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Proximate causes of the red face of the bald uakari monkey (Cacajao calvus)

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dc.contributor.author Mayor, P.
dc.contributor.author Mamani, J.
dc.contributor.author Montes, D.
dc.contributor.author Gonzalez-Crespo, C.
dc.contributor.author Sebastian, M. A.
dc.contributor.author Bowler, M.
dc.date.accessioned 2019-02-06T14:53:40Z
dc.date.available 2019-02-06T14:53:40Z
dc.date.issued 2015
dc.identifier.uri https://hdl.handle.net/20.500.12866/5445
dc.description.abstract In social species, such as primates, facial appearances transmit a variety of social signals. Although it is suggested that the intense red colour of the face of the bald uakari monkey might be an indicator of health, this hypothesis still has not been verified. This study describes the histological structure of the skin of the face in the bald uakari, compared with other non-red neotropical primates, to better understand the maintenance of its colour. The facial skin of the bald uakari monkey is characterized by a thinner epidermis, absence of melanin pigments and a high density of vascular capillaries that spread below the epidermis. These vascular capillaries are larger and more tortuous than in other neotropical primates. The skin of the face of the bald uakari monkey allows a direct external assessment of haematological status, suggesting that the colour of the face would be an honest indicator of health, but could also signal sexual or behavioural states. en_US
dc.language.iso eng
dc.publisher Royal Society Publishing
dc.relation.ispartof urn:issn:2054-5703
dc.rights info:eu-repo/semantics/restrictedAccess
dc.rights.uri https://creativecommons.org/licenses/by-nc-nd/4.0/deed.es
dc.subject Cacajao calvus en_US
dc.subject coloration en_US
dc.subject face en_US
dc.subject health indicator en_US
dc.subject uakari en_US
dc.title Proximate causes of the red face of the bald uakari monkey (Cacajao calvus) en_US
dc.type info:eu-repo/semantics/article
dc.identifier.doi https://doi.org/10.1098/rsos.150145
dc.subject.ocde https://purl.org/pe-repo/ocde/ford#3.02.00 es_PE


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