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Science 18 February 1977:
Vol. 195. no. 4279, pp. 691 - 693
DOI: 10.1126/science.195.4279.691
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Articles

Pleistocene Avifaunas and the Overkill Hypothesis

DONALD K. GRAYSON 1

1 Department of Anthropology, University of Washington, Seattle 98195

At the end of the North American Pleistocene, birds and mammals suffered comparable degrees of generic extinction. Both the magnitude and pattern of avian extinction are incompatible with the hypothesis that humans played a major role in causing the demise of numerous North American mammalian genera at this time.

Submitted on October 20, 1976


THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
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Geology 34, 685-688
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Biogeography.
D.R. Stoddart (1978)
Progress in Physical Geography 2, 514-528
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