Archive for the ‘Birds of Sri Lanka & the Western Ghats’ Category
Slaty-Breasted Rail at Thalangama Wetlands
Slaty Headed Crake (Lewinia striata) at Thalangama Wetlands.
Spring wraps up the season of migration in Sri Lanka; visiting birds that have wintered on the island get ready to fly back north after their sojourn on the isle of paradise. In the early months of 2024, I spent several weekends and poya mornings staking out nearby wetlands looking for some of the more unusual visitors. On March 10th several of us were treated to a lengthy encounter with a Slaty-breasted Rail (Lewinia striata) at Talangama wetlands (this species may in fact be a resident whose population is boosted by migration but it isn’t fully clear). The same individual had been observed and photographed at the south end of the Thalangama wetlands for several consecutive days and it reminded me of the Ruddy-breasted Crake (Porzana fusca) that was the object of much curiosity in the ornithological community. I wrote a blog post about that encounter back in 2018 (in fact, I shared my first pictures of a Slaty-breasted Rail, observed with Will Duncan, in that post).
There has always been a strong birding community in Sri Lanka with the Field Ornithology Group of Sri Lanka (FOGSL) and the Ceylon Bird Club being key promoters. With the advent of digital cameras, there are now large numbers of photographers who are on the lookout for rare species and interesting compositions. This has been a revolutionary change and digital photography has gotten large numbers of people interested in birds and with that, their conservation. The birding community that shows up at Thalangama on weekends represents a diverse range of Sri Lanka. I enjoy the friendly, supportive fellow photographers. People share stories and sightings and there is a general sense of goodwill. My close buddies are Priyanath Kotalawela, Nirosha Bopitiya and Rumeeth J and we coordinate many of our weekend outings. Our friend Malaka Fonseka, lives by the lake and is out with his camera on most weekdays. Ashok Amarasena also lives by the lake has some of the finest photographs of rare species. Their sightings spread ripples of interest in the community and most photographers visit on the weekends. The Birds of Thalangama Tank Facebook page, moderated by Sharmela De Silva and her son Shahan, is a great resource to find about sightings at the wetlands. The area, of course, benefits from the love and energy of Pay Drechsel and his Thalangama Wetland Watch.
Collage of the rock star Slaty Headed Crake (Lewinia striata) at Thalangama Wetlands.
Slaty Headed Crake (Lewinia striata) with a millipede catch at Thalangama Wetlands.
I visited Thalangama multiple times looking for bitterns and especially the elusive Black Bittern (Ixobrychus flavicollis) in the last four months. Most of the other photographers managed to get nice pictures this season but so far I have not had much luck and may have to wait for the 2024-25 season. It was my search for bitterns that brought me back to Thalangama on March 10th when the Slaty-breasted Rail decided to put on a show for us. My sense of what was shared is that all of us were able to get rather remarkable and certainly personally rewarding pictures from that morning!
REFERENCES
E-Bird. “Slaty-breasted Rail (Lewinia striata).” Web.
IWMI. “World Wetlands Day.” Web.
Kotagama, Sarath and Gamini Ratnavira. Birds of Sri Lanka: An Illustrated Guide. Colombo: Field Ornithology Group of Sri Lanka, 2017. Print.
Lockwood, Ian. “Rock Star Crake at Diyasaru.” Ian Lockwood Blog. 2017. Web.
Lockwood, Ian. “Teaching & Learning in Colombo’s Suburban Wetlands.” Ian Lockwood Blog. October 2016. Web.
Rasmussen, Pamela C. and John Anderson. Birds of South Asia: The Ripley Guide. Volumes 1 &2, Second Edition. Washington DC: Smithsonian, 2012. Print.
Ryder, Craig. “The Growing Importance of Colombo’s Shrinking Wetlands.” Roar. 2 February 2018. Web.
Warakagoda. Deepal et. al. Birds of Sri Lanka (Helm Field Guides). London: Helms Guides, 2012. Print.
Citizen Science Beginnings in a Sinharaja Restoration Plot
OSC students working under the guidance of Professor Nimal Gunatilleke, Dr. Suranjan Fernando and their teachers collect data on restoration and forest dynamics in a restored stretch of Sinharaja’s boundary forest planted with the non-native Pinus caribaea timber trees.
Sri Lanka’s ethereal Sinharaja rain forest, now more broadly understood as the Sinharaja Adiviya, has been a vital South Asian conservation success story, a magnet for ecotourists and a key location for the study of tropical rainforest dynamics. In recent years efforts to restore boundary areas that were earlier converted to non-native plantations have produced remarkable success. Last December I worked with Professor Nimal Gunatilleke and Dr. Suranjan Fernando to organize an effort to conduct citizen science with students from the Overseas School of Colombo. Our goal was to participate in the monitoring of the forest dynamics in restoration plots near the Kudawa entrance. The effort, although modest in scope, was designed to germinate and trial methods that could then be replicated by other groups of school students and interested citizens in the Sinharaja Adiviya.
Screenshot of the iNaturalist Sinharaja Biodiversity Observatory set up by the author for visiting student groups.
Sinharaja Adiviya boundary as seen in the Sinharaja Biodiversity Observatory page of the iNaturalist app.
Citizen Science in the International Baccalaureate Context
The Group IV project is an interdisciplinary project-based learning exercise that is a requirement for all Diploma (DP) science students to complete. Schools develop Group IV programs that allow candidates from the traditional science classes (Biology, Chemistry & Physics) to collaborate across disciplines to address a broad thematic question. At OSC, the interdisciplinary Environmental Systems and Societies (ES&S) class participates in this process (though it has not been a requirement). When the topic involves ecology and field work, ES&S students are expected to play a lead role. In past years OSC Group IV projects have focused on themes of tea, energy generation, urban wetlands and the OSC campus as a system. Group IV work is not formally assessed but students are required to participate and demonstrate collaboration that is evidenced in a final reflection. Thus, the focus is very much on the process rather than the product.
In the 2023-24 school year, the science department made several changes to how we conduct the Group IV project. We moved it into the traditional DP1 science field trip slot rather than have it at the end of the academic year. Secondly, we made a conscious move to design a program around Citizen Science in a way that the students would contribute to something more than an IB Diploma requirement. By good fortune, I was in touch with Professor Nimal Gunatilleke at the beginning of the school year and he was interested in getting students into the Sinharaja restoration plots to help monitor the forest dynamics and how contrasting areas were recovering. The proposed idea had a clear ecological focus but my colleagues in the department liked the idea of us all working to collect and contribute data to the effort.
SETTING THE SINHARAJA RESTORATION CONTEXT
The restoration plots that our group worked in are part of an important experiment in ecological restoration in “ever-wet” Mixed Dipterocarp Forest (MDF) that Professor Nimal Gunatilleke has been the key leader of. The plots are set in plantations of non-native Pinus caribaea that were planted on Sinharaja’s’ boundary 3-4 decades ago. Today there are still vast areas of non-native timber plantations that are awaiting restoration and the Sinharaja study was designed to test and model appropriate restoration methods. Around two decades ago key manager realized that the plantations were not producing the results originally envisioned and they (at least, initially) did not do much to support the area’s rich biodiversity. The restoration project involved thinning (rather than clear-cutting) plantations in strips and then planting key rainforest species that were appropriate from an ecological succession point-of-view. Experiments were conducted in different widths of strips (1-3 rows of pines removed) and manipulation (either no manipulation or some amount of it). Pioneer, rather than climax, species were initially planted as they would be more tolerant of the abiotic conditions in the cut strips (more light, less humidity etc.). These included “site generalist” and “restricted native” and “naturalized species of utility value.” The Pinus plantations are located in Sinharaja’s buffer zone where controlled extraction and harvests are permitted. The plants with economic value were specially designed to help get buy-in from neighboring residents.
The detailed story of the Sinharaja restoration plots has been recently published in a chapter of the book Ecological Restoration: Moving Forward Using Lessons Learned. See “Ecological Approaches to Forest Restoration: Lessons Learned from Tropical Wet Asia.” I created the maps for the Western Ghats and Sri Lankan case studies in this book but they are rather small in the final draft. I also highlight the key lessons in my October 2023 restoration article for Sanctuary Asia.
Sinharaja Adiviya restoration site map from the book Ecological Restoration: Moving Forward Using Lessons Learned (2023).
Professor Nimal Gunatilleke orients OSC students and teachers to the Sinharaja area and restoration site on the north-western Kudawa boundary.
GROUP IV FIELDWORK
We had a relatively large group including 35 DP1 students and five faculty members. Because of our size, we were spread between two different guest houses (Martin’s & the Blue Magpie Lodge). We spent our first afternoon getting oriented and doing a trial plot in the secondary forest near the REEC Center above Martin’s. Professor Gunatilleke and Dr. Suranjan led this and it was good to see the kids getting the hang of the steps despite some hungry leeches. The method of examining trees with a GBH of <1cm and between 1 and 5 cm GBH was challenging for our students to grasp but they put in a good effort. We had the Sinharaja guides working with each of our eight groups and they played a key role in identifying what was being recorded. The data was recorded on paper and also on the Survey 123 app that I had set up in Colombo based on the parameters established by our mentors.
A simplified flow diagram showing some of the key steps of the 2023 Group IV project in Sinharaja.
On our full day of data collection, we gathered the team at Martin’s and then hiked down to the restoration site. I’ve been walking by this site for many years and have been amazed and how it has changed such that it looks more like a rainforest than a plantation now (see attached historic pictures from earlier OSC studies). Nimal did a site briefing and then he and Suranjan assigned the groups to plots on the slop below the track leading to Martin’s from Kudawa village. Faculty members spread out with the groups, and we also got to work. Mechum Purnell, our secondary principal, moved between groups providing the lux readings using a Vernier probe. Science HOD, Robert LeBlanc ensured that the Chemistry aspects were being conducted properly (we measured nitrates and pH). Mohamed Haji, our new biology, teacher and I monitored several groups. Melinda Tondeur was on the road organizing a surprise birthday cake as a break after the second round of data had been collected. Tyler Echols ran back and forth to Martin’s to make sure that we had everything that was needed for the study. Each plot took about 30 minutes to study and the groups got better as they gathered more data. Unfortunately, we had to cut our day of fieldwork short when the skies opened up and it got wetter than our students were prepared for.
