- American Crow (Corvus brachyrhynchos) - Fact sheet includes geographic distribution, physical characteristics, natural history, and economic importance.
animaldiversity.ummz.umich.edu/accounts/corvus/c._brachyrhynchos.html
- Crows.net - Language, culture, food, and feeding habits of the American crow, Corvus brachyrhynchos.
www.crows.net
- The American Crow - Devoted to the information, issues, and admiration of Corvus brachyrynchos.
www.corvus.org
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