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Visual Ecology$
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Thomas W. Cronin, Sönke Johnsen, N. Justin Marshall, and Eric J. Warrant

Print publication date: 2014

Print ISBN-13: 9780691151847

Published to Princeton Scholarship Online: October 2017

DOI: 10.23943/princeton/9780691151847.001.0001

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Signals and Camouflage

Signals and Camouflage

(p.313) 13 Signals and Camouflage
Visual Ecology

Thomas W. Cronin

Sönke Johnsen

N. Justin Marshall

Eric J. Warrant

Princeton University Press

This chapter talks about how vision serves many purposes, two of the most important being predation and reproduction. Therefore, it is not surprising that a diverse assemblage of species have evolved clever ways to hide themselves and equally clever ways to signal information to both conspecifics and heterospecifics. Camouflage is usually used either to avoid being eaten or to improve the chances of getting within striking range before being detected, although it can also be seen in conspecific interactions. Signals are used to communicate with conspecifics, most often for reproductive and social purposes, and to either lure heterospecifics or warn them of chemical or other defenses. Both camouflage and signals often need to function in a number of different optical environments and against visual systems with varying abilities.

Keywords:   camouflage, signals, predation, reproduction, vision, conspecifics, heterospecifics, optical environments, visual systems

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