Notable plant species (and bracket fungi) from our time in Sinharaja.
Measuring canopy cover was an important part of the restoration study. We used the Canopeo app to get a quantitative assessment of the percentage cover of our plots. This image is taken on the old logging road leading to the research center.
WRAPPING UP
The rest of our time in Sinharaja was spent in class groups. The ES&S class spent quality time with Nimal and Savitri and got a personalized lecture on the story of Sinharaja and the efforts to restore the rainforest after the logging destruction of the 19760s and 70s. As per tradition, I planned a visit to Moulawella on our last morning. This short but physically challenging hike rewards you with a broad view over Sinharaja and the Kudawa area. I think that it is important for students to see the view, take in the grandeur and appreciate the work of past generations who worked so hard to protect this vital rainforest from destruction in the name of economic development.
Professor Gunatilleke gave a rich, illustrated presentation for the DP ES&S students and teachers in which he discussed Sinharaja’s history, its struggle for protection and subsequent years of being a site of key ecological studies.
The data that we gathered is satisfactory but it is clear that we need to do more training and preparation before the next field study. Using Survey 123 worked really well and we have all the raw data on an online database that can be shared. Working with the Sinharaja guides to identify the plants was crucial. Most students are not botanically inclined and switching gears to think about leaves, stems, GBH and plant diversity is challenging for them. Most of our students did not let that hold them back and willingly learned from our mentors and the Sinharaja guides. The ESS& students made a good attempt to record the biodiversity they saw and load it up onto iNaturalist (you can see their submissions under the Sinharaja Biodiversity Observatory). We are now looking forward to coming back later this year to continue the restoration studies in Sinharaja with the next cohort of OSC science students.
REFERENCES
Ashton, Mark et al. “Restoration pathways for rain forest in southwest Sri Lanka: A review of concepts and models.” Forest Ecology and Management 154(3):409-430. December 2001. Web.
Ashton, Mark et al. “Restoration of rain forest beneath pine plantations: A relay floristic model with special application to tropical South Asia.” Forest Ecology and Management 329:351–359. October 2014. Web.
Ashton, Peter and David Lee. Trees & Forest of Tropical Asia: Exploring Tapovan. Chicago: Chicago University Press, 2022. Print.
Ecosystem Conservation and Management Project ESCAMP. Sinharaja Forest Range Landscape Management Plan 2022. Colombo: Sri Lanka Forest Department, 2022. Print.
Florentine, Singarayer et al Ed. Ecological Restoration: Moving Forward Using Lessons Learned. Springer, 2023. Print & Web. See “Ecological Approaches to Forest Restoration: Lessons Learned from Tropical Wet Asia” for the article edited by Nimal Gunatilleke. It includes key case studies from Sinharaja, the Knuckles and the Anamalais.
Gunatilleke, C.V.S, et al. Ecology of Sinharaja Rain Forest and the Forest Dynamics Plot in Sri Lanka’s Natural World Heritage Site. Colombo: WHT Publications, 2004. Print.
Gunatilleke, C.V.S. WNPS Monthly Lecture: Saving Sinharaja. 11 December 2022. YouTube Video.
Harlin, John et al. “Turning students into citizen scientists.” Citizen Science. October 2018. Print & Web via ResearchGate.
Lockwood, Ian. “Preliminary Analysis of Land Cover in the Sinharaja Adiviya using Planet Dove Imagery.” Ian Lockwood Blog. September 2019. Web.
Lockwood, Ian. “Rewilding What Has Always Been Wild: Sri Lankan Restoration Stories” Sanctuary Asia. October 2024. Web.
Pethiyagoda, Rohan and Hiranya Sudhasinghe. The ecology and biogeography of Sri Lanka: a context for freshwater fishes. WHT Publications, 2021. Print & Web.
“Restoring a rainforest: The WNPS effort with Diyakothakanda.” Sunday Times. 2 June 2021. Web.
“Report on visit to Diyakothakanda Forest Restoration Site on 16 April 2018.” WNPS Roar: Ecological Restoration.” 2018. Web.
Sinharaja Biodiversity Observatory. iNaturalist Project. Web.
From Reef to Rainforest Part 2 (Sinharaja)
OSC’s annual Geography IA field study combines face-to-face interviews in the Kudawa area with biodiversity encounters in and around Sinharaja’s rainforest. Students worked in small teams to interview a broad range of respondents and learn about their home gardens, and lives in a challenging economic situation. The emblematic Sri Lanka Blue Magie (Urocissa ornata) is a species that we saw at our guest house (Martin’s Jungle Lodge) and heard on the edges of the forest boundary during the course of the fieldwork.
Within a week of returning from the Maldives (see previous post) I was in the field again-this time in the northwestern edges of Sri Lanka’s Sinharaja rainforest. This was the 19th OSC group that I have brought here (not including DofE teams). Villagers and Forest Department officials protecting the World Heritage Site are familiar with OSC groups and our studies are based on these relationships. Four of the students who had been on the Maldives field study were also in the Geography class, so the five of us were really immersed in field-based experiential education in May! Our goal was to conduct a household survey that would help students write individual internal assessment reports. This year’s cohort included six students with the support of three adults. Desline Attanayake was back again providing key logistical support and helping the students to make bridges with the community. Our friend Sushma Sen, a former KIS & Woodstock teacher who has been working in the OSC math department for the last two years, joined us. This year’s field study was characterized by solid data collection (we ended up with 58 complete surveys), relatively good weather (with almost no rain during the days) and rich encounters with a variety of people and rainforest creatures.
Portraits from Kudawa (clockwise from upper left): Desline and Mali on the trail to the Sinharaja research center, the artist Iresha and her husband at Kudawa bridge, guide Ranjit sporting a new Sinahraja t-shirt, Sushma going to see Sri Lanka frogmouths, the author and the six Class of 2024 students, Inoka the granddaughter-in-law of Martin Wijesinghe, Indramanaya cooking up (exceedingly delicious) pol-rotis on a granite slab, owner at the spurfowl home at Katala Patala. Bottom: A classic home garden scene with a traditional adobe house (the owners have moved into a cement block home while keeping the older structure intact).
Setting the Course
I usually try to visit Sinharaja and stay at Martin’s once or twice in the months preceding our Geography field study. This year I went in February and was accompanied by several friends including Nirosha, Rumeth & Priyanath. This spring trip was more personal and allowed me to focus on getting pictures of birds, amphibians and other species. It is also a time when migrants are sound and there is potential to see and photograph rarities. Many of the species from this post were photographed on that visit. It was surprisingly wetter in February than May-the complete opposite of what you would normally expect.
Sinharaja amphibians and butterflies (taken in February). From top: Long-snouted tree frog (Taruga longinasus), Purple Mormon (Papilio polymnestor), Ceylon tree nymph (Idea iasonia) Hallow snouted shrub frog (Pseudophilautus cavirostris)
Common Survey Analysis & Findings (thus far)
My approach to gathering sufficient quantitative data for the Geography IA continues to involve using a common survey with a variety of questions that help each student answer their own fieldwork (research) question. We now have a pool of standard questions that stay the same every year -this allows longitudinal analysis. Students then add their own questions focusing on themes of energy, overall wealth, education, health and resources. There were significant findings from the 2023 survey. Firstly, students gained an appreciation for the hard work and challenges of running a home garden in Sri Lanka. Secondly, we saw that there had been a spike in electricity costs mirroring national trends. Tourism to Sinharaja is still recovering and visitor numbers are not yet back to pre-pandemic levels. Further analysis is underway as the students crunch the numbers over the summer. They will hand in rough drafts that I give feedback on before the final IA is submitted in October.
Examples of the home gardens near Kudawa. Virtually every plant in the garden serves some useful purpose that helps farmers be close to self-sufficiency in terms of food needs.
Home gardens are small private holdings where families practice a combination of subsistence and (small-scale) commercial agriculture. The home of Kudawa almost all depend on tea, grown on relatively small plots (1 -2 acres). Families are versatile and creative with other crops that they grow (manioc, banana, cinnamon, papaya, coconut etc.). Self-sufficiency in a time of economic challenge is a benefit but home gardens struggle to stay out of poverty. The 2019 import ban on key inputs (fertilizers and pesticides) greatly affected yields- something that our results showed. Several families now have one or two members that work as Forest Department employees or as private guides. This collage shows a work shed of a home garden near Katala Patala.
VIDEO INTERVIEWS
Map from ESRi’s Survey 123 showing responses from the IA survey on electricity usage in 2023.
MAP OF 2023 WALKS
https://www.google.com/maps/d/u/0/edit?mid=1Lu6WJfXJlcK8_gNKtjcFds06YvhLYNg&usp=sharing
2023 OSC Geography class with their teachers, Chandralatha, her sister & Chamara the guide at Martin’s Lodge.
PAST BLOG POSTS ON SINHARAJA IA
Geography IA Trip 2021 (Cancelled because of COVID)
SELECTED REFERENCES
De Silva, Anslem and Kanishka Ukuwela & Dilan Chathuranga. A Photographic Guide to the Amphibians of Sri Lanka. Oxford: John Beaufoy Publishing, 2021. Print.
DeZoysa, Neela and Rhyana Raheem. Sinharaja: A Rainforest in Sri Lanka. Colombo: March for Conservation, 1990. Print.
Geiger, Klaus. “Characterizing the traditional tree-garden systems of southwest Sri Lanka.” Tropical Resources (Yale School of the Environment Tropical Resources Institue). 2014. Web.
Gunatilleke, C.V.S, et al. Ecology of Sinharaja Rain Forest and the Forest Dynamics Plot in Sri Lanka’s Natural World Heritage Site. Colombo: WHT Publications, 2004. Print.
Humke, Matthew. Tourism Assessment Report: Sinharaja Forest Reserve Complex. Colombo: Ecosystem Conservation and Management Project (ESCAMP).July 2018. Web. Kotagama, Sarath W and Eben Goodale. “The composition and spatial organization of mixed-species flocks in a Sri Lankan rainforest.” Forktail. 2004. Print & Web.
