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Article

Sexual selection and trichromatic color vision in primates: statistical support for the preexisting-bias hypothesis.

The American naturalist - 1 Jul 2007

Fernandez Andre A, Morris Molly R

Abstract excerpt

The evolution of trichromatic color vision in primates may improve foraging performance as well as intraspecific communication; however, the context in which color vision initially evolved is unknown. We statistically examined the hypothesis that trichromatic color vision in primates represents a preexisting bias for the evolution of red coloration (pelage and/or skin) through sexual selection. Our analyses show...

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PMID: 17853988
DOI: 10.1086/518566

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 6 Sept 2026. Manifest publication-graph-cohort-2026-09-06.1.

Source receipt: pubmed, retrieved 6 Sept 2026.

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