American CrowCorvus brachyrhynchos
17-21" (43-53 cm). Stocky black bird with stout bill and fan-shaped tail. Smaller Northwestern Crow has hoarser voice; larger Common Raven has wedge-shaped tail.
Familiar caw-caw or caa-caa.
crackoh & bell calls
juvenile nasal calls
calls of family group
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Deciduous growth along rivers and streams; orchards and city parks. Also mixed and coniferous woods, but avoids closed coniferous forests and desert expanses.
Breeds from British Columbia, central interior Canada, and Newfoundland south to southern California, Gulf Coast, and Florida. Winters north to southern Canada.
Intelligent, wary, virtually omnivorous, and with a high reproductive capacity, the American Crow is undoubtedly much more numerous than it was before the arrival of settlers. An opportunist in its feeding, the American Crow consumes a great variety of plant and animal food: seeds, garbage, insects, mice. American Crows are very social and sometimes form large communal roosts in winter with thousands of individuals. They are very aggressive and will often mob and chase away larger birds such as owls and hawks. American Crows are very sensitive to West Nile virus, recently introduced to North America. Most die within one week of infection.
4-6 dull green eggs, spotted with dark brown, in a large mass of twigs and sticks lined with feathers, grass, and rootlets, and placed in a tree.