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8 - Camouflage and visual perception

Published online by Cambridge University Press:  05 June 2012

By
Tom Troscianko ,
Christopher P. Benton ,
P. George Lovell ,
David J. Tolhurst  and
Zygmunt Pizlo
Edited by
Martin Stevens  and
Sami Merilaita
Tom Troscianko
Affiliation:
University of Bristol
Christopher P. Benton
Affiliation:
University of Bristol
P. George Lovell
Affiliation:
University of St Andrews
David J. Tolhurst
Affiliation:
University of Cambridge
Zygmunt Pizlo
Affiliation:
Purdue University
Martin Stevens
Affiliation:
University of Cambridge
Sami Merilaita
Affiliation:
Åbo Akademi University, Finland
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Summary

The visual sense is very useful to many animals. It allows the detection and identification of distant objects. The properties of visual systems vary considerably between different animals (e.g. Walls 1942; Autrum et al. 1973; Weckstrom & Laughlin 1995; Bowmaker & Hunt 2006), but the main issues concern the directional sensitivity (acuity) of the system; the light levels under which it operates; the field of view, including any areas of binocular overlap; the extent to which specific features such as spectral or motion information are extracted from the visual environment; and the spatial and temporal characteristics of sampling the environment.

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Type
Chapter
Information
Animal Camouflage
Mechanisms and Function
 , pp. 118 - 144
Publisher: Cambridge University Press
Print publication year: 2011

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