American Crow vs Carrion Crow

Corvus brachyrhynchos 比較対象 Corvus corone

Side-by-Side Comparison

属性 American Crow Carrion Crow
学名 Corvus brachyrhynchos Corvus corone
Passeriformes Passeriformes
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) 64.8 cm (25.5 in)
体重 450.0 g (15.87 oz) 527.8333333333334 g (18.62 oz)
食性 Highly omnivorous — insects, earthworms, seeds, fruit, eggs, nestlings, carrion, and human food waste. Among … --
一腹卵数 3-7 4-5
Population Trend

Size Comparison

Body Length
American Crow 45.0 cm
Carrion Crow
翼開長
American Crow 99.0 cm
Carrion Crow 64.8 cm
体重
American Crow 450.0 g
Carrion Crow 527.8333333333334 g

Habitat Comparison

共通生息地

American Crow only

None

Carrion Crow only

American Crow

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

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.

Carrion Crow

Geographic Range & Migration

American Crow

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

Carrion Crow

保全状況

Least Concern

American Crow

Least Concern

Carrion Crow

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

Carrion Crow

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。

Carrion Crow

ヨーロッパ・アジアに広く分布するカラス(体長45〜53cm)。光沢のある黒い羽毛が特徴で、ハシボソガラスとハシブトガラスは近縁種で、中間地帯では雑種も見られる。Corvus corone(ハシボソ・ハシブトガラス)は都市から農地まで様々な環境に適応した人間の身近な鳥。Corvidae科。

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