Liyanage, L. P. K. et al. “Assessment of Tourist and Community Perception with Regard to Tourism Sustainability Indicators: A Case Study of Sinharaja World Heritage Rainforest, Sri Lanka.” World Academy of Science, Engineering and Technology International Journal of Social and Business Sciences. Vol 12 No. 7. 2018. Web.
Lockwood, Ian. “Into the Wet: Field Notes From Sri Lanka’s Wet Zone.” Sanctuary Asia. August/September 2007. 3-11. Print. PDF.
Lockwood, Ian. “Montane Biodiversity in the Land of Serendipity.” Sanctuary Asia. July 2010. Print.
Lockwood, Ian. “Sinharaja: The Heart of South Asian Biodiversity.” Sanctuary Asia. April 2020. PDF
Singhalage Darshani, Nadeera Weerasinghe and Gehan de Silva Wijeratne. A Naturalist’s Guide to the Flowers of Sri Lanka. Colombo: Vijitha Yapa Publications, 2018. Print.
Sinharaja Forest Reserve: 2020 Conservation Outlook Assessment. IUCN. Web.
Sri Lanka Survey Department. Sheets 80_x & 81_x (1:10,000) 2nd Edition. Colombo: 2017. Maps & Spatial Data.
Warakagoda. Deepal et. al. Birds of Sri Lanka (Helm Field Guides). London: Helms Guides, 2012. Print.
Wijeyeratne, Gehan de Silva. Sri Lankan Wildlife (Bradt Guides). Bucks, England: Bradt Travel Ltd. 2007. Print.
Vigallon, S. The Sinharaja Guidebook for Eco-Tourists. Colombo: Stamford Lake Publications, 2007. Print.
Sri Lankan Rainforest Forays in the Time of the Pandemic
Collage of Sri Lankan (mostly) endemic birds seen in eastern and western Sinharaja. Clockwise from left: Layard’s Parakeet (Psittacula calthrapae), Sri Lanka Spurfowl (Galloperdix bicalcarata), Sri Lanka Frogmouth (Batrachostomus moniliger) and Sri Lanka Blue magpie (Urocissa ornata). The Frogmouth, of course, is also found in the Western Ghats of southern India.
Aside from the IA field study last September (described in the previous post) I have had the opportunity to take several other short visits to Sinharaja. Two of these were to the Kudawa side and the third was a visit to the Rainforest Ecolodge in south-eastern Sinharaja. These trips were mainly designed for my mind and spirit to get a break from city life. One was a solo trip while two involved time with Lenny and our friends Nirosha and Rashmi Bopitiya. Of course, there were opportunities to look for and photograph birds, amphibians, reptiles and plants in the rainforest landscape.
Eastern Sinharaja sub-montane forest with flowering canopy.
South-Eastern Sinharaja
The south-eastern side of Sinharaja is far less visited and in my personal case it had been several years since I has last been (see WWW blog post from 2012 and 2013). Lenny and I took a father and son trip at the beginning of our winter holidays. The drive is longer than the Kudawa entrance (about four vs 2 hours) but the site and situation of the Rainforest Ecolodge makes it worthwhile. We had three nights at a time when visitation was relatively low and there were reasonable deals to make it an attractive place to stay. We did a few short hikes abut mostly enjoyed simply walking on the access roads through healthy montane rainforest. I am drawn to the exquisite sub montane forest in this area and there are numerous places to get canopy level perspectives. During our stay several key trees including Shorea trapezifolia were in flower. We had several good walks with the Rainforest Ecolodge naturalist who helped in the discovery of several key frog species seen in this post. Otherwise Lenny and I wandered on the access roads where we encountered several mixed-species flocks. The same flocks flew right through the hotel area and one didn’t have to go too far to see many of Sri Lanka’s spectacular endemic birds.
Scenes from the Rainforest Ecolodge in south-eastern Sinharaja. Set on the edge of a tea garden at 1000 meters, the hotel utilizes recycled containers and minimalist steel structures to give visitors a unique and intimate sense of the sub-montane rainforest.
Selected frogs from Sinharaja (From top): Reticulate Tree Frog (Pseudophilautus reticulatus) and the Cheeky shrub frog (Pseudophilautus procax) from the Rainforest ecolodge area. Common Hourglass Tree-frogs (Polypedates cruciger) laying eggs near Kudawa. Sri Lanka rock frog (Nannophrys ceylonensis) at a stream near the Rainforest Ecolodge. Help with identification and lighting thanks to Vasanth at the Rainforest Ecolodge. Dulan Ranga Vidanapathirana helped confirm species for me and I have loaded these up on iNaturalist.
Clockwise from left: Sri Lankan Giant Squirrel (Ratufa macroura) in south-eastern Sinharaja, Purple-faced langur (Semnopithecus vetulus) also near the rainforest ecolodge. Strobilanthes lupulina on the road east of Kudawa village.
Slaty-legged Crake (Rallina eurizonoides), a rare winter migrant visitor. This one was hanging around the kitchen drain at Martin’s Forest Lodge. This was my first sighting in Sinharaja, but apparently they are seen in many of home gardens during the winter season.
North-Western Sinharaja
The Kudawa entrance has been, of course, much quieter because of the COVID situation. On two trips there in December and March I focused on looking for birds and reptiles. On my solo trip in late December I walked with my assigned guide, Ratna and explored out to the research station and then up to Moulawella peak. The hikes were good but my best sightings came from Martin’s where I spotted several rarities while having tea and appreciating the space and solitude. A rather shy Slaty-legged Crake (Rallina eurizonoides) stepped out in the afternoon to look for something to eat in the drain outlet. My camera was set up and ready to go such that I got a few brief shots without my tea getting cold. Another highlight was spending time at Ratnasiri’s hide. This neighbor of Martin is building a small cottage on the road above Kudawa and has set up a simple hide where visitors can observe Sri Lanka Spurfowl and other difficult to see endemics. I had an early morning spurfowl encounter that produced dark photos and an exhilarating sound recording (click below).
Village & forest scenes on the edge of Sinharaja (from upper left): Pepper (Piper nigrum) from a home garden drying, a gourd for tapping Kithul, Raja (Anoectochilus regalis) orchid, road passing through Morapitiya, vine (Coscinium fenestratum) and leeches on my sock.
Collage of Sri Lankan endemic birds seen in eastern and western Sinharaja on the three visits. Red faced Malkoha (Phaenicophaeus pyrrhocephalus), Serendib Scops Owl (Otus thilohoffmanni), Green-billed coucal (Centropus chlororhynchos), Sri Lanka Scimitar Babbler (Pomatorhinus melanurus), Sri Lanka Gray hornbill (Ocyceros gingalensis) and Sri Lanka Green Pigeon (Treron pompadora).
In March Lenny and I came back to Kudawa and Martin’s with our friend Nirosha and her daughter Rashmi (from OSC’s Class of 2021). We enjoyed a morning of birding with Thilak, the superb independent guide who has established himself as one of the most knowledgeable birders in the area. Sure enough, we had fine sightings of a nesting SL Gray hornbill (Ocyceros gingalensis) and Chestnut-backed Owlet (Glaucidium castanotum) and mixed-species flock. On our return Thilak found a roosting Serendib Scops Owl (Otus thilohoffmanni) which we quietly observed and then photographed. Once again it was found in mixed Pinus caribaea and secondary forest. I find it intriguing that this rare bird species, so new to science, is found in a habitat that has been a monoculture plantation and is now recovering on its way back to being healthy rainforest. This observations seems to support the idea that Pinus caribaea are good intermediate species to establish rainforest in retorsion efforts (see Ashton et al).
Otus thilohoffmanni strip with a 600mm lens in RAW.
Final choice of the 200-500mm lens series Serendib Scops Owl (Otus thilohoffmanni)
A male Lyre-head (or Hump-nosed) Lizard (Lyriocephalus scutatus) in Sinharaja rainforest. This large species is surely one of the most resplendent of Sri Lanka’s many endemic lizards. It is also completely unique (it has its own genus) and there is nothing else in South Asia that looks like it. I’m always on the look out for them when in the rainforest and it has been nearly 10 years since I last saw a male (on the epic Kudawa-Sinhagala-Deniyaya trek in 2012 see https://ianlockwood.wordpress.com/…/a-path-less…/ ).
This individual was found by the sharp-eyed genius guide Thilak Ellawelage at the end of a day with many great bird sightings. He spotted it in the forest above Martin’s and I was able to photograph it both that afternoon and then next morning. Help with holding the strobes was provided by Nirosha Bopitiya (afternoon) and Ranjith (morning), the FD guide working with us. This is a morning shot taken with a 105 mm lens and two Godox strobes (one in a cumbersome but quite effective studio diffuser).
For the last several trips I have been on the lookout for the endemic Hump(or Lyre) Nosed Lizard (Lyriocephalus scutatus). I have had good sightings in past years but I’m working on better lighting with multiple flash units and a diffuser. Thilak spotted a mature male near to Martin’s and alerted us to it as he was on his way down in the evening. With the help of Nirosha I was able to get a few images that evening and then I came back and found it on my won the next day for another session. Earlier in the year I had bought a Beetle Diffuser from Varun GB in India and this was my first attempt at putting into action in the field. The results are good but later experiments showed that I need to have the flash unit closer to the subject.
Sri Lanka Spurfowl (Galloperdix bicalcarata) at Ratnasiri’s hide. For many years this has been one of the most difficult endemic birds to photographs. That all changed when guides realized that spurfowl were regular visitors to home gardens drains on the edge of the forest.
On our final morning we walked down to Ratnasiri’s to look for the spurfowl. There was another group of Sri Lankan photographers led by Chintika De Silva so we gave them a chance and then spent time in the hide later. While we were waiting Rashmi spotted two large frogs climbing up a tree. These turned out to be part of a group of Common Hourglass Tree-frogs (Polypedates cruciger). Although its name suggests that it easy to see (its conservation status is “least concern”) we enjoyed a really unique gathering. A total of six individuals put on a show of courtship and then mating in broad daylight. The smaller males, clinging to the back of the females whipped up and fertilized the eggs being laid over a small spring. That evening, fulfilled by our many sightings and interactions with the people of Kudawa, we returned to Colombo. On our drive out we passed under dark cumulonimbus clouds and, soon enough, a torrential downpour brought relief to the hills. It was the kind of heavy rains that kicks off the life cycle for the tree-frogs we had been observing that morning.
