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Science 17 April 1981:
Vol. 212. no. 4492, pp. 351 - 353
DOI: 10.1126/science.7209536
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Articles

Science, Vol 212, Issue 4492, 351-353
Copyright © 1981 by American Association for the Advancement of Science

articles

Multiple paternity in Belding's ground squirrel litters

J Hanken and PW Sherman

Sexually receptive female Spermophilus beldingi (Rodentia: Sciuridae) usually mate with several different males. The paternity of 27 litters born in 1977 and 1978 was ascertained by combining field observations of mating with laboratory paternity exclusion analyses. Most of the litters (78 percent) were multiply sired, usually by two or three males. This may be the highest frequency of multiple paternity ever directly demonstrated in a natural population.


THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
Territoriality and male reproductive success in arctic ground squirrels.
E. A. Lacey and J. R. Wieczorek (2001)
Behav. Ecol. 12, 626-632
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Science. ISSN 0036-8075 (print), 1095-9203 (online)