Article
Early male reproductive advantage, multiple paternity and sperm storage in an amphibian aggregate breeder.
Molecular ecology - 1 Jun 2003
Tennessen J A, Zamudio K R
Abstract excerpt
We tested whether the order in which males encounter females affects reproductive fitness in spotted salamanders (Ambystoma maculatum). Using mating chambers in the field, we allowed one male access to a female before a second male. We then used four microsatellite markers in paternity analyses of the resulting larvae. First males sired a significantly larger number of offspring than second males, suggesting that...
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