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Ibáñez, A., Marzal, A., López, P., & Martín, J. (2012). Boldness and body size of male spanish terrapins affect their responses to chemical cues of familiar and unfamiliar males. Behavioral Ecology and Sociobiology, (online first). 
Added by: Admin (06 Jan 2014 18:22:52 UTC)
Resource type: Journal Article
DOI: 10.1007/s00265-012-1473-6
BibTeX citation key: Ibez2012a
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Categories: General
Keywords: Geoemydidae, Mauremys leprosa, Schildkröten - turtles + tortoises, Verhalten - ethology
Creators: Ibáñez, López, Martín, Marzal
Collection: Behavioral Ecology and Sociobiology
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Views index: 13%
Popularity index: 3.25%
Abstract     
Recognition and avoidance of conspecifics based on chemical cues could reduce the risk of aggressive interactions between males. Success in agonistics encounters with unfamiliar males should be lower than with previously known familiar males. Then, males should avoid the chemicals from unfamiliar males with respect to those from familiar males. However, boldness and size could affect the outcome of encounters between males and, consequently, the response to chemical cues of conspecific males. We compared the time spent by male turtles Mauremys leprosa in water pools with chemical stimuli from unfamiliar or familiar males or with their own chemical stimuli. We also performed a behavioral test to estimate boldness of turtles in an antipredatory situation. Turtles avoided the chemicals from unfamiliar males respect to familiar ones and their own odors, but their responses depended on boldness and size of the tested turtle. Bold turtles avoided water with chemicals of unfamiliar males, but not with chemicals of familiar males, whereas shy turtles avoided chemicals of both familiar and unfamiliar males. On the other hand, large males avoided the odor from unfamiliar males, but small males did not avoid water with the odor from other males. Results suggest that male M. leprosa can detect chemicals released to water from conspecific males and discriminate between familiar and unfamiliar males. However, responses to these chemicals depended on boldness and body size of the responding turtle because these factors may affect intrasexual competition.
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