Article
Behavioural evidence of sex-linked colour vision polymorphism in the squirrel monkey Saimiri ustus.
Folia primatologica; international journal of primatology - 1 Jan 2008
Prado Carolina C, Pessoa Daniel M A, Sousa Flavio Luis L, Pessoa Valdir F
Abstract excerpt
Squirrel monkeys, like most Neotropical primates, display a sex-linked colour vision polymorphism. Here we assess the colour perception of 8 Saimiri ustus by a behavioural paradigm using Munsell colour chips as discriminating stimuli. A random variation in brightness assured that discriminations were based on colour rather than brightness cues. Results indicate that all males showed random performances when...
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