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Side-by-Side Comparison

属性	American Crow	Mariana Crow
学名	Corvus brachyrhynchos	Corvus kubaryi
目	Passeriformes	Passeriformes
科	Corvidae	Corvidae
保护状况	Least Concern	Critically Endangered
体长	45.0 cm (17.7 in)	—
翼展	99.0 cm (39.0 in)	45.3 cm (17.8 in)
体重	450.0 g (15.87 oz)	235.66666666666666 g (8.31 oz)
食性	Highly omnivorous — insects, earthworms, seeds, fruit, eggs, nestlings, carrion, and human food waste. Among …	--
产卵数	3-7	1-4
Population Trend	—	—

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Size Comparison

Body Length

American Crow 45.0 cm

Mariana Crow —

翼展

American Crow 99.0 cm

Mariana Crow 45.3 cm

体重

American Crow 450.0 g

Mariana Crow 235.66666666666666 g

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Habitat Comparison

共同栖息地

🌲 Forest

American Crow only

🌿 Wetland 🏖️ Coastal

Mariana Crow 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.

Mariana Crow

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Geographic Range & Migration

American Crow

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

Mariana Crow

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保护状况

Least Concern

American Crow

Critically Endangered

Mariana Crow

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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

Mariana Crow

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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。

Mariana Crow

马里亚纳鸦（Corvus kubaryi）— 马里亚纳群岛（关岛和罗塔岛）特有的濒危种。全身黑色，栖息于森林。

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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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More Birds to Explore

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Common Raven Corvus corax Palawan Crow Corvus pusillus Ratchet-tailed Treepie Temnurus temnurus Indian Jungle Crow Corvus culminatus All Corvidae birds →

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