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Phylloscopus examinandus
Also known as: Kamtschatka Leaf Warbler
Diet
Insects
Habitat
Forest edge, coastal scrub during migration
Range
Breeds Kamchatka and northeast Asia, winters to Southeast Asia
Clutch size
5–6 eggs (on breeding grounds)
Incubation period
About 13 days
Size
Small (11–12cm)
Wingspan
~18–20cm
Weight
~9–11g
Formerly lumped with the Arctic Warbler, this recently split species breeds in the Russian Far East and winters through Sundaland including Borneo.
Virtually identical in the field to its close relatives, it is best separated by its distinct call, and forages similarly through foliage for small insects.