Slaty-backed Gull

Larus schistisagus

Also known as:Pacific Gull

Explore this bird

Identification

Field notes

64 cm (25") Rare. Visits Alaska from Asia. Black or dark gray mantle. Legs bright pink. Yellow eyes. Broad white trailing edge on wings. Similar to Western gull but legs are brighter.

Details in the field

Photo gallery

1 photo

Credit: Francesco Veronesi

Watch and learn

Videos

2 videos

野鳥撮影・オオセグロカモメ　Slaty-backed gull

Credit: Birdlover.jp

野鳥：オオセグロカモメ (2)／Slaty-backed Gull (2)

Credit: KOJI283

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.

Slaty-backed Gull

1 rule

Rule 1 11 criteria confidence 1

What colour were the LEGS or FEET ?: Orange, buff (orange-yellow), or tan · Red, or pink · Unknown
What SHAPE was the TAIL ?: Square or slightly notched at the end · Rounded at the end · Unknown
What colour was the BACK ?: Gray, or blue-gray · Black, purple, or dark · Unknown
What colour was the BREAST ?: White, or pale (grayish-white) · Unknown
What SHAPE was the BILL ?: Straight and thick · Hooked · Unknown
What LENGTH was the BILL ?: Short · Medium · Unknown
What colour were the EYES ?: White or light gray · Yellow or olive · Unknown
What colour was the TOP of HEAD ?: White, or pale (grayish-white) · Unknown
How BIG was the bird ?: Crow-sized · Goose-sized
What TYPE of bird was seen ?: Gull-like, or a Seabird
WHERE was the bird seen ?: Northwestern Canada or United States

result:529-slaty-backed-gull:1:1 Source: 529 Slaty-backed Gull, row 1