Title
Parentage analyses suggest female promiscuity and a disadvantage for athletic males in the colour-polymorphic lizard **Podarcis melisellensis**Parentage analyses suggest female promiscuity and a disadvantage for athletic males in the colour-polymorphic lizard **Podarcis melisellensis**
Author
Faculty/Department
Faculty of Sciences. Biology
Research group
Evolutionary ecology group (EVECO)
Functional Morphology
Publication type
article
Publication
Berlin,
Subject
Psychology
Chemistry
Biology
Source (journal)
Behavioral ecology and sociobiology. - Berlin
Volume/pages
68(2014):8, p. 1357-1366
ISSN
0340-5443
ISI
000339728500014
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
Although laboratory measurements of whole-animal performance have become a standard tool in evolutionary biology, if and how interindividual variation in performance translates into differential fitness remains poorly understood. Particularly rare are studies that have connected performance to mating and reproductive success in the field. In this study, we use DNA microsatellite parentage analyses to study the fitness gradient in a colour-polymorphic lizard, Podarcis melisellensis. We report on two surprising findings. First, contrary to our expectations, individual sprint speed and bite force capacity correlated negatively, not positively, with male mating and reproductive success. Second, we found an unexpected degree of promiscuity in females. Also, contrary to traditional parental investment theory, the variation in mating success and reproductive success was as high in females as in males. Our results call for a better integration of whole-animal performance and life history traits, and for a reconsideration of the ideas on the likeliness of sexual selection acting on female phenotypes.
E-info
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