Chestnut-crowned warbler

The chestnut-crowned warbler (Phylloscopus castaniceps) is a species of leaf warbler (family Phylloscopidae). It was formerly included in the "Old World warbler" assemblage.

Chestnut-crowned warbler
At Fambong Lho Wildlife Sanctuary, Sikkim, India
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Passeriformes
Family: Phylloscopidae
Genus: Phylloscopus
Species:
P. castaniceps
Binomial name
Phylloscopus castaniceps
(Hodgson, 1845)
Synonyms

Seicercus castaniceps

It is found in Bangladesh, Bhutan, Cambodia, China, India, Indonesia, Laos, Malaysia, Myanmar, Nepal, Thailand, and Vietnam. Its natural habitats are subtropical or tropical moist lowland forest and subtropical or tropical moist montane forest. Nine subspecies are recognised across its range, and it forms a superspecies with the Sunda warbler and the yellow-breasted warbler.[2][3]

From Khangchendzonga National Park, West Sikkim, India.

It is arboreal and primarily insectivorous. Though not considered migratory, it may make small seasonal movements to higher or lower elevations.[4]

The chestnut-crowned warbler was previously placed in the genus Seicercus. A molecular phylogenetic study published in 2018 found that neither Phylloscopus nor Seicercus were monophyletic.[5] In the subsequent reorganization the two genera were merged into Phylloscopus which has priority under the rules of the International Commission on Zoological Nomenclature.[6]

References
  1. BirdLife International (2017). "Phylloscopus castaniceps". IUCN Red List of Threatened Species. 2017. Retrieved 12 August 2018.
  2. "Seicercus castaniceps - Avibase". avibase.bsc-eoc.org. Retrieved 2015-11-04.
  3. "Chestnut-crowned Warbler (Seicercus castaniceps) | the Internet Bird Collection". ibc.lynxeds.com. Retrieved 2015-11-05.
  4. Madge, S. (2018). del Hoyo, J.; Elliott, A.; Sargatal, J.; Christie, D.A.; de Juana, E. (eds.). "Chestnut-crowned Warbler (Phylloscopus castaniceps)". Handbook of the Birds of the World Alive. Lynx Edicions. Retrieved 12 August 2018.
  5. Alström, P.; et al. (2018). "Complete species-level phylogeny of the leaf warbler (Aves: Phylloscopidae) radiation". Molecular Phylogenetics and Evolution. 126: 141–152. doi:10.1016/j.ympev.2018.03.031. PMID 29631054.
  6. Gill, Frank; Donsker, David, eds. (2018). "Bushtits, leaf warblers, reed warblers". World Bird List Version 8.2. International Ornithologists' Union. Retrieved 8 August 2018.


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