Skelhorn, J., Rowland, H.M., Speed, M. P., De Wert, L., Quinn, L., Delf, J. and Ruxton, G.D. (2010) Size-dependent misclassification of masquerading prey. Behavioral Ecology, 21(6), pp. 1344-1348. (doi: 10.1093/beheco/arq159)
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Publisher's URL: http://dx.doi.org/10.1093/beheco/arq159
Abstract
Masquerading organisms appear to closely resemble inedible and generally inanimate objects, such as twigs, leaves, stones, and bird droppings. It has recently been demonstrated that masquerading prey gain protection from predation by being misclassified as inedible objects by their predators. Here, we present the first experimental test of the requirements of effective masquerade. Specifically, we explore whether masquerading prey need to be very similar in size to the GÇ£modelGÇ¥ objects that they appear to resemble. Using domestic chicks as predators of twig-mimicking caterpillars, we find that matching a model object in size increases protection from predation; however, similarity of appearance without size matching still affords some protection. This study helps to explain why masquerading prey often resemble objects that are inherently variable in size (e.g., twigs, leaves, and stones) and has important implications for the evolution of masquerade as an antipredator defense
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Skelhorn, Dr John and De Wert, Ms Leoni and Ruxton, Professor Graeme and Rowland, Dr Hannah |
| Authors: | Skelhorn, J., Rowland, H.M., Speed, M. P., De Wert, L., Quinn, L., Delf, J., and Ruxton, G.D. |
| College/School: | College of Medical Veterinary and Life Sciences > School of Biodiversity, One Health & Veterinary Medicine |
| Journal Name: | Behavioral Ecology |
| ISSN: | 1045-2249 |
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