Arctic warbler (Phylloscopus borealis)

Phylloscopus borealis is a species in the Phylloscopus genus. It is commonly known as Arctic warbler This name is unplaced name for the species in the family Phylloscopidae . This species is found in breeding range in Fennoscandia and the northern Palearctic. It has established a foothold in North America, breeding in Alaska. This warbler is strongly migratory; the entire population winters in southeast Asia.