Abstract
Female common wall lizards (Podarcis muralis ) typically reproduce annu- ally and lay more than one clutch per season. In this study, we tested whether females store sperm between clutches and between years by manipulating mating opportuni - ties of females through appropriate experiments. Our results revealed that females are definitely unable to store sperm for medium or long-term, suggesting they necessary need to repeatedly mate with males to fertilize their eggs. Finally, by comparing our results to other similar multi-clutched species, we conclude that sperm storage prob- ably does not constitute a selective advantage for species with a promiscuous repro- ductive system based on multiple mating in populations with high densities.
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