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Sakhalin leaf warbler

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Sakhalin leaf warbler
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Passeriformes
Family: Phylloscopidae
Genus: Phylloscopus
Species:
P. borealoides
Binomial name
Phylloscopus borealoides
Portenko, 1950

The Sakhalin leaf warbler (Phylloscopus borealoides) is a species of Old World warbler in the family Phylloscopidae. It is found in Sakhalin, the Kuril Islands and Japan; it winters to the Amami and Okinawa islands.

Its natural habitat is temperate forests.

Description

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It has a long white supercilium and broad, dark brown eye-stripes.[2] Its crown, upper parts, and bill are also dark brown.[2] It has greenish-brown cheeks and its ear-coverts are mottled.[2] Its bill has a pink base that extends to the lower mandible.[2] Its legs are pale pinkish-brown.[2]

It is easily confused with the pale-legged leaf warbler.[2] One possible distinguishing feature is that its upperparts are slightly more greenish.[2] It is more easily distinguished by its lower-pitched vocalizations, but some overlap does exist in the species' pitch ranges.[2]

Breeding

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It nests in shrubs.[3]

References

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  1. ^ BirdLife International (2016). "Phylloscopus borealoides". IUCN Red List of Threatened Species. 2016: e.T22715329A94448458. doi:10.2305/IUCN.UK.2016-3.RLTS.T22715329A94448458.en. Retrieved 11 November 2021.
  2. ^ a b c d e f g h Park, Jong-Gil; Jeong, Si-Yun; Kim, Yang-Mo; Jin, Kyoung-Soon; Nam, Dong-Ha (2021-12-31). "Taxonomy of the Pale-legged Leaf Warbler (Phylloscopus tenellipes) and Sakhalin Leaf Warbler (P. borealoides) in Korea". The Korean Journal of Ornithology. 28 (2): 108–116. doi:10.30980/kjo.2021.12.28.2.108. ISSN 1225-9179.
  3. ^ Ueta, Mutsuyuki. "Avifauna at Ooyamazawa: Decline of Birds that Forage in Bushy Understories." Long-Term Ecosystem Changes in Riparian Forests (2020): 201.