Summary ²

The Arctic Warbler (Phylloscopus borealis) is a widespread leaf warbler in birch or mixed birch forest near water throughout its breeding range in Fennoscandia and northern Asia. It has established a foothold in North America, breeding in Alaska. This warbler is strongly migratory; the entire population winters in southeast Asia. It therefore has one of the longest migrations of any Old World insectivorous bird.

Sources and Credits

1. (c) Davis Kwan, some rights reserved (CC BY-NC), http://www.flickr.com/photos/39801652@N00/5254047937
2. (c) Wikipedia, some rights reserved (CC BY-SA), http://en.wikipedia.org/wiki/Phylloscopus_borealis

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