Common Raven vs Black-chested Jay

Corvus corax 比較対象 Cyanocorax affinis

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Side-by-Side Comparison

属性 Common Raven Black-chested Jay
学名 Corvus corax Cyanocorax affinis
Passeriformes Passeriformes
Corvidae Corvidae
保全状況 Least Concern Least Concern
体長 63.0 cm (24.8 in)
翼開長 130.0 cm (51.2 in) 33.6 cm (13.2 in)
体重 1200.0 g (42.33 oz) 206.4 g (7.28 oz)
食性 Omnivorous and opportunistic — carrion, small animals, insects, eggs, grain, fruit, and human refuse. Among … --
一腹卵数 1-8 3-5
Population Trend
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Size Comparison

Body Length
Common Raven 63.0 cm
Black-chested Jay
翼開長
Common Raven 130.0 cm
Black-chested Jay 33.6 cm
体重
Common Raven 1200.0 g
Black-chested Jay 206.4 g
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Habitat Comparison

共通生息地

Common Raven only

Black-chested Jay only

None

Common Raven

Diverse habitats from Arctic tundra to deserts, mountains, forests, and coastlines. Avoids dense urban areas but thrives near human activity.

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Song & Call Comparison

Common Raven

さえずり

Highly varied: deep resonant 'kraa-kraa-kraa', hollow 'tok-tok', liquid 'klonk', and wing-whooshing. Among the most intelligent corvid callers; uses calls contextually in groups.

Black-chested Jay

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Geographic Range & Migration

Common Raven

Holarctic distribution across North America, Europe, Asia, and North Africa. The most widely distributed corvid.

Black-chested Jay

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保全状況

Least Concern

Common Raven

Least Concern

Black-chested Jay

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How to Tell Them Apart

Common Raven

羽毛

All black with a glossy purplish-blue iridescent sheen. Shaggy throat hackles, long wedge-shaped tail, and large robust build distinguish it from crows.

くちばし

Large, powerful, curved black bill

Black-chested Jay

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About These Birds

Common Raven

ワタリガラス(Corvus corax)— 北半球に広く分布する最大のスズメ目の鳥。高い知性をもち、道具を使うことや問題解決能力が知られている。

Black-chested Jay

The Black-chested Jay is a medium-sized, boldly patterned jay of humid lowland forests in Central America and northwestern South America, with a blue body, black head and breast patch, and a white forehead patch. It ranges from Honduras south to Ecuador and Venezuela, inhabiting forest edges, secondary growth, and sometimes gardens. It feeds on fruits, large insects, and occasionally small vertebrates.

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Related Comparisons

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