Adaptation and plasticity of animal communication in fluctuating environments

Evolution; International Journal of Organic Evolution
Terry J OrdJonathan B Losos

Abstract

Adaptations that facilitate the reception of long-range signals under challenging conditions are expected to generate signal diversity when species communicate in different habitats. Although we have a general understanding of how individual communicating animals cope with conditions influencing signal detection, the extent to which plasticity and evolutionary changes in signal characteristics contribute to interspecific differences in signaling behavior is unclear. We quantified the visual displays of free-living lizards and environmental variables known to influence display detection for multiple species from two separate island radiations. We found evidence of both adaptive evolution and adaptive plasticity in display characteristics as a function of environmental conditions, but plasticity accounted for most of the observed differences in display behavior across species. At the same time, prominent differences between the two island radiations existed in aspects of signaling behavior, unrelated to the environment. Past evolutionary events have therefore played an important role in shaping the way lizards adjust their signals to challenges in present-day environments. In addition to showing how plasticity contributes to inte...Continue Reading

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Citations

Aug 21, 2013·Behavioral Ecology and Sociobiology·Sarah R Partan
Jan 5, 2012·Proceedings of the National Academy of Sciences of the United States of America·Steffen WischmannLaurent Keller
Sep 15, 2012·Biology Letters·Sophie SchusterHenrik Brumm
May 30, 2012·Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences·Todd M FreebergTerry J Ord
May 30, 2012·Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences·Terry J Ord, Joan Garcia-Porta
Feb 23, 2012·The Journal of the Acoustical Society of America·Emilie C Snell-Rood
Mar 29, 2014·BMC Evolutionary Biology·Lizelle J OdendaalJacqueline M Bishop
May 21, 2014·Proceedings of the National Academy of Sciences of the United States of America·David S SteinbergManuel Leal
Aug 4, 2015·Journal of Evolutionary Biology·T J OrdM Hagman
Aug 7, 2012·Journal of Evolutionary Biology·T J Ord
Feb 21, 2018·Evolution; International Journal of Organic Evolution·Malcolm F RosenthalEileen A Hebets
May 26, 2017·Proceedings. Biological Sciences·Henrik Brumm, Sue Anne Zollinger
Dec 27, 2016·Royal Society Open Science·Alison G Ossip-DrahosEmília P Martins

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