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dc.contributor.authorMayor, P.
dc.contributor.authorMamani, J.
dc.contributor.authorMontes, D.
dc.contributor.authorGonzález-Crespo, C.
dc.contributor.authorSebastián, M. A.
dc.contributor.authorBowler, Mark
dc.date.accessioned2020-06-29T18:02:31Z
dc.date.available2020-06-29T18:02:31Z
dc.date.issued2015
dc.identifier.issn2054-5703
dc.identifier.doi10.1098/rsos.150145
dc.identifier.urihttp://hdl.handle.net/20.500.12634/453
dc.description.abstractIn 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.
dc.language.isoen
dc.relation.urlhttp://rsos.royalsocietypublishing.org/content/2/7/150145
dc.rights© 2015 The Authors. Published by the Royal Society under the terms of the Creative Commons Attribution License http://creativecommons.org/licenses/by/4.0/, which permits unrestricted use, provided the original author and source are credited.
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectUAKARIS
dc.subjectHEALTH
dc.subjectSKIN
dc.subjectHISTOLOGY
dc.subjectPERU
dc.titleProximate causes of the red face of the bald uakari monkey (Cacajao calvus)
dc.typeArticle
dc.source.journaltitleOpen Science
dc.source.volume2
dc.source.issue7
dc.source.beginpage150145
refterms.dateFOA2020-06-29T18:02:31Z
html.description.abstractIn 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.


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    Works by SDZWA's Conservation Scientists and co-authors. Includes books, book sections, articles and conference publications and presentations.

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© 2015 The Authors. Published by the Royal Society under the terms of the Creative Commons Attribution License http://creativecommons.org/licenses/by/4.0/, which permits unrestricted use, provided the original author and source are credited.
Except where otherwise noted, this item's license is described as © 2015 The Authors. Published by the Royal Society under the terms of the Creative Commons Attribution License http://creativecommons.org/licenses/by/4.0/, which permits unrestricted use, provided the original author and source are credited.