Blue Jay vs Black-headed Jay

Cyanocitta cristata 比較対象 Garrulus lanceolatus

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Side-by-Side Comparison

属性 Blue Jay Black-headed Jay
学名 Cyanocitta cristata Garrulus lanceolatus
Passeriformes Passeriformes
Corvidae Corvidae
保全状況 Least Concern Least Concern
体長 28.0 cm (11.0 in)
翼開長 42.0 cm (16.5 in) 30.5 cm (12.0 in)
体重 87.0 g (3.07 oz) 94.75 g (3.34 oz)
食性 Omnivorous — nuts (especially acorns), seeds, berries, insects, and occasionally eggs or nestlings of other … --
一腹卵数 2-7 3-5
Population Trend
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Size Comparison

Body Length
Blue Jay 28.0 cm
Black-headed Jay
翼開長
Blue Jay 42.0 cm
Black-headed Jay 30.5 cm
体重
Blue Jay 87.0 g
Black-headed Jay 94.75 g
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Habitat Comparison

共通生息地

Blue Jay only

None

Black-headed Jay only

None

Blue Jay

Deciduous and mixed forests, parks, and suburban areas. Highly adaptable to human-modified landscapes.

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Song & Call Comparison

Blue Jay

さえずり

A harsh, ringing 'jaay-jaay-jaay'. Also mimics Red-tailed Hawk and other species convincingly. Gives soft, liquid 'bell' calls and gurgling whispers in flocks.

Black-headed Jay

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Geographic Range & Migration

Blue Jay

Eastern and central North America from southern Canada to the Gulf Coast. Some populations migrate irregularly.

Black-headed Jay

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保全状況

Least Concern

Blue Jay

Least Concern

Black-headed Jay

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How to Tell Them Apart

Blue Jay

羽毛

Bright blue upperparts with black barring on the wings and tail. White face and underparts with a black necklace. Prominent blue crest.

くちばし

Stout, straight black bill

Black-headed Jay

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About These Birds

Blue Jay

アオカケスは鮮やかな羽毛と大きな鳴き声で知られるカラス科の大胆で知能が高い鳥。アオカケスは毎秋数千個のドングリを蓄えることでカシの木の重要な散布者となっている。複雑な社会的行動には、給餌器から他の鳥を追い払うためにタカの声を真似ることも含まれる。

Black-headed Jay

The Black-headed Jay is a medium-sized, boldly patterned jay with a black head and face, gray body, and bright blue-and-white wing markings. It inhabits coniferous and mixed forests of the Himalayas from northern Pakistan through India to Bhutan, typically at elevations between 1,500 and 3,500 meters. It feeds on acorns, seeds, insects, and small vertebrates, and is known to cache food for winter.

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Related Comparisons

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