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Field Guide to Birds of North America
Species Overview
Identification
Behavior
Portrait
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:
Plain, Streaked
Crown Color:
White
Forehead Color:
White
Nape Color:
White
Throat Color:
White
Cere color:
No Data
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BODY
Length Range:
64 cm (25 in)
Weight:
1694 g (59.78 oz)
Size:
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:
Alternates several rapid wing beats with short glides.
Wingspan Range:
142-147 cm (56-58 in)
Wing Shape:
Broad-Wings
Tail shape:
Squared Tail
Tail Pattern:
Solid
Upper Tail:
White
Under Tail:
White
Leg Color:
Pink
.
Parts of a Standing bird
X
Head Feathers and Markings
X
Parts of a Flying bird
X