Selected heat maps from three different visit to Sinharaja (two in December 2020 and the final trip in March 2021)
Snapshots from the March 2021 visit to Sinharaja. From Left: Rashmi, Martin, Chandralatha, Nirosha, Lenny & Ian at the forest lodge. Martin on his verandah. Lenny, Ratnasiri and Rashmi at his new cottage.
SELECTED REFERENCES
Ashton, P.M.S and S. Gamage, I. A. U. N. Gunatilleke and C. V. S. Gunatilleke. “Restoration of a Sri Lankan Rainforest: Using Caribbean Pine Pinus caribaea as a Nurse for Establishing Late-Successional Tree Species.” Journal of Applied Ecology. 1997, 34 . Web via JSTOR.
De Silva, Anslem. Amphibians of Sri Lanka: A Photographic Guide to Common Frogs, Toad Caecilians. Published by author, 2009. Print.
De Silva, Anslem and Kanishka Ukuwela. A Naturalist’s Guide to the Reptiles of Sri Lanka. Colombo: Vijitha Yapa Publishing, 2017. Print.
DeZoysa, Neela and Rhyana Raheem. Sinharaja: A Rainforest in Sri Lanka. Colombo: March for Conservation, 1990. Print.
Gunatilleke, C.V.S, et al. Ecology of Sinharaja Rain Forest and the Forest Dynamics Plot in Sri Lanka’s Natural World Heritage Site. Colombo: WHT Publications, 2004. Print.
Harrison, John. A Field Guide to the Birds of Sri Lanka. UK: Oxford University Press, 1999. Print.
Kotagama, Sarath W and Eben Goodale. “The composition and spatial organization of mixed-species flocks in a Sri Lankan rainforest.” Forktail. 2004. Print & Web.
Liyanage, L. P. K. et al. “Assessment of Tourist and Community Perception with Regard to Tourism Sustainability Indicators: A Case Study of Sinharaja World Heritage Rainforest, Sri Lanka.” World Academy of Science, Engineering and Technology International Journal of Social and Business Sciences. Vol 12 No. 7. 2018. Web.
Lockwood, Ian. “Into the Wet: Field Notes From Sri Lanka’s Wet Zone.” Sanctuary Asia. August/September 2007. 3-11. Print. PDF.
Lockwood, Ian. “Montane Biodiversity in the Land of Serendipity.” Sanctuary Asia. July 2010. Print.
Lockwood, Ian. “Preliminary Analysis of Land Cover in the Sinharaja Adiviya using Planet Dove Imagery.” Ian Lockwood Blog. September 2019. Web.
Singhalage Darshani, Nadeera Weerasinghe and Gehan de Silva Wijeratne. A Naturalist’s Guide to the Flowers of Sri Lanka. Colombo: Vijitha Yapa Publications, 2018. Print.
Sri Lanka Survey Department. Sheets 80_x & 81_x (1:10,000) 2nd Edition. Colombo: 2017. Maps & Spatial Data.
Warakagoda, Deepal et. al. Birds of Sri Lanka (Helm Field Guides). London: Helms Guides, 2012. Print.
Wikramanayake, Eric. “Sri Lankan Moist Forests Ecoregion: An Imperiled Island Rainforest.” The Encyclopedia of Conservation. 2020. Web.
Wijeyeratne, Gehan de Silva. Sri Lankan Wildlife (Bradt Guides). Bucks, England: Bradt Travel Ltd. 2007. Print.
Vigallon, S. The Sinharaja Guidebook for Eco-Tourists. Colombo: Stamford Lake Publications, 2007. Print.
Palani Hills Sky Islands
A collage of Sky Island species and landscapes from the upper Palani Hills of Tamil Nadu.
Every so often new terminology is coined to propel and lift our understanding of concepts that we had previously observed but not fully understood. In the broad field of environmentalism the notion of “sustainability” is an example first articulated in the 1972 book Blueprint for Survival (Kidd). The concept changed how the public viewed large processes like economic development and the human relationship with the biosphere. “Biological diversity” coined by Thomas Lovejoy in 1980 and the notion of the “biodiversity hotspot” proposed by Norman Myers in 1988 radically changed the way conservation efforts approached notions of “wildlife” and “wilderness” (WWF, Myers). The idea of the “sky island” is one such term that is helping us to rethink the uniqueness of the tropical montane ecosystems. In India’s southern Western Ghats, Sky Islands are now recognized as places unique on a global scale while at the same time being under enormous anthropogenic pressure.
SKY ISLANDS GLOBAL & LOCAL
The term “sky Island” was first used in 1940s in the south western United States to describe the Madrean range of mountains (Dodge). Sky Islands are defined as “isolated mountains surrounded by radically different lowland environments” (US Forest Service). The term is widely used for ranges in Central America, Eastern Africa and South East Asia, to name a few examples. People familiar with India’s hill stations will quickly understand the utility of the idea of sky islands. For places like the Palani Hills with summits and plateaus, lofty and cool, so far removed from the sweltering plains below the term “sky islands” is most fitting.
I was first introduced to the idea of sky islands by the evolutionary biologist V.V. Robin. In 2006 we bumped into each other in Cairn Hill Shola in the Nilgiri Hills looking for endemic shola birds. More than any other individual, Robin has worked to identify the upper reaches of the Western Ghats biodiversity hotspot as sky islands. His research has focused on the evolution of bird species specific to the sky islands of the southern Western Ghats. Now as an assistant professor at IISER Tirupati, Robin has nurtured an expanding group of young researchers to examine and broaden our understanding of the ecology of Sky Islands (see his website Shola Sky Islands). Kodaikanal International School has developed an important link with the IISER teams and has supported their work by providing accommodation and a study site on the edge of Bombay Shola.
Prasenjeet Yadav in his work with Robin on a National Geographic explorer’s grant incorporated themes of sky islands into his August 2017 National Geographic article and photo essay. Prasen is a talented, hardworking, rock star photographer who deeply understands the science of his subjects. We’ve had the joy of taking several hikes and small expeditions together where I was able to show him some of my favorite places in the Palanis. In the article, the author Shaena Montanari highlights the role of sky islands in the distribution and evolution of species in the southern Western Ghats. This is almost entirely based on the fieldwork of Robin, his students and colleagues at IISER.
The idea of the sky islands seems to say so much about the uniqueness of Kodai and the Palani Hills- a story that for a long time has been difficult to tell. Those of us who have lived and walked in the upper reaches of the Palani Hills know that there is a very special nature to the landscape and life of the hills. It is a realization tinged with grief and foreboding as the very landscape has dramatically changed in our short lifetimes. Areas that were once a mosaic of grasslands and shola pockets have been replaced by a carpet of dense wood from other continents. Urban (built-up) and agricultural areas have also expanded significantly in recent decades. The realization that satellite imagery could help us better tell the story of ecological change in the Palani Hills was first articulated in my 2014 blog post. The images showed that changes were not that old; in fact, they happened in our lifetimes as our subsequent study of land cover changes using satellite image published in the peer-reviewed journal PLOS One (2018) demonstrated.
The story of the ecological change in the Palani Hills is complicated and rather messy. During the last few decades citizens, scientists and the forest department have engaged in observations, field studies and vigorous discussions on these changes. In the 1980s and 90s the Palani Hills Conservation Council (PHCC) helped citizens develop an appreciation for the hydrology of the hills and the importance of sholas. The observation of the revival of shola species under non-native plantations by Bob Stewart and Tanya Balcar surprised many in academic and conservation circles. There are ongoing debates about the origins of large montane grasslands (are they human or natural in origin?). There are voices that support this idea while other scientists consider the shola/grassland mosaic to be the climax stage of a complicated process in the upper hills. The role of fire has been debated. It clearly has a damaging impact on the lower slopes but is it possible that fire had a role in maintaining montane grasslands? Some areas of Kerala still use fires as an effective management strategy to support healthy montane grasslands. The recovery of large herbivore populations-namely gaur (Bos gaurus)- in semi-urban areas near Kodaikanal has become a challenge that citizens and wildlife managers are perplexed by. To what extent the issue of climate change plays a role in the ecological changes in the Palanis has not yet been investigated. In summary, there are plenty of vexing issues to keep ecologists and other interested parties engaged in the Palani Hills sky islands for many years to come.
A mosaic of ridge lines (from multiple images and places) advertises Kodaikanal as an “island in the sky” at the Madurai airport.
A SKY ISLAND CENTER: KIS’s CENTER FOR ENVIRONMENT & HUMANITY
In the last three years, the idea of a learning center to explore the ecology of the Palani Hills has taken shape in KIS’s Center for Environment & Humanity. The idea of a learning center grew out of the school’s efforts to promote environmental and experiential education at a time of great in Kodaikanal and the Palani Hills. The growing human footprint in Kodai, the challenge of solid waste management and regular water scarcity issues have given energy to the need to direct teaching and learning to solving real-world problems. The goal has been to harness learning themes of ecology, place-based learning, sustainability and environmental awareness as a key part of the “Kodai experience.” The center also recognizes the importance of learning about and from the human communities that inhabit the Palani Hills. Thus, human ecology is an important theme alongside biodiversity and conservation.
The origins of the center date back to the tenure of principal Dr. Paul Wiebe (1987-2001). Initially, land was acquired near the remote village of Poondy to set up a program of environmental education. This has provided a wonderful retreat center for KIS students, staff and alumni but there was still a need to have a learning center closer to the school’s campus in Kodai itself. During these decades and in the wake of the 1992 Rio Earth summit there was a growing realization about the importance of environmental education. More specifically, environmental and experiential education, with a focus on addressing local challenges and solutions within a global framework, could potentially be the factor that distinguishes KIS from the other IB world schools that have sprouted across India. The school’s values-based approach and vision to be the “school that the world needs” provides a framework to put ecological teaching and learning at the heart of what KIS embodies in the coming century.
