Comparing entire colour patterns as birds see them

Endler, John A., and Mielke, Paul W. (2005) Comparing entire colour patterns as birds see them. Biological Journal of the Linnean Society, 86 (4). pp. 405-431.

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Colour patterns and their visual backgrounds consist of a mosaic of patches that vary in colour, brightness, size, shape and position. Most studies of crypsis, aposematism, sexual selection, or other forms of signalling concentrate on one or two patch classes (colours), either ignoring the rest of the colour pattern, or analysing the patches separately. We summarize methods of comparing colour patterns making use of known properties of bird eyes. The methods are easily modifiable for other animal visual systems. We present a new statistical method to compare entire colour patterns rather than comparing multiple pairs of patches. Unlike previous methods, the new method detects differences in the relationships among the colours, not just differences in colours. We present tests of the method's ability to detect a variety of kinds of differences between natural colour patterns and provide suggestions for analysis.

Item ID: 29247
Item Type: Article (Research - C1)
ISSN: 1095-8312
Keywords: animal signals, animal vision, antipredator defence, aposematism, crypsis, predation, sexual selection, visual contrast
Date Deposited: 20 Sep 2013 04:26
FoR Codes: 06 BIOLOGICAL SCIENCES > 0699 Other Biological Sciences > 069999 Biological Sciences not elsewhere classified @ 100%
SEO Codes: 97 EXPANDING KNOWLEDGE > 970106 Expanding Knowledge in the Biological Sciences @ 100%
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