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1 August 2017 Acoustic Analysis of Novel Female Calls in Japanese Pond Frogs, Pelophylax nigromaculatus and Pelophylax porosus brevipodus
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Abstract

In most frogs, males emit calls in the reproductive seasons, whereas females usually do not emit calls. Females of only several frog species have been known to vocalize. I here report female vocalization in two ranid species, Pelophylax nigromaculatus and P. porosus brevipodus in their overlapping reproductive season. Females of these species called in both intraspecific and interspecific interactions. There were no clear differences in acoustic characteristics of female calls between the two species or between interspecific and intraspecific interactions. Based on the situations in which females called, it is implied that functions of the female calls of P. nigromaculatus and P. p. brevipodus are quite different from those of female calls in frogs hitherto reported.

© 2017 by The Herpetological Society of Japan
Makoto M. Itoh "Acoustic Analysis of Novel Female Calls in Japanese Pond Frogs, Pelophylax nigromaculatus and Pelophylax porosus brevipodus," Current Herpetology 36(2), 135-141, (1 August 2017). https://doi.org/10.5358/hsj.36.135
Accepted: 1 July 2017; Published: 1 August 2017
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