Discrimination of signal carotenoid content using multidimensional chromatic information

Thomas W Pike and Anna LindholmHandling Editor

Behavioral Ecology, 2018, vol. 29, issue 1, 87-92

Abstract: Coloration based on carotenoid pigments is common among vertebrates, and often used by females to assess male quality. However, carotenoid coloration may covary with other aspects of a male’s phenotype, making it unclear what females are basing their choice on. Here, I presented female sticklebacks with virtual males that differed exclusively in their coloration, and found they use perceived variation in the concentration of carotenoids in male’s signals to inform their choice.

Keywords: astaxanthin; courtship; multicomponent signal; virtual stimuli (search for similar items in EconPapers)
Date: 2018
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