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Cited by 203

The DOI matches its Crossref record; 4 of the 4 references it cites were found in a registry or an index.

Selection for Social Signalling Drives the Evolution of Chameleon Colour Change

Open access
Stuart-Fox, Devi, Moussalli, Adnan·2008·PLoS Biology

Abstract

Rapid colour change is a remarkable natural phenomenon that has evolved in several vertebrate and invertebrate lineages. The two principal explanations for the evolution of this adaptive strategy are (1) natural selection for crypsis (camouflage) against a range of different backgrounds and (2) selection for conspicuous social signals that maximise detectability to conspecifics, yet minimise exposure to predators because they are only briefly displayed. Here we show that evolutionary shifts in capacity for colour change in southern African dwarf chameleons (Bradypodion spp.) are associated with increasingly conspicuous signals used in male contests and courtship. To the chameleon visual system, species showing the most dramatic colour change display social signals that contrast most against the environmental background and amongst adjacent body regions. We found no evidence for the crypsis hypothesis, a finding reinforced by visual models of how both chameleons and their avian predators perceive chameleon colour variation. Instead, our results suggest that selection for conspicuous social signals drives the evolution of colour change in this system, supporting the view that transitory display traits should be under strong selection for signal detectability.

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Crossref · 10.1371/journal.pbio.0060025

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Metadata

Authors
Stuart-Fox, D., & Moussalli, A.
Venue
PLoS Biology
Published
2008-01-29
Volume
6
Issue
1
Pages
e25
ISSN
  • 1544-9173 (ISSN-L)
  • 1545-7885
OpenAlex
W2086518553
Cited by
203
References
4
FWCI
11.32
Type
journal article
Language
en
Open access
gold

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