Two years ago the energy of alum Clarence Maloney, coupled with the vision of principal Corey Stixrud and the support of Kodai Friends International (KFI) helped kickstart what would be called the KIS Center for Environment & Humanity (CEH). During that time I was in and out of Kodai for visits and had a chance to see the site located at the former Swedish mission dormitory. In June 2018 Robin, his colleagues and I met with the school to promote the idea of university collaborations and the idea of the “Sky Island” for the nascent center. KIS’s Commander Ashwin Fernandes (Retd), the maintenance team and the housing office were in the process of refurbishing the site. By the time the KIS board met in September 2019 the Center for Humanity and Environment was ready for formal inauguration. The center is now staffed by Drs. Lekshmi Raveendran and R. Rajamanikam- a husband and wife team that brings energy, grassroot connections and dedication to their jobs. My personal hope is that the center will grow into a world-class institution that supports learning and conservation initiatives in the Palani Hills. There are still opportunities to focus the efforts of CEH on the idea, novelty and challenges of sky islands.
***
Lockwood, Ian. “Kodaikanal: Vanishing Heritage of an Island in the Sky.” Ian Lockwood Blog. May 2015. Web.
” “Metamorphosis of a Landscape.” Nature In Focus. 2017. (no longer visible, see this link)
” “A Song of the Sholicola.” Ian Lockwood Blog. April 2018. Web.
” “Landcover Changes in the Palani Hills-A Spatial Study.” Ian Lockwood Blog. May 2018. Web.
” “Aerial & Terrestrial Snapshots of the Southern Western Ghats.” Ian Lockwood Blog. March 2020. February 2019. Web.
” “Palani Hills Sky Island Landcover Changes at the ATBC Asia Pacific.” Ian Lockwood Blog. March 2020. Web.
REFERENCES
Arsumani, M. et al. “Not seeing the grass for the trees: Timber plantations and agriculture shrink tropical montane grassland by two-thirds over four decades in the Palani Hills, a Western Ghats Sky Island.” PLOS One. January 2018. Web.
Dodge, Natt. “Monument in the Mountain”. Arizona Highways. Phoenix, Arizona: Arizona Highway Department. March 1943. (Wikipedia Link)(Sky Islands Alliance link)
Kidd , Charles V. “The evolution of sustainability.” Journal of Agricultural and Environmental Ethics. March 1992. Web.
Montanari, Shaena (& Prasenjeet Yadav). “Breathtaking Sky Islands Showcase Evolution In Action.” National Geographic. 11 August 2017. Web.
Myers, Norman. “Threatened biotas: “hot spots” in tropical forests.” The Environmentalist. 1988. Web.
Myers, Norman et al. “Biodiversity Hotspots for Conservation Priorities.” Nature. February 200. Web.
WWF. Leadership: Thomas Lovejoy. ND. Web.
This post was edited and updated in September 2023
Colombo Curfew Birding in the time of COVID-19
Indian Robin (Copsychus fulicatus) at Eden Gardens boundary.
These have been strange days with a world turned upside down by an invisible yet society-altering virus. Here in Colombo, our city and suburban neighborhood has been locked down under a curfew since March 21st. At this stage these efforts seem to have contributed to the relatively slow spread of the disease in Sri Lanka, though it is still too early to be sure. Teaching and learning have not ceased for those of us in the Overseas School of Colombo (OSC) community but it has changed as the school abruptly transitioned into a Distance Learning Program (DLP). An important part of the new routine has been ensuring that we balance our screen time with regular exercise and time spent outdoors while maintaining social distancing norms. I didn’t need much of an excuse to get outside but I was pleasantly surprised with just how much wildlife our immediate neighborhood has to offer-something that the curfew and lockdown facilitated.
Since March I have been spending several hours every day walking with binoculars in large circles, cycling up and down the access road and lurking at a few lonely corners of our housing compound. These confined journeys have given me a chance to observe birds, a variety of animals, flowering trees, reptiles, the movement of clouds and more. It has been a remarkable time as the air has cleared up and human sounds that used to drown out the natural world have disappeared. After several rewarding avian sightings I started taking my camera and telephoto lens on these neighborhood strolls. At first, the modest but versatile 200-500 f/5.6 lens sufficed. However after some surprising sightings of skulking wetlands birds I changed into drab, earthy colors and brought out the 600 f/4 lens.
We live in a gated complex of 90 or so houses, each with modest gardens and ample tree cover (Cassia fistula, Mangifera indica, Mesua ferrea, Couroupita guianensis, Jacaranda mimosifolia, Elaeocarpus serratus, various palms etc.). On the north side an overgrown rubber estate grows up against the compound fence. To the west the property runs alongside a paddy area that is only partially cultivated. A significant part is not managed and this provides a habitat for some interesting wetland species.
A collage of trees, flowers & views in the Eden Gardens residential area.
Green Imperial Pigeons (Ducula aenea) a forest bird that is frequently seen in many leafy neighborhoods in Colombo.
The most common birds that we see include Yellow-billed babblers (Turdoides affinis), Magpie Robins (Copsychus saularis), Red-Vented Bulbuls (Pycnonotus cafer) Spotted doves (Spilopelia chinensis), Red Wattled Lapwings (Vanellus indicus) and Palm Swifts (Cypsiurus balasiensis). Even forest birds such as Green Imperial Pigeons (Ducula aenea) and Crested Serpent Eagles (Spilornis cheela) are seen on a daily basis.
My personal discoveries of rarer species came from the overgrown wetland areas that is outside of our compound. I can only view it from some distance through a fence so most of my pictures are not as clear and crisp as I would like. These observations picked up when I was out early participating in one of several bird races organized for OSC and FOGSL friends. On our first race I spotted a medium-sized brown, chicken-like specimen lurking at the edge of the wetland. Based on repeated observations and photographs this turned out to be one of two immature Watercocks (Gallicrex cinereal). These are shy and rarely seen wetland birds but I have been observing them in the same place on a daily basis during the curfew. A day or two after while finishing my morning exercise routine I saw a dark shape sitting on a tuft of grass above the wetland in the same area where the watercock had been. When I returned with binoculars the shadow was still there and turned out to be a Black Bittern (Ixobrychus flavicollis). This is, of course, one of the shyest wetland birds found in Colombo’s urban wetlands and it has been my quest to find and photograph it over the last several years (see my April 2019 blog post and National Geographic Traveller article). Prior to these encounters my most significant success with this search has been at Weli Park in Nugegoda where I photographed a Black Bittern in 2019. Earlier this year, before the COVID-19 crisis and curfew, I had experienced several productive visits to Weli park where I had photographed all three bitterns (the subject of a future post).
The bird races were a great way to focus our observations but they also contributed to broader understanding of bird population and migration patterns since we submitted lists to E-bird. Will Duncan (of OSC) got us started and there were parallel lists being conducted by Gary Allport (Birdlife International), Sampath Senveratne (Colombo University), Moditha Kodikara Arachchi, Luca Feuerriegel, Rashmi Bopitiya (both OSC students), Scott Hawkins (OSC faculty) and a few others. I completed a bird race list and then a general list over a longer time period. The Field Ornithology Group of Sri Lanka organized a Avurudu Bird Count (ABC2020) to celebrate the Sinhala/Tamil New Year bird race. They were able to garner 200+ birdwatchers across the island to contribute lists in the week around April 14th. All of us were in lockdown and facing similar movement restrictions. Malaka Rodrigo and Sampath Senevirathna have worked with other to process this data. All in all the experience of logging into E-bird on a regular basis during this restricted time has been very productive.
White-breasted Waterhen (Amaurornis phoenicurus)on our garden wall. These commonly seen water birds frequently move into habitats that are not wetlands including lawns, gardens and forest groves.
Black Bittern (Ixobrychus flavicollis) at the wetlands adjoining Eden Gardens. Photographed in the first two weeks of April.
Other highlights and rarities from the watching included a pair of Lesser Yellownapes (Picus chlorolophus) and two Golden-fronted Leafbirds (Chloropsis aurifrons). Just as the curfew was starting off I had photographed a rare Indian Golden Oriole (Oriolus kundoo). The final highlight of the migrant season at Eden Gardens was a single Cinnamon/Chestnut Bittern (Ixobrychus cinnamomeus) in the same wetland area at some distance. I have seen them both on occasion right up to the time of publication.
As I finish this post the sweep of COVID-19 continues to grow and our curfew has been extended into the month of May. Most of the migrant species have all flown north but there are still all kinds of winged creatures to observe and learn about during this uncertain time.
Lesser Yellownape (Picus chlorolophus) on a Cassia fistula tree at Eden Gardens. We don’t see these very often-this was my first sighting in three years of living here.
A rare Cinnamon/ Chestnut Bittern (Ixobrychus cinnamomeus) photographed through a wire fence on April 19th at the wetland area near to Eden Gardens.
References on my desktop.
REFERENCES
FOGSL Avurudu Bird Count Padlet 2020. Web.
Grimmett, Richard, Carol Inskipp and Tim Inskipp. Birds of the Indian Subcontinent, Second Edition. Oxford: Helm Field Guide/Oxford University Press, 2011. Print.
Kotagama, Sarath and Gamini Ratnavira. Birds of Sri Lanka: An Illustrated Guide. Colombo: Field Ornithology Group of Sri Lanka, 2017. Print.
Rasmussen, Pamela C. and John Anderson. Birds of South Asia: The Ripley Guide. Volumes 1 &2, Second Edition. Washington DC: Smithsonian, 2012. Print.
Rodrigo, Malaka. Garden Birdwatch 2020. Blog.Warakagoda. Deepal et. al. Birds of Sri Lanka (Helm Field Guides). London: Helms Guides, 2012. Print.
Warakagoda. Deepal et. al. Birds of Sri Lanka (Helm Field Guides). London: Helms Guides, 2012. Print.
Wijeyeratne, Gehan de Silva. A Photographic Guide to the Birds of Sri Lanka. Colombo: Vijitha Yapa Publications, 2017. Print.
Thattekad Winter 2019 Visit
A kaleidoscope of Thattekad’s birds from the December trip. Clockwise from upper left: Gray Jungle Fowl (Gallus sonneratii), Sri Lanka Frogmouth (Batrachostomus moniliger), Fairy Bluebird (Irena puella), Greater Racket-Tailed Drongo (Dicrurus paradiseus), White Bellied Blue Flycatcher (female) Flycatcher (Cyronis pallipes), Mottled Wood Owl (Strix ocellata), Slaty-legged Crake (Rallina eurizonoides), Streak-throated Woodpecker (Picus xanthopygaeus), birding group in action, Forest Eagle-owl (Bubo nipalensis), Flame-throated Bulbul (Pycnonotus gularis), Indian Pitta (Pitta brachyura), Orange-headed Thrush (Geokichla citrina), Jerdon’s Nightjar (Caprimulgus atripennis), Malabar Trogon (Harpactes fasciatus).
