Discrimination of Intermediate Sounds in a Synthetic Call Continuum by Female Green Tree Frogs

Overview

Journal Science

Specialty Science

Date 1978 Mar 10

PMID 628833

Citations 11

Authors

H C Gerhardt

Affiliations

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Abstract

Male Hyla cinerea produce two distinctive calls. Acoustically intermediate calls are rare. Females discriminate between synthetic intermediates that differ by one cycle of amplitude modulation (50 per second). Processing appears to be continuous. The tree frog's auditory system thus provides a wide margin for the discrimination of its two principal signals.

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