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Field Guide to Birds of North America
Species Overview
Identification
Behavior
Portrait
Aleutian Tern
Onychoprion aleuticus
Order
CHARADRIIFORMES
Family
Gulls, Terns, Skimmers (Laridae)
Code 4
ALTE
Code 6
ONYALE
ITIS
HEAD
Bill Shape:
Dagger
Eye Color:
Dark brown.
Head pattern:
Eyeline, Capped, Unique pattern
Crown Color:
Black
Forehead Color:
White
Nape Color:
Black
Throat Color:
White
Cere color:
No Data
SPONSORED ADVERTISEMENTS
BODY
Length Range:
33-38 cm (13-15 in)
Weight:
119 g (4.2 oz)
Size:
Medium (9 - 16 in)
Color Primary:
White, Gray
Adult Colors:
Gray upperparts and underparts, white throat, chin, and forehead, black cap.
Juvenile Colors:
Gray and green, Brown overall with faint spotting., White
Underparts:
Pale Gray
Upperparts:
Dark Gray
Back Pattern:
Solid
Belly Pattern:
Solid
Breast Pattern:
Solid
FLIGHT
Flight Pattern:
Strong direct flight with graceful deep wing beats often high above water., Often hovers before dipping into water for food.
Wingspan Range:
74-81 cm (29-32 in)
Wing Shape:
Long-Wings, Tapered-Wings
Tail shape:
Forked Tail
Tail Pattern:
Solid
Upper Tail:
White
Under Tail:
White
Leg Color:
Black
.
Parts of a Standing bird
X
Head Feathers and Markings
X
Parts of a Flying bird
X