Flexibility in animal signals facilitates adaptation to rapidly changing environments.

Flexibility in animal signals facilitates adaptation to rapidly changing environments.

Charles Darwin posited that secondary sexual characteristics result from competition to attract mates. In male songbirds, specialized vocalizations represent secondary sexual characteristics of particular importance because females prefer songs at specific frequencies, amplitudes, and duration. For...

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Bibliographic Details
Main Authors: Darren S Proppe, Christopher B Sturdy, Colleen Cassady St Clair
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2011-01-01
Series:PLoS ONE
Online Access:http://europepmc.org/articles/PMC3182216?pdf=render

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