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Science 19 December 2008:
Vol. 322. no. 5909, pp. 1799 - 1800
DOI: 10.1126/science.1168808
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Perspectives

EVOLUTION:
Who's Your Daddy?

Richard O. Prum

The male-only nest care system of some birds may have its evolutionary origins in theropod dinosaur behavior.

Department of Ecology and Evolutionary Biology and Peabody Museum of Natural History, Post Office Box 208105, Yale University, New Haven, CT 06520, USA. E-mail: richard.prum{at}yale.edu

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Science. ISSN 0036-8075 (print), 1095-9203 (online)