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Competition between American Crows and Red-Tailed Hawks for a Carcass: Flock Advantage

William Langley
Transactions of the Kansas Academy of Science (1903-)
Vol. 104, No. 1/2 (Apr., 2001), pp. 28-30
Stable URL: http://www.jstor.org/stable/3628087
Page Count: 3
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Competition between American Crows and Red-Tailed Hawks for a Carcass: Flock Advantage
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Abstract

During the winter, large birds such as crows and hawks may compete at animal carcasses for food. Carcasses were placed along county roads to measure competition. American crows in a flock of 20-30 were more likely to out-compete red-tailed hawks at road kills than were crows in flocks of 4-6 birds.

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