Masturbation in a male Phayre's langur, Trachypithecus phayrei

Masturbation is a common auto-sexual behaviour in humans but is not explicitly known in a major portion of non-human primates. We report the first masturbatory behaviour in a male Phayre's langur, Trachypithecus phayrei, observed in a semi-evergreen forest in northea...

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Autores principales:	M. Shalauddin, M. J. Islam, T. Ahmed
Formato:	article
Lenguaje:	EN
Publicado:	Copernicus Publications 2021
Materias:	Biology (General) QH301-705.5 Ecology QH540-549.5
Acceso en línea:	https://doaj.org/article/4df54e95a12446588469ba212af87928
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spelling	oai:doaj.org-article:4df54e95a12446588469ba212af879282021-11-18T08:17:32ZMasturbation in a male Phayre's langur, <i>Trachypithecus phayrei</i>10.5194/pb-8-43-20212363-47072363-4715https://doaj.org/article/4df54e95a12446588469ba212af879282021-11-01T00:00:00Zhttps://pb.copernicus.org/articles/8/43/2021/pb-8-43-2021.pdfhttps://doaj.org/toc/2363-4707https://doaj.org/toc/2363-4715<p>Masturbation is a common auto-sexual behaviour in humans but is not explicitly known in a major portion of non-human primates. We report the first masturbatory behaviour in a male Phayre's langur, <i>Trachypithecus phayrei</i>, observed in a semi-evergreen forest in northeastern Bangladesh. Like other Asian colobines, the multi-male–multi-female groups of the Phayre's langur suggest a multilevel social organization and a complex hierarchy among males. The lack of sexual opportunity could result in masturbation and sperm competition among males. However, sperm competition is reported to be low in such non-seasonal breeders. Hence, we suggest an adequate characterization of the socio-sexual behaviour and reproductive strategies of this globally endangered primate in order to demonstrate the causes, cost and consequences of masturbation. We also urge further scientific exploration into masturbation among primates due to its evolutionary and conservational significance.</p>M. ShalauddinM. J. IslamT. AhmedCopernicus PublicationsarticleBiology (General)QH301-705.5EcologyQH540-549.5ENPrimate Biology, Vol 8, Pp 43-45 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Biology (General) QH301-705.5 Ecology QH540-549.5
spellingShingle	Biology (General) QH301-705.5 Ecology QH540-549.5 M. Shalauddin M. J. Islam T. Ahmed Masturbation in a male Phayre's langur, <i>Trachypithecus phayrei</i>
description	<p>Masturbation is a common auto-sexual behaviour in humans but is not explicitly known in a major portion of non-human primates. We report the first masturbatory behaviour in a male Phayre's langur, <i>Trachypithecus phayrei</i>, observed in a semi-evergreen forest in northeastern Bangladesh. Like other Asian colobines, the multi-male–multi-female groups of the Phayre's langur suggest a multilevel social organization and a complex hierarchy among males. The lack of sexual opportunity could result in masturbation and sperm competition among males. However, sperm competition is reported to be low in such non-seasonal breeders. Hence, we suggest an adequate characterization of the socio-sexual behaviour and reproductive strategies of this globally endangered primate in order to demonstrate the causes, cost and consequences of masturbation. We also urge further scientific exploration into masturbation among primates due to its evolutionary and conservational significance.</p>
format	article
author	M. Shalauddin M. J. Islam T. Ahmed
author_facet	M. Shalauddin M. J. Islam T. Ahmed
author_sort	M. Shalauddin
title	Masturbation in a male Phayre's langur, <i>Trachypithecus phayrei</i>
title_short	Masturbation in a male Phayre's langur, <i>Trachypithecus phayrei</i>
title_full	Masturbation in a male Phayre's langur, <i>Trachypithecus phayrei</i>
title_fullStr	Masturbation in a male Phayre's langur, <i>Trachypithecus phayrei</i>
title_full_unstemmed	Masturbation in a male Phayre's langur, <i>Trachypithecus phayrei</i>
title_sort	masturbation in a male phayre's langur, <i>trachypithecus phayrei</i>
publisher	Copernicus Publications
publishDate	2021
url	https://doaj.org/article/4df54e95a12446588469ba212af87928
work_keys_str_mv	AT mshalauddin masturbationinamalephayreslanguritrachypithecusphayreii AT mjislam masturbationinamalephayreslanguritrachypithecusphayreii AT tahmed masturbationinamalephayreslanguritrachypithecusphayreii
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Masturbation in a male Phayre's langur, <i>Trachypithecus phayrei</i>

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