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A large (41cm length, 86cm wingspan), all-black bird.
Sexes similar, males are on average larger than females. Juveniles are dull black, fluffy and have a blue iris.
 Similar species
Very similar to American Crow and virtually indistinguisable in the field except by range. Slightly smaller than the latter.
Pacific Coast of North America from Puget Sound area north to Gulf of Alaska.
This is a monotypic species.
Beaches and shorelines are the principal forage areas.
Includes stranded fish, shellfish, crabs and mussels; it also searches through refuse containers for suitable food items. It also regularly eats insects, other invertebrates, and various fruits (especially berries). It raids other birds' nests to eat eggs and hatchlings.
Breeding season from April to June. Nests loosely colonial. The bulky nest is made of sticks and placed in a branch fork, tree or shrub. 4-5 eggs are usually laid.
Very varied, and many types of call are made, but the most common are usually described as a high pitched caw and the sound of a cork coming out of a bottle.
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