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Kamchatka Leaf Warbler
Phylloscopus examinandus
Identify the Kamchatka Leaf Warbler by sound or photo and log your sightings with Birdpass.
The Kamchatka Leaf Warbler is a small leaf warbler of north-eastern Asia, formerly part of the Arctic Warbler complex but recognised as a separate species since the 2010s on genetic and vocal evidence. It breeds on Kamchatka, Sakhalin, Hokkaido and the Kuril Islands and winters in Indonesia and the Philippines. It is almost identical to the Arctic Warbler, and its song is needed for certain identification.
Did you know?
- It was formerly treated as the same species as both the Arctic and Japanese Leaf Warblers.
- Its species name examinandus means “to be examined”, reflecting how hard it is to identify.
About the species
Identification
A small, subdued leaf warbler: greenish-brown above, pale below, with a long pale supercilium and a wing bar. It is extremely similar to Arctic Warbler, so the most reliable mark is the song, which differs clearly from its relatives' songs.
Family
Sylviidae
Size
Tiny (goldcrest)
Colours
green, white, yellow
About the habitat
Breeds in lowland deciduous forest and scrub on Kamchatka, Sakhalin, Hokkaido and the Kurils; winters in forests in Southeast Asia.
Diet
Mainly small insects and other arthropods picked from leaves and twigs, occasionally caught in flight.
Behaviour
A restless foliage-gleaner that moves quickly through trees and shrubs, often flicking its wings and tail. A long-distance migrant between north-eastern Asia and the tropics.
Sources
Photo: (c) Валерия Ковалева, some rights reserved (CC BY), CC BY 4.0 https://commons.wikimedia.org/wiki/File:Kamchatka Leaf Warbler imported from iNaturalist photo 313019515 on 20 June 2024.jpg
Text: Wikipedia (English) + GBIF regional observations + Wikipedia (Finnish), CC BY-SA 4.0; GBIF occurrence data; Wikipedia: CC BY-SA 4.0 https://en.wikipedia.org/wiki/Kamchatka_leaf_warbler
