It has established a foothold in North America, breeding in Alaska.
Not listed
At a glance
FamilyLeaf Warblers
SizeTiny
RarityRare
HabitatBreeds in birch and mixed birch forest near water across the northern Palearctic; vagrant in Australia.
Best timeMost reliable in Western Australia from October to November.
Sounds
Sound sampleRecorded by Richard E. Webster
Range map
Range map
3visible hotspots
15visible records
0states
Low confidenceMediumHigh confidence
Aggregated occurance data is sourced from 14 different actively-updating datasets including eBird Australia, iNaturalist Australia, BirdLife Australia, and multiple state-based bird surveys through Atlas of Living Australia.
Species notes
Overview
Visually inseparable from Japanese and Kamchatka Leaf Warblers; listen for song, an electric chattery trill. Breeding range extends to Alaska, where it is the only leaf warbler. Winters in lowland and foothill forest, forest edge, and gardens, primarily in Southeast Asia.
Behavior
Also gives a metallic two-noted call and a short harsh buzz. Breeds in shrubby areas, often near water, throughout the Eurasian taiga.
Gallery
Regional timing
Western Australia