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Effect of colour vision status on insect prey capture efficiency of captive and wild tamarins (Saguinus spp.).pdf (279.84 kB)

Effect of colour vision status on insect prey capture efficiency of captive and wild tamarins (Saguinus spp.)

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posted on 2023-08-30, 13:51 authored by Andrew C. Smith, Alison K. Surridge, Mark J. Prescott, Daniel Osorio, Nicholas I. Mundy, Hannah M. Buchanan-Smith
The colour vision polymorphism of most New World primates is a model system to study the function of colour vision. Theories for the evolution of primate trichromacy focus on the efficient detection and selection of ripe fruits and young leaves amongst mature leaves, when trichromats are likely to be better than dichromats. We provide data on whether colour vision status affects insect capture in primates. Trichromatic tamarins (Saguinus spp.) catch more prey than dichromats, but dichromats catch a greater proportion of camouflaged prey than trichromats. The prey caught does not differ in size between the two visual phenotypes. Thus two factors may contribute to the maintenance of genetic polymorphism of middle- to long-wavelength photopigments in Platyrrhines: the advantage in finding fruit and leaves, which supports the maintenance of the polymorphism through a heterozygote advantage, and the dichromats’ exploitation of different (e.g., camouflaged) food, which results in frequency-dependent selection on the different colour vision phenotypes.

History

Refereed

  • Yes

Volume

83

Issue number

2

Page range

479-486

Publication title

Animal Behaviour

ISSN

0003-3472

Publisher

Elsevier

File version

  • Accepted version

Language

  • eng

Legacy posted date

2013-07-29

Legacy creation date

2021-01-25

Legacy Faculty/School/Department

ARCHIVED Faculty of Science & Technology (until September 2018)

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