A highlight of the winter holidays was spending time in Thattekad with Lenny looking for and photographing the key endemic bird species of the Western Ghats/Sri Lanka biodiversity hotspot. My time staying with KV Eldhose at Thattekad last June (as documented in an earlier post) was quiet but rewarding. The December visit was during peak season and Eldhose’s place was full up and rocking. Our four days and three nights were a fast-paced series of birding encounters with many highlights that have taken me months (and an unplanned curfew/lock down thanks to COVID-19) to process and appreciate. Unlike my normally solitary bird forays, the December outings in Thattekad were accomplished as part of a group(s). Lenny and I were there with guided teams of photographers from Pune and Chennai and then independent birders from the US and UK. As usual, either Eldhose or his trusty lieutenants Adjomon and Vimal accompanied the groups out.
In mid-December Lenny and I took a scenic drive from Kodai down to Bodi, over the Ghats and through the Cardamom Hills to reach Thattekad (about six hours of driving). We had an auspicious start when our arrival coincided with the pursuit of one of the most difficult birds to see in the Western Ghats/Sri Lanka biodiversity hotspot. A pair of Sri Lanka Bay Owls (Phodilus assimilis) was roosting in the primary forest and we were invited to take a peak. After a short 20 minute drive up the road Vimal guided us into a thick tangle of canes, dense shrubbery and towering rainforest trees. My 600 mm lens was still cold from having been up in Kodai and it fogged up when I took it out of the pelican case. It took nearly an hour to acclimatize so the shots of the Bay owl were taken with the 200-500 mm lens that Lenny used on the trip (we had taken it out to photograph Euphorbia trees for Bruce Dejong on the Bodi ghat).
SrI Lanka or Ceylon Bay Owls (Phodilus assimilis) at Thattekad primary forest. Guiding courtesy of KV Eldhose & Vimal Niravathu.
Thattekad primary forest area in winter light.
All of Eldhose’s cottages were full and we stayed in the main house. He was busy running his operation with key support provided by his wife Amy and daughter Ashy. The groups from Chennai and Pune were friendly and during the brief moments where we weren’t out finding birds we shared stories and images. The Chennai group was composed of middle aged and older men from the Photographic Society of Madras and was led by Saravanan Janakarajan. We spent time with them in the hides, in the primary forest and in the evening looking for owls. Lenny and I also got to know Jim and Maggie, a friendly couple from Seattle.
A SUPERB DAILY ROUTINE
Our pattern was to visit a hide visit close to Eldhose’s home at first light. That offered a chance to photograph the reclusive Slaty-breasted Rail (Gallirallus striatus) and then the more reliable starlings, trees pies, woodpeckers and drongos. The hide is close to the house and cottages but it is tiny and we had to take turns. My photographs were taken on the 2nd last morning. Rather than have breakfast at home, all the groups headed out to the primary forest 7:30 and ate breakfast on the way at Kuttampuzha. A simple road side café overlooking a tributary of the Periyar river offered classic Kerala breakfast fare (appam, puttu, paratha, beef curry, chickpeas etc.)
The primary forest, where most of the key birding is accomplished, is actually not a large forest area like Parambikulam, Periyar or Vazhachal. It isn’t even technically part of the Salim Ali Sanctuary, the protected area that Thattekad is associated with. But there is enough habitat diversity and remnant lowlands tropical rainforest to offer opportunities to see all sorts of key Western Ghats birds. It’s not the sort of place that you can wander around on your own and we were accompanied by Adjomon and Vimal. They had their hands full and it would have been better to be in a smaller group but we did fine. The habitat is ideal for Malabar Trogons (Harpactes fasciatus), which I never tire of photographing. They are shy but will sit still in a shaded area if you are fortunate. We saw Sri Lankan Frogmouths (Batrachostomus moniliger) on three different occasions and the guides have several spots that they check reliably.
Our birding mornings typically stretched on to about 1:00-2:00 PM and then we headed back to Eldhose’s to eat, rest briefly and get ready for the afternoon programs. There was a rotation of hides to visit and the groups took turns visiting them. Just behind his newly constructed rooms, a rare Slaty-legged Crake (Rallina eurizonoides) appeared like clockwork every afternoon at the edge of the wetland to look for mealworms. The other two hides are the “Treepie” and “Flycatcher hides.” Both of these are located on privately owned land that adjoins forest patches. They offer unparalleled opportunities to see and photograph key species up close and personal. White-bellied Treepie (Dendrocitta leucogastra), Chestnut-tailed Starling (Sturnia malabarica), Red Spurfowl (Galloperdix spadicea) and Fairy Bluebird (Irena puella) were my personal favorites at the Treepie hide. Lenny and I spent a wonderful afternoon-almost three hours- at the Flycatcher hide with Jim and Maggie. The diversity of flycatchers and other birds was truly dazzling and it was difficult to keep track of the different species as they came in for an afternoon bath and feed. The key flycatchers included the Blue-throated flycatcher (Cyornis rubeculoides), White-bellied Blue Flycatcher (Cyronis pallipes), Rusty-tailed Flycatcher (Muscicapa ruficauda) and Indian paradise flycatcher (Terpsiphone paradisi). We were also treated to exquisite views of an Indian Pitta (Pitta brachyura), Orange-headed Thrush (Geokichla citrina) and Malabar Whistling-thrush (Myophonus horsfieldii).
Evenings at Eldhose’s always started with an effort to see the Mottled Wood Owl (Strix ocellata) at twilight. This experience had been a highlight of the June trip and sure enough an individual of this rare endemic species came back this time. All of us photographers, armed with tripods and lenses (see images), were lined up and seated for the show. We had one excellent sighting and then two nights where it decided not to visit. Before dinner we had the opportunity to go out looking for rare night birds in the nearby secondary forest. Here the rarities included the Great Eared-nightjar (Lyncornis macrotis) and Forest Eagle-owl (Bubo nipalensis). The nightjar sat in the same place very evening while the Forest Eagle-owl was shy and hard to see. I did manage a blurry image on the 2nd evening.
Indian Pitta (Pitta brachyura) bear Thattekad. Hide courtesy of KV Eldhose.
Hilltop birding inside the primary forest. The open rock faces provide good views of the canopy. There are remnants of ancient humans living here in disused grinding stones and what might be collapsed dolmans. A family of adivasis was camped at the spot and had permission to collect minor forest products.
On our last morning before Lenny and I returned to Kodai we had a chance to photograph the Grey Jungle Fowl (Gallus sonneratii). This is a bird that I have been listening to for much of my life and I’ve frequently seen it on hikes in the Palani Hills. But the sighting near Eldhose’s gave me a whole new appreciation for its beauty (especially in the male individuals). Soon after we packed up, said goodbye to Eldhose, Amy and Ashy and headed back to Kodai to be there in time for a Christmas in the hills. The sightings of birds and experiences in Thattekad left us with an overwhelming sense of awe and appreciation for the diversity of winged life forms in the southern Western Ghats.
Bird watching and photography gear at KV Eldhose’s on a brief break from the action.
FURTHER READING & REFERENCES
Ali, Salim. Birds of Kerala, 3rd Edition. Kerala Forest & Wildlife Department. Thiruvananthapuram, 1999.Print.
Birding South India. (Eldhose’s website). Web.
Grimmett, Richard Carol Inskipp and Tim Inskipp. Birds of the Indian Subcontinent, Second Edition. London: Helms Field Guide/Oxford University Press, 2011. Print.
Kazmierczak, Krys. and Raj Singh. A Birdwatcher’ Guide to India. Devon, UK: Prion,1998. Print.
Rasmussen, Pamela C. and John Anderson. Birds of South Asia: The Ripley Guide. Volumes 1 &2, Second Edition. Washington DC: Smithsonian, 2012. Print.
Sreenivasan, Ramki. “Thattekad Check List and Trip Report.” Birds of India. ND. Web.
Thattekad Introduction
Blue-winged or Malabar Parakeets (Psittacula columboides) at K.V. Eldhose’s place outside of Thattekad.
(Continuing from the October Post)
Leaving the Anamalais, I traversed westwards down the long, but rarely used and richly-forested road into Kerala’s Vazhachal area and then to Thattekad Bird Sanctuary. This side of the Western Ghats enjoys the full force of the South Western Monsoon and harbors fine examples of tropical evergreen rainforest. That means the opportunity for high biodiversity and endemism. The high rainfall and deep valleys also attracted dam builders in the last century and there are a number of large hydroelectric reservoirs and generating stations in Vazhachal. I had visited Athirappilly Falls nine years ago (see August 2010 post) and on this trip I wanted to go further to Thattekad and explore its forests and birds before making my way home to Colombo via Kochi (Cochin).
Deep inside Kerala’s Vazhachal area on my way to Athirappilly Falls and Thatekkad.
Descending into Vazhachal to Athirappilly was fascinating as the road passes through towering valleys of classic tropical rainforest. This is classic GPH territory and it was surprisingly clear on the day that I did the drive in a rented Valparai taxi. It was somewhat frustrating as vehicles are not allowed to stop-to prevent picnics and mischief from tourists. In the last few years Athirappilly has been in the news for all the wrong reasons. The Kerala State Electricity Board (the same actors in the effort to dam Silent Valley) has been trying in earnest to dam the Chalakudy near the falls. There are already several dams upstream but KSEB has stubbornly stuck to proposals to put in a 163 MW dam at Athirappilly (Environmental Justice Atlas). The debate is sometimes seen as a classic “pro-development vs. environment/conservation” argument. Tragically, even after the battles and lessons of Silent Valley, we are reminded that protection and conservation is never guaranteed. Current and future generations are compelled to be alert to those who seek short term solutions in the last remaining areas of wilderness.
Thattekad Bird Sanctuary is well known for its association with Salim Ali, India’s legendary birdman. Ali’s books, published by the Bombay Natural History Society, introduced several generations to the joy of birdwatching and he was actively involved in promoting the protection of wilderness areas in an age of aggressive large scale industrial development and hydroelectric dam building. His visits to Kerala in the 1930s, when the area was part of the Travancore Princely State, led to the landmark publication of the Birds of Travancore and Cochin (1953). He famously associated Thattekad with being the richest area for birds in peninsular India.
