The Herpetological Journal is the Society's prestigious quarterly scientific journal. Articles are listed in Biological Abstracts, Current Awareness in Biological Sciences,Current Contents, Science Citation Index, and Zoological Record.
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Authors: Marcio Martins
Abstract: The reproductive behaviour of the Smith Frog, Hyla Jaber, was studied in an artificial permanent pond in southeastern Brazil. Males. built nests at the edges of this pond where eggs were laid. Reproductive activity continued from late October, 1988 through early March, 1989. Twenty five males and 20 females were marked at the pond. There was no sexual dimorphism in size and females did not choose the larger males. Mean male residency was 15.5 nights; only two females were observed for more than one night. Three different vocalizations were emitted during female attraction and courtship. Courtship behaviour was complex and nearly invariable. Male reproductive success varied between 1 -7 matings and was not correlated with male size, but was positively correlated with length of residency. Only one female was observed mating more than once. Except for minor details, the reproductive behaviour of the Smith Frog is very similar to that observed for Hyla rosenbergi, an ecologically and phylogenetically related species.