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Side-by-Side Comparison

Attribute	Common Raven	Thick-billed Raven
Scientific Name	Corvus corax	Corvus crassirostris
Order	Passeriformes	Passeriformes
Family	Corvidae	Corvidae
Conservation Status	Least Concern	Least Concern
Length	63.0 cm (24.8 in)	—
Wingspan	130.0 cm (51.2 in)	89.4 cm (35.2 in)
Weight	1200.0 g (42.33 oz)	1135.0 g (40.04 oz)
Diet	Omnivorous and opportunistic — carrion, small animals, insects, eggs, grain, fruit, and human refuse. Among …	--
Clutch Size	1-8	4
Population Trend	—	—

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Size Comparison

Body Length

Common Raven 63.0 cm

Thick-billed Raven —

Wingspan

Common Raven 130.0 cm

Thick-billed Raven 89.4 cm

Weight

Common Raven 1200.0 g

Thick-billed Raven 1135.0 g

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Habitat Comparison

Shared Habitats

🌲 Forest

Common Raven only

🏖️ Coastal 🏜️ Desert

Thick-billed Raven only

🌾 Grassland

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

Song

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.

Thick-billed Raven

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Geographic Range & Migration

Common Raven

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

Thick-billed Raven

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Conservation Status

Least Concern

Common Raven

Least Concern

Thick-billed Raven

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How to Tell Them Apart

Common Raven

Plumage

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

Bill

Large, powerful, curved black bill

Thick-billed Raven

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About These Birds

Common Raven

The common raven is among the most intelligent birds, demonstrating tool use, future planning, and social manipulation in scientific studies. In many cultures, ravens feature prominently in mythology as creators, tricksters, or messengers. Their complex vocalizations include over 30 distinct calls.

Thick-billed Raven

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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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