Sakhalin Leaf Warbler

Scientific Name: Phylloscopus borealoides
Malay Name: Cekup-Daun Kaki Pudar Jepun
Chinese Name: 库页岛柳莺

Range:
Found from the Japanese Archipelago, Sakhalin to Kuril islands and winters to Southeast Asia

Taxonomy:
Monotypic.

Size: 11.5 cm

Identification:
Adult resembles Arctic Warbler but has dark greyish crown contrasting with olive-greenish mantle, warmish olive-brown rump and pale greyish pink legs and feet. Can only be distinguished from the very similar looking Pale-legged Leaf Warbler in the field (which may also occur in Singapore) by its characteristic song.

Similar looking species: Arctic Warbler, Eastern Crowned Warbler

Habitat: Forest.

Behaviour/Ecology: Usually forages for insects on the forest floor, sometimes climbing up low shrubs and vines to glean prey. May also be found in the mid-storey to canopy levels.

Local Status: Very rare migrant

Conservation Status: Least Concern (BirdLife International 2016)

Location: Confirmed to winter in Singapore when two individuals were heard singing the characteristic song of the Sakhalin Leaf Warbler at a forested patch in Dairy Farm Nature Park in March 2014. Another record photographed at Lower Pierce Boardwalk in February 2009 cannot be identified conclusively as Sakhalin or Pale-legged Leaf Warbler.

Photos:

External Links:
Conservation Status: IUCN Red List Page
Photos: Oriental Bird Images
Sound Recordings: xeno-canto Link
Wikipedia Entry: Wikipedia Link

References:
BirdLife International. (2016). Phylloscopus borealoides. The IUCN Red List of Threatened Species 2016. Downloaded on 2 September 2021
Jeyarajasingam, A., & Pearson, A. (2012). A Field Guide to the Birds of Peninsular Malaysia and Singapore. Oxford University Press.
Robson, C. (2008). A Field Guide to the Birds of South-East Asia. New Holland Publishers.
Yap, F., Yong, D. L., Low, B. W., Lim, K. K., Foley, C., Cros, E., & Rheindt, F. E., 2014. First wintering record of the Sakhalin Leaf Warbler Phylloscopus borealoides in South-East Asia, with notes on vocalisations. BirdingASIA 21: 76–81