Arctic Warbler
Also known as: Dusky Willow Warbler
14 cm (5-6") Rare. Western Alaska. Strays from Asia.
Dusky brown above, light underparts. Plain wings. Light eyebrow stripe. Similar Arctic Warbler has a pale wing stripe and its eyebrow stripe often curves up behind the eye.
Flicking wing habit.
Videos
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Credit: Sunhiker Outdoor
Images
Credit: Kevin Lin