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Side-by-Side Comparison

属性	American Crow	Azure Jay
学名	Corvus brachyrhynchos	Cyanocorax coeruleus
目	Passeriformes	Passeriformes
科	Corvidae	Corvidae
保全状況	Least Concern	Near Threatened
体長	45.0 cm (17.7 in)	—
翼開長	99.0 cm (39.0 in)	39.1 cm (15.4 in)
体重	450.0 g (15.87 oz)	272.0 g (9.59 oz)
食性	Highly omnivorous — insects, earthworms, seeds, fruit, eggs, nestlings, carrion, and human food waste. Among …	--
一腹卵数	3-7	4
Population Trend	—	—

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Size Comparison

Body Length

American Crow 45.0 cm

Azure Jay —

翼開長

American Crow 99.0 cm

Azure Jay 39.1 cm

体重

American Crow 450.0 g

Azure Jay 272.0 g

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Habitat Comparison

共通生息地

🌲 Forest

American Crow only

🌿 Wetland 🏖️ Coastal

Azure Jay only

None

American Crow

Extremely adaptable — found in farmland, open woodland, suburban neighborhoods, parking lots, and urban parks.

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Song & Call Comparison

American Crow

さえずり

Classic 'caw-caw-caw' repeated in series. Family groups use distinct dialects. Also gives rattling, knocking, and a short 'cah' flight call. Highly social and vocal.

Azure Jay

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Geographic Range & Migration

American Crow

North America from southern Canada through the United States to northern Mexico.

Azure Jay

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保全状況

Least Concern

American Crow

Near Threatened

Azure Jay

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How to Tell Them Apart

American Crow

羽毛

All black with a slight glossy sheen. Squared-off tail and smooth throat distinguish it from the common raven.

くちばし

Straight, sturdy black bill smaller than a raven's

Azure Jay

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About These Birds

American Crow

北米全域に広く分布する大型のカラス（体長40〜53cm）。全身光沢のある黒で、知性が高く強い社会性を持つ。Corvus brachyrhynchos（アメリカガラス）は北米で最もよく見られるカラスで、交通量の多い道路に堅い木の実を置いて車に割らせる「道具使用」が観察されている。Corvidae科。

Azure Jay

The Azure Jay is a Near Threatened corvid endemic to the Atlantic Forest of Brazil and Argentina, weighing about 272g with a wingspan of 39.1cm. It is one of the largest and most striking blue jays, with uniformly vivid azure plumage. It lives in small social groups and feeds on fruit, invertebrates, and small vertebrates.

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Related Comparisons

Common Raven vs American Crow

same-family

Keel-billed Toucan vs American Crow

look-alike

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