Detection of Fruit and the Selection of Primate Visual Pigments for Color Vision

Osorio, Daniel; Smith, Andrew C.; Vorobyev, Misha; Buchanan‐Smith, Hannah M.

doi:10.1086/425332

Cited by 181 publications

(156 citation statements)

References 69 publications

(84 reference statements)

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“…Although we have not found significant relationships between these broad vision types and facial colour pattern complexity (results not shown), two main types of information are critically needed to incorporate the potential role of visual systems in the evolution of facial colour patterns. The first is the integration of detailed information on the visual system of Neotropical primates [47][48][49][50] with metrics of the visual environment experienced by species. These data may help elucidate if other environmental factors not measured here have also influenced the evolution of facial colour pattern complexity.…”

Section: Discussionmentioning

confidence: 99%

Adaptive evolution of facial colour patterns in Neotropical primates

2012

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The rich diversity of primate faces has interested naturalists for over a century. Researchers have long proposed that social behaviours have shaped the evolution of primate facial diversity. However, the primate face constitutes a unique structure where the diverse and potentially competing functions of communication, ecology and physiology intersect, and the major determinants of facial diversity remain poorly understood. Here, we provide the first evidence for an adaptive role of facial colour patterns and pigmentation within Neotropical primates. Consistent with the hypothesis that facial patterns function in communication and species recognition, we find that species living in smaller groups and in sympatry with a higher number of congener species have evolved more complex patterns of facial colour. The evolution of facial pigmentation and hair length is linked to ecological factors, and ecogeographical rules related to UV radiation and thermoregulation are met by some facial regions. Our results demonstrate the interaction of behavioural and ecological factors in shaping one of the most outstanding facial diversities of any mammalian lineage.

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Section: Discussionmentioning

confidence: 99%

Adaptive evolution of facial colour patterns in Neotropical primates

2012

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“…We used a log form of a model of avian visual processing, based on evidence that noise arising in the photoreceptors limits the discrimination ability of the observer [34,40] (see electronic supplementary material for detailed methods). The model predicts when an observer, such as a bird, should be able to discriminate between two objects based on colour (chromatic variation) [34] or luminance ('perceived lightness') [41].…”

Section: (D) Visual Modellingmentioning

confidence: 99%

Visual mimicry of host nestlings by cuckoos

et al. 2011

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Coevolution between antagonistic species has produced instances of exquisite mimicry. Among broodparasitic cuckoos, host defences have driven the evolution of mimetic eggs, but the evolutionary arms race was believed to be constrained from progressing to the chick stage, with cuckoo nestlings generally looking unlike host young. However, recent studies on bronze-cuckoos have confounded theoretical expectations by demonstrating cuckoo nestling rejection by hosts. Coevolutionary theory predicts reciprocal selection for visual mimicry of host young by cuckoos, although this has not been demonstrated previously. Here we show that, in the eyes of hosts, nestlings of three bronze-cuckoo species are striking visual mimics of the young of their morphologically diverse hosts, providing the first evidence that coevolution can select for visual mimicry of hosts in cuckoo chicks. Bronze-cuckoos resemble their own hosts more closely than other host species, but the accuracy of mimicry varies according to the diversity of hosts they exploit.

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“…Research conducted in recent years has greatly advanced our understanding of the distribution and evolution of primate colour vision. References to the now numerous original articles on these topics can be found in several recent reviews (Regan et al 2001;Osorio et al 2004;Jacobs 2007Jacobs , 2008.…”

Section: Review Evolution Of Colour Vision In Mammals G H Jacobs 2961mentioning

confidence: 99%

Evolution of colour vision in mammals

Jacobs

2009

Phil. Trans. R. Soc. B

278

228

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Colour vision allows animals to reliably distinguish differences in the distributions of spectral energies reaching the eye. Although not universal, a capacity for colour vision is sufficiently widespread across the animal kingdom to provide prima facie evidence of its importance as a tool for analysing and interpreting the visual environment. The basic biological mechanisms on which vertebrate colour vision ultimately rests, the cone opsin genes and the photopigments they specify, are highly conserved. Within that constraint, however, the utilization of these basic elements varies in striking ways in that they appear, disappear and emerge in altered form during the course of evolution. These changes, along with other alterations in the visual system, have led to profound variations in the nature and salience of colour vision among the vertebrates. This article concerns the evolution of colour vision among the mammals, viewing that process in the context of relevant biological mechanisms, of variations in mammalian colour vision, and of the utility of colour vision.

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Detection of Fruit and the Selection of Primate Visual Pigments for Color Vision

Cited by 181 publications

References 69 publications

Adaptive evolution of facial colour patterns in Neotropical primates

Adaptive evolution of facial colour patterns in Neotropical primates

Visual mimicry of host nestlings by cuckoos

Evolution of colour vision in mammals

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