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- Title
Observation of Ground Roosting by American Crows.
- Authors
Shoemaker, Cory M.; Phillips, Richard S.
- Abstract
Communal winter roosts of American Crows (Corvus brachyrhynchos) often occur in urban areas and may number in the thousands of individuals. We documented the distribution of urban roosts of American Crows in central Ohio and, on 12 January 2010, we observed a roost of ~2,500 individuals with ~25O-3OO birds roosting on the ground. The ground roosting birds remained stationary for the entire observation period of ~45 min indicating this location was not a stopover site. This behavior may increase thermoregulatory benefits during cold nights assuming decreased predation threats in urban environments. We suggest urban ground roosting behavior by crows may be adaptive in colder environments.
- Subjects
OHIO; CORVUS brachyrhynchos; CROWS; CORVUS; BIRDS
- Publication
Wilson Journal of Ornithology, 2011, Vol 123, Issue 1, p185
- ISSN
1559-4491
- Publication type
Article
- DOI
10.1676/10-025.1