Grey-cheeked warbler

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

Grey-cheeked warbler
From Khangchendzonga National Park, West Sikkim, India

Least Concern  (IUCN 3.1)[1]
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Passeriformes
Family: Phylloscopidae
Genus: Phylloscopus
Species:
P. poliogenys
Binomial name
Phylloscopus poliogenys
(Blyth, 1847)
Synonyms

Seicercus poliogenys

It is native to Bangladesh, Bhutan, China, India, Laos, Myanmar, Nepal, Thailand, and Vietnam. [2] Its natural habitats are subtropical or tropical moist lowland forests and subtropical or tropical moist montane forests. Its population size is unknown, but due to its large range the species does not approach the thresholds for Vulnerable under the range size criteria. The population trend appears to be stable, so also under the population size criteria the species does not approach Vulnerable.[3]

The grey-cheeked warbler was previously placed in the genus Seicercus. A molecular phylogenetic study published in 2018 found that neither Phylloscopus nor Seicercus were monophyletic.[4] In the subsequent reorganization the two genera were merged into Phylloscopus which has priority under the rules of the International Commission on Zoological Nomenclature.[5]

References
  1. BirdLife International (2017). "Phylloscopus poliogenys". IUCN Red List of Threatened Species. 2017. Retrieved 12 August 2018.
  2. "Phylloscopus poliogenys (Grey-cheeked Warbler)". IUCN Red List of Threatened Species. Retrieved 2018-07-31.
  3. "Grey-cheeked Warbler (Phylloscopus poliogenys) - BirdLife species factsheet". datazone.birdlife.org. Retrieved 2018-07-31.
  4. 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.
  5. 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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