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Side-by-Side Comparison

属性	Common Raven	Mariana Crow
学名	Corvus corax	Corvus kubaryi
目	Passeriformes	Passeriformes
科	Corvidae	Corvidae
保全状況	Least Concern	Critically Endangered
体長	63.0 cm (24.8 in)	—
翼開長	130.0 cm (51.2 in)	45.3 cm (17.8 in)
体重	1200.0 g (42.33 oz)	235.66666666666666 g (8.31 oz)
食性	Omnivorous and opportunistic — carrion, small animals, insects, eggs, grain, fruit, and human refuse. Among …	--
一腹卵数	1-8	1-4
Population Trend	—	—

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Size Comparison

Body Length

Common Raven 63.0 cm

Mariana Crow —

翼開長

Common Raven 130.0 cm

Mariana Crow 45.3 cm

体重

Common Raven 1200.0 g

Mariana Crow 235.66666666666666 g

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Habitat Comparison

共通生息地

🌲 Forest

Common Raven only

🏜️ Desert 🏖️ Coastal

Mariana Crow only

None

Common Raven

Diverse habitats from Arctic tundra to deserts, mountains, forests, and coastlines. Avoids dense urban areas but thrives near human activity.

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Song & Call Comparison

Common Raven

さえずり

Highly varied: deep resonant 'kraa-kraa-kraa', hollow 'tok-tok', liquid 'klonk', and wing-whooshing. Among the most intelligent corvid callers; uses calls contextually in groups.

Mariana Crow

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Geographic Range & Migration

Common Raven

Holarctic distribution across North America, Europe, Asia, and North Africa. The most widely distributed corvid.

Mariana Crow

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保全状況

Least Concern

Common Raven

Critically Endangered

Mariana Crow

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How to Tell Them Apart

Common Raven

羽毛

All black with a glossy purplish-blue iridescent sheen. Shaggy throat hackles, long wedge-shaped tail, and large robust build distinguish it from crows.

くちばし

Large, powerful, curved black bill

Mariana Crow

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About These Birds

Common Raven

ワタリガラス（Corvus corax）— 北半球に広く分布する最大のスズメ目の鳥。高い知性をもち、道具を使うことや問題解決能力が知られている。

Mariana Crow

マリアナガラス（Corvus kubaryi）— マリアナ諸島（グアムおよびロタ島）固有の絶滅危惧種。全身黒く森林に生息する。

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Related Comparisons

Common Raven vs American Crow

same-family

Common Raven vs Great Horned Owl

look-alike

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More Birds to Explore

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

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