South Siberia, Russia
Credit: Sergey Pisarevskiy

North American field guide

Dusky Warbler

Phylloscopus fuscatus

Also known as:Dusky Willow Warbler

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Identification

Field notes

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.

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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.

Dusky Warbler

1 rule
Rule 1 19 criteria confidence 1
Did the WINGS have STRIPES or PATCHES ?
No · Unknown
What colour TAIL PATTERN was there if any ?
None · Unknown
What colour was the SIDE ?
White, or pale (grayish-white) · Orange, buff (orange-yellow), or tan · 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) · 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) · Orange, buff (orange-yellow), or tan · Olive (yellowish-green) · Brown, or chestnut (reddish-brown) · Gray, or blue-gray · Unknown
What colour was the THROAT ?
White, or pale (grayish-white) · Orange, buff (orange-yellow), or tan · Olive (yellowish-green) · Gray, or blue-gray · 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
Was the HEAD striped ?
No · 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:144-dusky-warbler:1:1 Source: 144 Dusky Warbler, row 1