Thattekad Bird Sanctuary sits at the junction of the Periyar and Idamalayar rivers just 50 km east of Cochin (Kochi). It has a mix of forest types but is notable for its small remnants of lowland tropical evergreen forests. The actual protected area of Thattekad is quite small (@ 25 km2) and many of the interesting species are found in home gardens and patches of forests and wetlands outside of the PA. In recent years Thattekad has become a must see location for serious birders and others looking to see and check off the Western Ghats endemics. With its growing popularity, a number of home stays have sprung up near to its entrance on the north side of the Periyar River.
A new and updated version of the Anamalai Hills, High Range Palanis Hills map created by the author for the Nature in Focus talk in 2016. Click on the image for a larger 150 DPI A3 version.
In Thattekad I stayed with the legendary K.V. Eldhose. Almost all serious birdwatchers and photographers interested in the endemics species of the Western Ghats have either visited him or planned to visit Eldhose’s homestay. Eldhose’s is located south of the Periyar river in a sparsely populated rural landscape with secondary forest, open patches and marshy areas. There aren’t any signs so you need to book ahead of time and then Eldhose comes to meet you on his scooter. The habitat around his place are composed of rubber tree groves and small patches wetlands/paddy fields. He maintains five neat Kerala-style bungalows for visitors and then facilitates excursions to see different key species. Eldhose grew up appreciated the natural history of the area and learnt about their feeding habits from his grandmother. Over the years he has developed a complex series of feeding routines to attract key species in different habitats. His specialties include the Southern tree Pie (Dendrocitta leucogastra), Indian Pitta (Pitta brachyura) , Red Spurfowl (Galloperdix spadicea) , Blue Winged or Malabar Parakeets (Psittacula columboides) and Gray Headed Bulbul (Pycnonotus priocephalus). These can be viewed outside of the Thattekad protected area in a rural landscape. Eldhose and/or his guides escort you into forest patches within a 15 km radius of his homestay for forest species like the Sri Lanka Frogmouth (Batrachostomus moniliger), White-bellied blue flycatcher (Cyornis pallipes), Ceylon Bay Owl (Phodilus assimilis), Malabar Trogon (Harpactes fasciatus) etc.
My goal was to get a sense of Thattekad and then come back during the winter migration season. June may have been “off season” but being at Eldhose’s before the rains started in earnest provided several unique natural history viewing opportunities. There were no other guests so enjoyed great attention and support. During the day I used Eldhose’ hides to get up close and personal with Blue Winged Parakeets, Greater coucals, Woodpeckers, Jungle Babblers, Common Mynas and more. The lowland rainforest was at least a 15-20 drive, across the Periyar River up the road. Here giant trees with enormous sweeping buttresses shade out most of the sunlight and provide a diverse set habitats for most of the rare forest bird species of the Western Ghats. In a leisurely outings our notable encounters included two Sri Lanka Frogmouths, a White-bellied blue flycatcher, two different Malabar trogon pairs and a Heart Spotted Woodpecker.
At dusk I enjoyed the extraordinary experience of watching two Mottled Wood Owls (Strix ocellata) scare the bejesus out of other birds and then come swooping into Eldhose’s garden to dine on several field mice that he had put out for them. Their calls-all of the distinctive vocalizations- are something quite unforgettable. Later I went out with Ajomon looking for frogs and snakes. We found several Malabar Gliding Frogs (Rhacophorus malabaricus) at a neighbor’s house but the most photogenic individual was in a pepper vine behind Eldhose’s house (see images).
Malabar Trogon (Harpactes fasciatus) female in the primary forests of Thattekad.
Malabar Trogon (Harpactes fasciatus) male posing for me in the primary forests of Thattekad. I can never get enough of these birds that are so intimately associated with some of favorite areas in the Western Ghats/Sri Lanka biodiversity hotspot!
Mottled wood owl (Strix ocellata) making an appearance at Eldhose’s home at exactly 6:45. A snack of lab mice gives these rare birds an incentive to visit. Their calls are eerie, exiting and quite hard to reproduce.
My visit to Thattekad wrapped up all too soon and I found myself on a flight back over the same hills traversing the Western Ghats from 8,000 meters on my way home to Colombo. Plans are already in place to revisit Thattekad and spend more time with K.V and other contacts that I met on the June trip.
At first glance, this image might depict a landscape of devastation while, in fact, it is one of hope. Here a plantation of forest department-managed non-native acacia trees has been cleared and an effort is being made to restore the tropical evergreen rainforest that is the climax vegetation. Taken near to Thattekad, looking north-east. (June 2019)
FURTHER READING & REFERENCES
Ali, Salim. Birds of Kerala, 3rd Edition. Kerala Forest & Wildlife Department. Thiruvananthapuram, 1999.Print.
Amphibians of India. Web.
Birding South India. (Eldhose’s website). Web.
Daniels, Ranjit. R.J. Amphibians of Peninsular India. Hyderabad: University Press. 2005. Print.
Grimmett, Richard Carol Inskipp and Tim Inskipp. Birds of the Indian Subcontinent, Second Edition. London: Helms Field Guide/Oxford University Press, 2011. Print.
Kazmierczak, Krys. and Raj Singh. A Birdwatcher’ Guide to India. Devon, UK: Prion, 1998. Print.
Rasmussen, Pamela C. and John Anderson. Birds of South Asia: The Ripley Guide. Volumes 1 &2, Second Edition. Washington DC: Smithsonian, 2012. Print.
Sreenivasan, Ramki. “Thattekad Check List and Trip Report.” Birds of India. ND. Web.
Further Explorations in the Anamalai Hills
Lion Tailed Macaque (Macaca silensus) mother and infant getting ready to cross the road in Pudhuthottam, Anamalai Hills. No other mammal in the Westerns Ghats is as closely associated and emblematic of the hotspot’s fragile biodiversity. (April 2019)
The Anamalai Hills drew me back to their forest and plantation-clad contours once again this year. In the recent decades the Anamalais have emerged as a key area of conservation interest in India’s 1,600 km long Western Ghats biodiversity Hotspot. The hills are located in Tamil Nadu south of the Palghat Gap and adjoin important protected areas in Kerala and the neighboring Palani Hills. Rich habitat diversity and distinct vegetation types in the Anamalais provide a home for almost all of the key emblematic Western Ghats species. These include large animals such as tigers and elephants, key endemics including Lion Tailed Macaques (Macaca silenus), Nilgiri tahr (Nilgiritragus hylocrius) and charismatic smaller life forms such as the Anamalai flying frog (Rhacophorus pseudomalabaricus) and Purple frog (Nasikabatrachus sahyadrensis). The area hosts significant human populations-there are several indigenous tribal groups living in remote settlements, but most humans are involved in planation agriculture on the Valparai plateau. There is also a small but significant group of scientific researchers studying different aspects of the ecology and working to protect the fragile heritage of the Anamalais. Finally, the Anamalais are attracting tourists- a development with both positive and perilous potential.
My earliest recollection that the Anamalais were distinct from the range of my childhood (the Palanis) and the more distant Nilgiri hills came from George Roshan, a leading wildlife photographer of his age who lived in Kodai. We both frequented Doveton’s Studio and sometime in 1985/86 George came back with stories of exciting large animal encounters in Top Slip- a place located in the north-western Anamalais. During those same years the school’s tahr camp ended up in Manjampatti Valley-a remote and relatively dry low plateau surrounded by the rugged peaks of the Palani Hills, High Range and Anamalai Hills. On our final hike out we walked westwards through dry deciduous forest with the 2,000 + meter high, grass-covered peaks overshadowing our small group. We had to be careful of large mammals but mostly we were walking alone through a savanna-scrub like environment far from the trappings of civilization. The area is now part of the Anamalai Tiger Reserve and trekking is restricted such that school groups are not able to enjoy the experience that was a highlight was so many of us. In 1993 I accompanied my cousin Anna on a trip to Top Slip to meet Ragupathy Kannan and visit his field study site where he was observing the nesting and feeding ecology of Great Pied Hornbills (Buceros bicornis). About 10 years ago I visited and spent time at the NCF nursery where the group’s ecological restoration efforts radiate out from. Since then I have come back every few years with either Amy or Lenny on enjoyable but all too short visits.
This January Danesh Khan, my friend and co-author from the grasslands study, hiked up to Cloudland’s peak to watch the first light of the day and review the status of remnant montane grasslands in this northern high point of the Palani Hills. The view to the west of the Anamalai highlands was particularly striking. The lofty peaks that are north or Eravikulam loomed over the Manjampatti Valley, Kukkal and Puthuputhoor ridges (see image below). Of course, Eravikulam’s plateau, Anai Mudi and Katu Malai were also clearly visible, though some of it the plateau was obstructed by the Vandaravu, Vembadi and Gundar areas of the Palanis. That view of the Anamalais lodged in my mind and motivated two trips mid-way through the year.
The Anamalai Hills as seen from the east. The grass-covered peaks rise above the Puthuputhoor ridge in the Palani Hills. Manjampatti Valley, the site of numerous magical tahr camps, separates the Palanis from the Anamalai Hills. The Kukkal ridge is on the left with the first light of the day illuminating steep cliffs. (January 2019)
The Anamalai Hills as seen from the north near Pollachi looking south.(June 2019)
In April during our Sinhala/Tamil New Year break Lenny and I took a brief three day visit to Valparai. We were motivated by birds, endemic species and the chance of observing and photographing Great Pied Hornbills (Buceros bicornis) in flight. We connected with Sridhar for a morning of rich bird watching and e-bird counting. Lenny and I spent time in the newly refurbished NCF Anamalai Nature Information Centre and were able to pick up copies of the exquisitely produced Pillars of Life book. We crossed paths with Divya and a film crew photographing LTMs for an episode of On the Brink. The increasing tendency of these normally arboreal, forest-dwelling primates to venture into the town of Valparai to forage for food is the subject of some debate and study. In Valparai we stayed at Misty Creek a homestay that is owned by Frank Benjamin-a knowledgeable and helpful gentleman with an interest in snakes and amphibians. However, it was still very dry and thus I planned a return trip to focus on amphibians. We did have good success with LTM and Nilgiri tahr observations and I had a decent view of a GPH in flight (see images below).
