EVOLUTION AND FUNCTION OF ROUTINE TRICHROMATIC VISION IN PRIMATES

@inproceedings{Lucas2003EVOLUTIONAF,
  title={EVOLUTION AND FUNCTION OF ROUTINE TRICHROMATIC VISION IN PRIMATES},
  author={Peter W. Lucas and Nathaniel J. Dominy and Pablo Riba-Hern{\'a}ndez and Kathryn E. Stoner and Nayuta Yamashita and Esteban Lor{\'I}a-Calder{\'o}n and Wanda Petersen-Pereira and Yahaira Rojas-Dur{\'a}n and Ruth Salas-Pena and Silvia Solis-Madrigal and Daniel C. Osorio and Brian W. Darvell},
  booktitle={Evolution; international journal of organic evolution},
  year={2003}
}
Abstract Evolution of the red-green visual subsystem in trichromatic primates has been linked to foraging advantages, namely the detection of either ripe fruits or young leaves amid mature foliage. We tested competing hypotheses globally for eight primate taxa: five with routine trichromatic vision, three without. Routinely trichromatic species ingested leaves that were “red shifted” compared to background foliage more frequently than species lacking this trait. Observed choices were not the… 
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The results suggest that luminance contrast can serve as an important cue in short-range foraging attempts despite other sensory cues that could be available and the advantage of red-green color vision in primates may not be as salient as previously thought.
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It is hypothesized that howlers experience stronger selection against dichromatic phenotypes than other sympatric species, which rely more heavily on cryptic foods, and provides support for the folivory hypothesis of routine trichromacy.
The Behavioral Ecology of Color Vision: Considering Fruit Conspicuity, Detection Distance and Dietary Importance
TLDR
The results are consistent with the hypothesis that long-distance detection of fruit patches exerts a selective pressure on trichromacy in neotropical primates, and suggest that greenish-brownish fruits might have played an underappreciated role in the evolution of primate color vision.
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TLDR
Although the lemur opsin polymorphism produced measurable behavioral effects in at least one species, the ruffed lemur, these effects were modest, consistent with the modest shift in spectral sensitivity, and it is concluded that trichromacy may be only one of several routes toward increased foraging efficiency in visually complex environments.
Ecology and evolution of primate colour vision INVITED REVIEW
TLDR
Comparative studies of mammalian eyes indicate that primates are the only placental mammals that have in their retina a pre-existing neural machinery capable of utilising the signals of an additional spectral type of cone, and the failure of non-primate placental mammal mammals to evolve trichromacy can be explained by constraints imposed on the wiring of retinal neurones.
Ecology and evolution of primate colour vision
  • M. Vorobyev
  • Biology
    Clinical & experimental optometry
  • 2004
TLDR
Comparative studies of mammalian eyes indicate that primates are the only placental mammals that have in their retina a pre‐existing neural machinery capable of utilising the signals of an additional spectral type of cone, and the failure of non‐primate placental mammal to evolve trichromacy can be explained by constraints imposed on the wiring of retinal neurones.
Trichromacy increases fruit intake rates of wild capuchins (Cebus capucinus imitator)
TLDR
It is found that trichromats eat reddish, conspicuous fruits more quickly than do dichromatic (red-green colorblind) groupmates, and fruit foraging plays an important role in the maintenance of primate opsin polymorphism via balancing selection.
Dichromatic vision in a fruit bat with diurnal proclivities: the Samoan flying fox (Pteropus samoensis)
TLDR
The results indicate the uniform presence of two opsins with predicted peak sensitivities of ca.
Color Vision Variation and Foraging Behavior in Wild Neotropical Titi Monkeys (Callicebus brunneus): Possible Mediating Roles for Spatial Memory and Reproductive Status
TLDR
It is proposed that a trichromatic advantage for foraging primates may be realized only when individuals’ energy requirements warrant searching for nonmemorable YOR food patches, a context for selection considerably more limited than is often assumed in explanations of the evolution of primate color vision.
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