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Variation and Context of Yawns in Captive Chimpanzees (Pan troglodytes)

Primate yawns are usually categorised according to context (e.g. as a threat, anxious or rest yawn) but there has been little consideration of whether these yawns are best regarded as a unitary behaviour that only differs with respect to the context in which it is observed. This study examined the c...

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Detalles Bibliográficos
Main Authors: Vick, Sarah-Jane, Paukner, Annika
Formato: Artigo
Idioma:Inglês
Publicado: 2010
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Acceso en liña:https://ncbi.nlm.nih.gov/pmc/articles/PMC2936766/
https://ncbi.nlm.nih.gov/pubmed/20014109
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1002/ajp.20781
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