Arctic Warbler

Phylloscopus borealis

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Identification

Field notes

13 cm (5") Fairly common in western and central Alaska. Grassy tundra, willow shrubs.

Olive upperparts, light unstreaked underparts. White eyebrow stripe often curves upward behind the eye. Wing bar may be present. Square tail.

Song: loud reedy and buzzy.

Details in the field

Photo gallery

1 photo

Credit: K.C. Hung

Watch and learn

Videos

1 video

Arctic Warbler - Phylloscopus borealis

Credit: Mark Andrews

Bird Advisor Identification rules 1 variant 1 rule

These are the observation paths the Bird Advisor can use to identify this species. Each rule is an alternative match.

Arctic Warbler

1 rule

Rule 1 17 criteria confidence 1

What colour TAIL PATTERN was there if any ?: None · Unknown
What colour was the SIDE ?: White, or pale (grayish-white) · Olive (yellowish-green) · Gray, or blue-gray · Unknown
Was the RUMP or LOWER BACK light ?: No · Unknown
What colour PATTERN if any was on the BACK ?: Uniform · Unknown
What colour was the BACK ?: Olive (yellowish-green) · Brown, or chestnut (reddish-brown) · Gray, or blue-gray · Black, purple, or dark · Unknown
What colour was the BELLY ?: White, or pale (grayish-white) · Yellow · Orange, buff (orange-yellow), or tan · Olive (yellowish-green) · Gray, or blue-gray · Unknown
What colour PATTERN if any was shown on the BREAST ?: Uniform color · Unknown
What colour was the BREAST ?: White, or pale (grayish-white) · Yellow · Orange, buff (orange-yellow), or tan · Olive (yellowish-green) · Gray, or blue-gray · Unknown
What colour was the THROAT ?: White, or pale (grayish-white) · Yellow · Olive (yellowish-green) · Unknown
What SHAPE was the BILL ?: Straight and slender · Unknown
What LENGTH was the BILL ?: Short · Medium · Unknown
What were the EYE markings if any ?: Light STRIPE OVER, BEHIND or THROUGH the eye · Unknown
What colour was the TOP of HEAD ?: Olive (yellowish-green) · Green · Brown, or chestnut (reddish-brown) · Gray, or blue-gray · Black, purple, or dark · Unknown
How BIG was the bird ?: Smaller than a sparrow · Sparrow-sized
What TYPE of bird was seen ?: Warbler-like
WHEN was the bird seen ?: Spring · Summer · Fall
WHERE was the bird seen ?: Northwestern Canada or United States

result:143-arctic-warbler:1:1 Source: 143 Arctic Warbler, row 1