Hormones and acoustic communication in anuran amphibians.

Abstract

Circulating hormone levels can mediate changes in the quality of courtship signals by males and/or mate choice by females and may thus play an important role in the evolution of courtship signals. Costs associated with shifts in hormone levels of males, for example, could effectively stabilize directional selection by females on male signals. Alternatively… (More)
DOI: 10.1093/icb/icp027

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