Male mating success in the Omei treefrog (Rhacophorus omeimontis): the influence of body size and age
DOI:
https://doi.org/10.26496/bjz.2011.150Keywords:
sexual selection, age, body size, Rhacophorus omeimontisAbstract
In anuran mate choice, advantaged males are generally known to be larger or older individuals. To test whether male mating success in the foam-nesting treefrog Rhacophorus omeimontis, a species distributed in western China, correlated with body size and age, we analysed differences in body size and age among three types of males. Males were classified as mated, joining or unmated at the time of sampling with joining males being additional males joining pairs in amplexus. Our results showed that there were no significant differences in body size among the three types of males. However, age was an important factor, with mated males being significantly older than joining and unmated males, which indicated that older individuals tended to have greater mating success than younger frogs.References
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