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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
保护状况	Least Concern	Near Threatened
体长	45.0 cm (17.7 in)	—
翼展	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 …	--
产卵数	3-7	4
Population Trend	—	—

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Size Comparison

Body Length

American Crow 45.0 cm

Azure Jay —

翼展

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

共同栖息地

🌲 Forest

American Crow only

🌿 Wetland 🏖️ Coastal

Azure Jay only

无

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

鸣唱

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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保护状况

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.

喙

Straight, sturdy black bill smaller than a raven's

Azure Jay

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About These Birds

American Crow

美洲乌鸦（学名Corvus brachyrhynchos）是北美最常见、最广为人知的智慧鸟类之一。研究表明乌鸦能记住人脸，并在鸟类中表现出最高水平的工具使用能力。体全黑，成群活动。属鸦科（Corvidae），杂食性，高度适应人类环境。

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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