March 29, 2017

Download Animal Camouflage: Mechanisms and Function by Martin Stevens, Sami Merilaita PDF

By Martin Stevens, Sami Merilaita

Within the final decade, examine at the formerly dormant box of camouflage has complicated speedily, with quite a few reviews hard conventional options, investigating formerly untested theories and incorporating a better appreciation of the visible and cognitive platforms of the observer. utilizing stories of either actual animals and synthetic structures, this publication synthesises the present kingdom of play in camouflage learn and figuring out. It introduces the different sorts of camouflage and the way they paintings, together with heritage matching, disruptive color and obliterative shading. It additionally demonstrates the methodologies used to review them and discusses how camouflage pertains to different matters, fairly with reference to what it could possibly let us know approximately visible conception. the combination of fundamental study and studies exhibits scholars and researchers the place the sector at the moment stands and the place fascinating and significant difficulties stay to be solved, illustrating how the learn of camouflage is probably going to growth sooner or later.

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Extra info for Animal Camouflage: Mechanisms and Function

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E. habitat that varies visually in the scale of patches larger than the size of the animal) will under some conditions be favoured to principally match one patch type (and, by definition, deviate from others) whereas under other conditions to resemble several patch types simultaneously without maximising its match to any single one of them. Thus, the outcome of natural selection for background matching is expected to be either a specialisation to one patch type or compromise between different patch types.

Stevens and S. Merilaita, published by Cambridge University Press. C Cambridge University Press 2011. 1 Drawings adapted from the artwork by Hugh Cott, illustrating the use of eye-stripes to conceal the eyes of (a) a plains viscacha (vizcacha in Cott 1940; Lagostomus maximus), (b) the frog Rana sphenocephala. (c) Coincident colours on the leg and body of the frog Rana temporaria that create false contours running across the two body parts. ) with which the dark eye blends. Here the mechanism is one of reduced conspicuousness of the eye (relative to the head) rather than a disruption of eye shape.

Cantor, A. 2008. Testing Thayer’s hypothesis: can camouflage work by distraction? Biology Letters, 4, 648–650. , Stoddard, M. C. & Higham, J. P. 2009a. Studying primate color: towards visual system dependent methods. International Journal of Primatology, 30, 893–917. , Winney, I. , Cantor, A. & Graham, J. 2009b. Object outline and surface disruption in animal camouflage. Proceedings of the Royal Society, Series B, 276, 781–786. Stoddard, M. C. & Stevens, M. 2010. Pattern mimicry of host eggs by the common cuckoo, as seen through a bird’s eye.

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