American Crow vs Thick-billed Raven

Corvus brachyrhynchos в сравнении с Corvus crassirostris

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Side-by-Side Comparison

Характеристика American Crow Thick-billed Raven
Научное название Corvus brachyrhynchos Corvus crassirostris
Отряд Passeriformes Passeriformes
Семейство Corvidae Corvidae
Охранный статус Least Concern Least Concern
Длина 45,0 cm (17.7 in)
Размах крыльев 99,0 cm (39.0 in) 89,4 cm (35.2 in)
Масса 450,0 g (15.87 oz) 1135,0 g (40.04 oz)
Питание Highly omnivorous — insects, earthworms, seeds, fruit, eggs, nestlings, carrion, and human food waste. Among … --
Размер кладки 3-7 4
Population Trend
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Size Comparison

Body Length
American Crow 45,0 cm
Thick-billed Raven
Размах крыльев
American Crow 99,0 cm
Thick-billed Raven 89,4 cm
Масса
American Crow 450,0 g
Thick-billed Raven 1135,0 g
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Habitat Comparison

Общие среды обитания

American Crow only

Thick-billed Raven only

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

Пение

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.

Thick-billed Raven

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Geographic Range & Migration

American Crow

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

Thick-billed Raven

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Охранный статус

Least Concern

American Crow

Least Concern

Thick-billed Raven

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How to Tell Them Apart

American Crow

Оперение

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

Клюв

Straight, sturdy black bill smaller than a raven's

Thick-billed Raven

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About These Birds

American Crow

The American crow is one of North America's most familiar and intelligent birds. Research has shown they can recognize individual human faces and communicate perceived threats to other crows. They form large winter roosts of up to hundreds of thousands of individuals in some cities.

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Related Comparisons

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