Dichromatic vision in a fruit bat with diurnal proclivities: the Samoan flying fox (Pteropus samoensis)

@article{Melin2014DichromaticVI,
  title={Dichromatic vision in a fruit bat with diurnal proclivities: the Samoan flying fox (Pteropus samoensis)},
  author={Amanda D Melin and Christina F. Danosi and Gary F McCracken and Nathaniel J Dominy},
  journal={Journal of Comparative Physiology A},
  year={2014},
  volume={200},
  pages={1015-1022}
}
A nocturnal bottleneck during mammalian evolution left a majority of species with two cone opsins, or dichromatic color vision. Primate trichromatic vision arose from the duplication and divergence of an X-linked opsin gene, and is long attributed to tandem shifts from nocturnality to diurnality and from insectivory to frugivory. Opsin gene variation and at least one duplication event exist in the order Chiroptera, suggesting that trichromatic vision could evolve under favorable ecological… CONTINUE READING

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