
Order: Passeriformes, Family: Corvidae
Common Raven
Corvus corax
A massive, all-black passerine bird known for its intelligence, heavy curved bill, wedge-shaped tail in flight, and acrobatic flight displays.
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Plumage & appearance
Entirely glossy black plumage with iridescent purple, blue, or green sheen under bright light. Throat feathers (hackles) are long and shaggy. Sexes look alike, though males are typically slightly larger.
Key field marks
Massive heavy bill, shaggy throat feathers, wedge-shaped tail in flight, and noticeably larger size than crows.
Size & weight
Length: 54-67 cm (21-26 inches), Wingspan: 115-150 cm (45-59 inches), Weight: 690-1,700 g (1.5-3.7 lbs)
Voice — call & song
A wide variety of vocalizations, most commonly a deep, resonant, hoarse croak or gurgling sound.
Diet & foraging
Opportunistic omnivore. Feeds on carrion, small mammals, amphibians, reptiles, insects, seeds, fruit, and human garbage.
Habitat
Extremely adaptable, inhabiting tundra, deserts, conifer forests, grasslands, marine cliffs, and mountainous regions.
Migration & movement
Permanent resident; non-migratory across most of its range, though young birds may disperse.
Nesting & breeding
Builds large stick nests on cliffs, tall trees, or man-made structures. Lays 3 to 7 eggs, typically breeding in late winter or early spring.
Similar species
American Crow, which is significantly smaller, has a shorter, less heavy bill, and a squared-off tail rather than a wedge-shaped tail.
Ecological significance
Acts as an important scavenger, helping recycle nutrients by cleaning up carrion. Also aids in seed dispersal.
Conservation status
Least Concern (IUCN), with populations increasing or stable in many areas.
Observation tips
Look for them soaring high on thermals, listening for their deep croaking calls, or scanning open country and mountainous areas.
Interesting facts
Ravens are among the most intelligent of all birds, capable of using tools, solving complex puzzles, and mimicking human speech.
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