Allman, John and Rosin, Aaron and Kumar, Roshan and Hasenstaub, Andrea (1998) Parenting and survival in anthropoid primates: Caretakers live longer. Proceedings of the National Academy of Sciences of the United States of America, 95 (12). pp. 6866-6869. ISSN 0027-8424. http://resolver.caltech.edu/CaltechAUTHORS:ALLpnas98
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Most anthropoid primates are slow to develop, their offspring are mostly single births, and the interbirth intervals are long. To maintain a stable population, parents must live long enough to sustain the serial production of a sufficient number of young to replace themselves while allowing for the death of offspring before they can reproduce. However, in many species there is a large differential between the sexes in the care provided to offspring. Therefore, we hypothesize that in slowly developing species with single births, the sex that bears the greater burden in the care of offspring will tend to survive longer. Males are incapable of gestating infants and lactating, but in several species fathers carry their offspring for long periods. We predict that females tend to live longer than males in the species where the mother does most or all of the care of offspring, that there is no difference in survival between the sexes in species in which both parents participate about equally in infant care, and that in the species where the father does a greater amount of care than the mother, males tend to live longer. The hypothesis is supported by survival data for males and females in anthropoid primate species.
|Additional Information:||Copyright © 1998 by the National Academy of Sciences Edited by Masakazu Konish, California Institute of Technology, Pasadena, CA, and approved April 1, 1998 (received for review December 15, 1997) This paper was submitted directly (Track II) to the Proceedings office. We thank the anonymous reviewers for their helpful comments. This research was supported by the Hixon Fund and by a grant from the Howard Hughes Medical Institute Undergraduate Biological Science Education Program. The publication costs of this article were defrayed in part by page charge payment. This article must therefore be hereby marked "advertisement" in accordance with 18 U.S.C. §1734 solely to indicate this fact.|
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|Deposited On:||07 Jan 2006|
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