Island Scrub-jay vs Common Raven

Aphelocoma insularis 比較対象 Corvus corax

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Side-by-Side Comparison

属性 Island Scrub-jay Common Raven
学名 Aphelocoma insularis Corvus corax
Passeriformes Passeriformes
Corvidae Corvidae
保全状況 Not Evaluated Least Concern
体長 63.0 cm (24.8 in)
翼開長 130.0 cm (51.2 in)
体重 115.75 g (4.08 oz) 1200.0 g (42.33 oz)
食性 -- Omnivorous and opportunistic — carrion, small animals, insects, eggs, grain, fruit, and human refuse. Among …
一腹卵数 2-5 1-8
Population Trend
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Size Comparison

Body Length
Island Scrub-jay
Common Raven 63.0 cm
翼開長
Island Scrub-jay
Common Raven 130.0 cm
体重
Island Scrub-jay 115.75 g
Common Raven 1200.0 g
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Habitat Comparison

共通生息地

Island Scrub-jay only

None

Common Raven only

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

Island Scrub-jay

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.

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Geographic Range & Migration

Island Scrub-jay

Common Raven

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

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保全状況

Not Evaluated

Island Scrub-jay

Least Concern

Common Raven

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How to Tell Them Apart

Island Scrub-jay

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

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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。

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Related Comparisons

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