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Side-by-Side Comparison

属性	American Crow	Bismarck Crow
学名	Corvus brachyrhynchos	Corvus insularis
目	Passeriformes	Passeriformes
科	Corvidae	Corvidae
保全状況	Least Concern	Least Concern
体長	45.0 cm (17.7 in)	—
翼開長	99.0 cm (39.0 in)	62.5 cm (24.6 in)
体重	450.0 g (15.87 oz)	486.0 g (17.14 oz)
食性	Highly omnivorous — insects, earthworms, seeds, fruit, eggs, nestlings, carrion, and human food waste. Among …	--
一腹卵数	3-7	--
Population Trend	—	—

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Size Comparison

Body Length

American Crow 45.0 cm

Bismarck Crow —

翼開長

American Crow 99.0 cm

Bismarck Crow 62.5 cm

体重

American Crow 450.0 g

Bismarck Crow 486.0 g

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Habitat Comparison

共通生息地

🌲 Forest

American Crow only

🌿 Wetland 🏖️ Coastal

Bismarck Crow 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.

Bismarck Crow

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Geographic Range & Migration

American Crow

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

Bismarck Crow

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保全状況

Least Concern

American Crow

Least Concern

Bismarck 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.

くちばし

Straight, sturdy black bill smaller than a raven's

Bismarck Crow

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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。

Bismarck Crow

The Bismarck Crow is a glossy black crow endemic to the Bismarck Archipelago and adjacent islands in Papua New Guinea. Like other crows, it is highly intelligent and omnivorous, feeding on carrion, fruits, invertebrates, and small vertebrates. It inhabits forest, forest edges, and coastal areas.

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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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