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American Crow cawing

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American Crow (Corvus brachyrhynchos) cawing to its social group. In winter, American Crows congregate in large numbers to sleep in communal roosts of a few hundred up to two million! Some traditional roosts have been forming in the same area for over 100 years.
Valens Conservation Area. January 26, 2020.
Valens Conservation Area. January 26, 2020.