Great Pied Hornbill (Buceros bicornis) in flight over a forest clearing near Old Valparai (April 2019).
I came back to Valparai on another short visit in June, this time as I traversed the Anamalais on my way to Thattekad and Cochin from the Palani Hills. I was expecting the South West monsoon to be vigorous but it had not set in with its full force yet. That offered a few opportunities for dry exploration and luckily there had been enough rain to get the amphibians croaking. Kalyan Varma was in town with the same On the Brink team and we had a brief chat as one of the Pudhuthottam LTM troops moved into a school compound in Valparai. This time I stayed at Pudhuthottam Annex (run by the Briar Tea Bungalows group) with the idea of getting closer to the frogs, birds and mammals that I wanted to photograph. Working with the naturalist Dharani and manager Abhishek Vaidyanathan, we located and then photographed several key endemic frogs near the Briar Woodhouse. These included Jayaram’s Bush Frog (Raorchestes jayarami) and the Wayanad Bush Frog (Pseudophilautus wynaadensis). I also appreciated waking up to Malabar Whistling thrushes (Myophonus horsfieldii) calling on my roof and the troop of LTMs surrounding the small cottage. Unfortunately, the possibility of leopard and elephant encounters kept us close to the main wood bungalow at night.
This narrative is continued and concluded with the Getting to know Thattekad post(to be published next month).
PAST ANAMALAIS POSTS
Lockwood, Ian. “ Restoration & Revival in the Anamalais” August 2010. Web.
” “A Bend in the Ghat: An Anamalais Encounter.” May 2015. Web.
FURTHER READING & REFERENCES
Chakravarty, Rohan. “Valparai Natural History Map.” Green Humour. Web.
Mudappa, Divya, Shankar Raman, Nirupa Rao and Sartaj Ghuman. Pillars of Life: Magnificent Trees of the Western Ghats. Mysore: NCF, 2018. Print.
Raman, Shankar, Divya Mudappa and Anand Usuri. “Restoring rainforest remnants: experiences from the Anamalai hills.” Current Conservation. May 2018. Web.
The Pollachi Papyrus. Website.
Sri Lanka Mountain Traverse (Part I)
A collage of diversity: highlights from 10 days of traversing Sri Lanka’s mountain zones.
Sri Lanka’s modest island boundaries hosts a rich assemblage of habitats with unique life forms that contribute to its status as one of 36 global biodiversity hotspots (together with the Western Ghats of India). Several of these places-namely Sinharaja rainforest and the Central Highlands -are also recognized by UNESCO as World Heritage Sites. In mid-June this year my son Lenny and I took an unforgettable ten day south-north traverse through the three most important mountain ranges of Sri Lanka looking to explore themes of endemism.
The Rakwana Hills (including Sinharaja), Central Highlands and Knuckles range share certain geographic and vegetation patterns and yet have distinct species with very restricted distributions. They are all in the “wet zone” receiving between 2,500-6,000 mm of rain (see SL Biodiversity Clearing House Mechanism) . In May this year I read a new article by Sri Lankan amphibian guru Madhava Meegaskumbura and colleagues entitled “Diversification of shrub frogs (Rhacophoridae, Pseudophilautus) in Sri Lanka – Timing and geographic context” (see Molecular Phylogenetics and Evolution and the summary by Dilrukshi Handunnetti in Mongabay). The authors highlight the genus Pseudophilautus in the three ranges and their connections to shrub frogs in the Western Ghats. They delve deep into the species at a molecular level that is beyond most of us but I was fascinated by the role of mountain geography in the species’ distribution. This got me thinking about doing a single traverse through the same ranges at the onset of the South West Monsoon.
About the same time, Lenny was formulating an approach to his IB MYP5 personal project. This culminating exercise challenges students to pick their own project, make a product or produce an outcome and then reflect deeply on the process. He had been fascinated by our (thus far, futile) search for the rare point endemic marbled streamlined frog (Nannophrys marmorata) in the Knuckles range. With a little encouragement from his parents, Lenny decided to explore broad themes of endemism in Sri Lanka using the medium of photography.
Primary ridge forest in Western Sinharaja. These relatively inaccessible areas were never logged during the mechanized logging period (1960s-mid 1970s). The prominent tree species is Shorea trapezifolia from the Dipterocarpaceae family.
Sinharaja West
We started our 10 day traverse, driving southwards from Colombo on the expressway in the middle of heavy monsoon showers. Our first three days and two nights were spent in the western side of Sinharaja, staying with the incomparable Martin Wijeysinghe at his Jungle Lodge. There were showers on all days but this was low season and there were few tourists (and no migrant birds). The road that had been re-paved from the Kudawa ticket office up to the entrance to the core zone entrance was nearly complete and opened for the first time. The impact of this controversial project appeared less harmful than had been projected by concerned citizens and journalists (See the Daily Mirror on 12 February 2019). Pavement stones had been used on the road and a concrete lining put on the storm drain that runs parallel down the road. There were some trees that had been felled and large patches of Strobilanthes and other shrubs cleared. But these should recover within a season or two. If there is one lesson from Sinharaja’s conservation story in the last 40 years it is that the rainforest system is resilient and is able to recover from human disturbance remarkably well. That doesn’t suggest that we should be complacent about conservation and restoration efforts but we do need to give the system a chance to rebound.
Lenny, Amy and I had visited Martin’s for two nights in February along with our friend Mangala Karaunaratne and his two kids. That trip had been rewarding with good sighting of the Golden Civet Cat (Paradoxurus zeylonensis), Blue Magpies (Urocissa ornata), Hump Nosed Lizard (Lyriocephalus scutatus) and several other species. A few of the images are included here, as they paved the way for a deeper exploration of the area.
The extremely rare Golden Palm Civet Cat (Paradoxurus zeylonensis) at Martin’s lodge. This individual made regular night visits for several months but has stopped coming (as of June 2019). (photo taken in January 2019)
Our highlights with endemics in the western part of Sinharaja in June mainly involved birds. We did look for frogs around Martin’s but were not that successful in this early stage of our mountain traverse. During our three days we had rewarding encounters with a Green Billed Coucal (Centropus chlororhynchos), a pair of Sri Lanka Frogmouths (Batrachostomus moniliger), Blue Magpies (Urocissa ornata) and a Green Pit Viper (Trimeresurus trigonocephalus). Thilak, the very talented independent guide, helped us locate a solitary Chestnut Backed Owlet (Glaucidium castanotum). We did encounter a mixed feeding flock during our first walk to the research station. It included some of the usual endemics but we didn’t have a good opportunity to photograph them. A visitor from Singapore staying at Martin’s was very lucky and saw both the Serendib Scops Owl (Otus thilohoffmanni) and the extremely rare Sri Lanka Bay Owl (Phodilus assimilis) in the same area while we were there.
A male Malabar trogon (Harpactes fasciatus) that was part of a mixed species feeding flock near the Sinharaja research station. Regular readers may recognize that this species is one of my favorite species to encounter and photograph. Previous posts from Silent Valley and the Palani Hills have feature Malabar Trogons and a future post from Thattekad (Kerala)will highlight another exquisite individual.
Sri Lanka Green Pit Viper (Trimeresurus trigonocephalus) near the upper Core Zone entrance on Sinharaja’s west side.
Sri Lanka Blue Magpie (Urocissa ornata) visiting Martin’s lodge, in search of months and insects around tea time before breakfast.
Sri Lanka Keelback (Xenochrophis asperrmus) at the ticket gate of the Kudawa entrance to Sinharaja.
The endemic and diminutive Chesnut Backed Owlet (Glaucidium castanotum) was one that took special help to find. Lenny and I were assisted by Thilak, the independent guide, in our search for owls and he found this individual outside of the park boundaries. Just was we were setting up and getting shots with a 200-500 the skies opened up and we were forced to leave before we wanted to. The light was so low and the bird was at least 20 meters away and I was forced to use a strobe.
(to be continued in Part II/IV)
REFERENCES (for all four parts)
Amphibian Survival Alliance. Web.
De Silva, Anslem. Amphibians of Sri Lanka: A Photographic Guide to Common Frogs, Toad Caecilians. Published by author, 2009. Print.
De Silva, Anslem and Kanishka Ukuwela. A Naturalist’s Guide to the Reptiles of Sri Lanka. Colombo: Vijitha Yapa Publishing, 2017. Print.
Gunatilleke, C.V.S. A Nature Guide to the World’s End Trail, Horton Plains. Colombo: Department of Wildlife Conservation, 2007. Print.
Gunatilleke, I.A.U.N, and C.V.S. Gunatilleke and M.A.A. Dilhan. “Plant Biogeography and Conservation of the South Western Hill Forests of Sri Lanka.” The Raffles Bulletin of Zoology, 2005. No. 12 9-22. Web.
Handunnetti, Dilrukshi. “How India’s shrub frogs crossed a bridge to Sri Lanka – and changed forever.” Mongabay. 1 May 2019. Web.
Kotagama, Sarath and Gamini Ratnavira. An Illustrated Guide to the Birds of Sri Lanka. Colombo: FOGSL, 2010. Print.
Meegaskumbura, Madhava et al. “Conservation and biogeography of threatened Amphibians of Eastern Sinharaja.” Froglog. Issue 100. January 2012. Web.
Meegaskumbura, Madhava et al. “Diversification of shrub frogs (Rhacophoridae, Pseudophilautus) in Sri Lanka-Timing and geographic context.” Molecular Phylogenetics and Evolution. 2019. Web.
Pethiyagoda, Rohan. Horton Plains: Sri Lanka’s Cloud Forest National Park. Colombo: WHT, 2013. Print.
Protected Planet. Sri Lanka PA Boundaries. August 2019.
Senevirathna, Ishanda. The Peeping Frogs of Nuwara Eliya. Colombo: Jetwings, 2018. Print.
Somaweera, Ruchira and Nilusha Somaweera. Lizards of Sri Lanka. A Colour Guide with Field Keys. Frankfurt: Edition Chimaira, 2009. Print.
MAP OF THE JOURNEY
