Slaty-backed Gull

Larus schistisagus

Order

CHARADRIIFORMES

Family

Gulls, Terns, Skimmers (Laridae)

Code 4

SBGU

Code 6

LARSCH

ITIS

HEAD

Bill Shape: All-purpose
Eye Color: Yellow with reddish purple to pink orbital ring.
Head Pattern: Streaked
Crown Color: White
Forehead Color: White
Nape Color: White
Throat Color: White
Cere color: No Data

BODY

Length Range: 64 cm (25 in)
Weight: 1315 g (46.4 oz)
Size: 4. Large (16 - 32 in)
Color Primary: White, Gray
Underparts: White
Upperparts: Dark Gray
Back Pattern: Solid
Belly Pattern: Solid
Breast Pattern: Solid

FLIGHT

Flight Pattern: No Data
Wingspan Range: 147 cm (58 in)
Wing Shape: Broad-Wings
Tail Shape: Squared Tail
Tail Pattern: Solid White
Upper Tail: White
Under Tail: White
Leg Color: Pink

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Bird Call Credits: The Macaulay Library of Natural Sounds at the Cornell Lab of Ornithology. Martyn Stewart, http://www.naturesound.org, Redmond, Washington USA. The reuse or copying of bird calls in this database is strictly forbidden2.

Field Guide to Birds of North America