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Field Guide to Birds of North America
Species Overview
Identification
Behavior
Portrait
Boreal Owl
Aegolius funereus
Order
STRIGIFORMES
Family
Barn Owls, Typical Owls (Tytonidae & Strigidae)
Code 4
BOOW
Code 6
AEGFUN
ITIS
HEAD
Bill Shape:
Hooked
Eye Color:
Grayish yellow in hatchlings, turning light blue, eventually becoming bright sulfur-yellow in adults.
Head pattern:
Spotted, Unique pattern
Crown Color:
Flat black crown with white spotting.
Forehead Color:
Black with white spots and fluffy white eyebrows and "moustache". White facial disk rimmed in black.
Nape Color:
Black with white spotting.
Throat Color:
Brown with white spotting.
Cere color:
Yellow
SPONSORED ADVERTISEMENTS
BODY
Length Range:
23-25 cm (9-10 in)
Weight:
102 g (3.6 oz)
Size:
Medium (9 - 16 in)
Color Primary:
Brown
Underparts:
White washed with buff-white; belly with thick, vertical brown streaks.
Upperparts:
Dark brown with white spotting.
Back Pattern:
Spotted or speckled, Mottled
Belly Pattern:
Spotted or speckled, Striped or streaked
Breast Pattern:
Spotted or speckled, Striped or streaked
FLIGHT
Flight Pattern:
Short flights., Rapidly beating wings.
Wingspan Range:
51-66 cm (20-26 in)
Wing Shape:
Broad-Wings, Long-Wings
Tail shape:
Rounded Tail
Tail Pattern:
Dark Brown
Upper Tail:
Dark brown with white spotting.
Under Tail:
White
Leg Color:
Off-white to yellow-brown feathered.
.
Parts of a Standing bird
X
Head Feathers and Markings
X
Parts of a Flying bird
X