Reproductive traits of the gray ratsnake,Ptyas korros,from three geographically distinct populations
【摘要】:正We collected gravid gray rat snakes(Ptyas korros) from three geographically distinct populations in China,Chenzhou(CZ),Jiangshan(JS) and Dinghai(DH),to study geographical variation in female reproductive traits.Egg-laying dates differed among the three populations such that at the
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