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Phylloscopus xanthodryas
Diet
Insects
Habitat
Forest edge, scrub during migration
Range
Breeds Japan, winters mainly to the Philippines and Sundaland
Clutch size
4–6 eggs (on breeding grounds)
Incubation period
About 13 days
Size
Small (11–12cm)
Wingspan
~18–20cm
Weight
~9–11g
A rare/accidental vagrant to Borneo, this member of the Arctic Warbler complex breeds in Japan and typically winters closer to the Philippines.
Extremely similar to related leaf warblers in plumage, it is most reliably identified by its distinctive song and call rather than appearance.