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| Sri Lanka whistling thrush | |
|---|---|
| Name | Sri Lanka whistling thrush |
| Status | EN |
| Status system | IUCN3.1 |
| Genus | Myophonus |
| Species | blighi |
| Authority | (Layard, 1854) |
Sri Lanka whistling thrush
The Sri Lanka whistling thrush is an endemic passerine of the island of Sri Lanka known for its loud, metallic calls and striking plumage. It occupies montane and submontane forests associated with major watersheds such as the Knuckles Mountain Range and Horton Plains National Park, and has been the subject of surveys by institutions like the Linnaean Society of London and the Royal Society for Protection of Birds. Conservation NGOs including the International Union for Conservation of Nature and the BirdLife International Partnership list it among species of concern, prompting fieldwork by researchers affiliated with the University of Colombo and the National Science Foundation (Sri Lanka).
Described in 1854 by Edgar Leopold Layard, the species sits in the genus Myophonus within the family Muscicapidae or historically placed with thrush-like taxa examined by the British Ornithologists' Union and the American Ornithological Society. Molecular studies by teams associated with the Smithsonian Institution and the Natural History Museum, London have compared its mitochondrial DNA with Asian congeners such as the Malabar whistling thrush and the Buru whistling thrush, informing debates recorded in journals like the Journal of Avian Biology and the Molecular Phylogenetics and Evolution. Nomenclatural treatments appear in checklists prepared by the IOC World Bird List and analyses by the Handbook of the Birds of the World project.
Adults are medium-sized, with iridescent blue plumage and darker body patches noted in field guides produced by the Field Studies Council and the Royal Geographical Society. Sexual dimorphism is subtle compared with species described by the American Museum of Natural History and the Natural History Museum, Tring. The bill and legs are dark; vocalizations have been recorded by researchers at the Cornell Lab of Ornithology and archived in collections used by the British Library and the National Library of Sri Lanka. Plumage variation across elevational gradients has been discussed in papers from the University of Peradeniya and the University of Kelaniya.
Restricted to montane rainforests and cloud forests of central and southern Sri Lanka, its range includes protected areas such as Horton Plains National Park, Peak Wilderness Sanctuary, and the Knuckles Conservation Forest. Habitat associations with riparian zones and shaded forest streams have been documented by surveys from the IUCN, the World Wildlife Fund in South Asia, and researchers collaborating with the Department of Wildlife Conservation (Sri Lanka). Elevational limits overlap with species inventories compiled by the Royal Botanic Gardens, Kew and field teams participating in the Global Biodiversity Information Facility network.
Primarily insectivorous, the species forages along stream banks and in undergrowth, a behavior recorded in field notes by observers affiliated with the British Trust for Ornithology and the Asian Birds Records Committee. Its vocal behavior—loud, flute-like whistles—has been analyzed in acoustic studies supported by the MacArthur Foundation and the National Geographic Society. Interactions with other montane endemics such as the Sri Lanka blue magpie and the Ceylon frogmouth have been reported in ecological surveys commissioned by the United Nations Environment Programme and documented in proceedings of the International Ornithological Congress.
Breeding occurs seasonally in sheltered banks and dense vegetation along streams, with nest descriptions and clutch data published in bulletins of the British Ornithologists' Club and theses from the University of Colombo. Parental care and fledging periods mirror patterns reported for related taxa in studies by the Max Planck Society and researchers contributing to the African and Asian Bird Atlas Project. Nest predation pressures, including potential threats from introduced mammals, have been assessed by conservationists from the Wildlife Conservation Society and national agencies.
Classified as Endangered by the IUCN, the species faces threats from habitat loss linked to tea plantations near the Nuwara Eliya region, hydropower development including projects evaluated by the Ceylon Electricity Board, and fragmentation documented in reports by the Asian Development Bank. Conservation measures have been advocated by the Department of Wildlife Conservation (Sri Lanka), international NGOs such as the BirdLife International Partnership, and academic partners like the University of Peradeniya. Protected-area management, restoration projects funded through mechanisms like the Global Environment Facility, and community-based initiatives involving the Ministry of Wildlife and Forest Conservation (Sri Lanka) form the basis of current recovery planning.
The species figures in local natural history outreach by organizations such as the Sri Lanka Wildlife Conservation Society and eco-tourism literature promoted by the Ceylon Tourist Board. It features in field guides published by authors connected to the British Ornithologists' Union and in citizen-science records submitted to platforms run by the Cornell Lab of Ornithology and the Global Birding Network. Conservation education campaigns supported by the United Nations Development Programme and local NGOs aim to balance livelihoods in areas near Hatton, Sri Lanka and Ella, Sri Lanka with biodiversity protection.
Category:Endemic birds of Sri Lanka Category:Myophonus