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Contrasting responses to novelty by wild and captive orangutans.
Forss, Sofia I F; Schuppli, Caroline; Haiden, Dominique; Zweifel, Nicole; van Schaik, Carel P.
Afiliación
  • Forss SI; Anthropological Institute and Museum, University of Zürich, Zürich, Switzerland.
  • Schuppli C; Anthropological Institute and Museum, University of Zürich, Zürich, Switzerland.
  • Haiden D; Anthropological Institute and Museum, University of Zürich, Zürich, Switzerland.
  • Zweifel N; Anthropological Institute and Museum, University of Zürich, Zürich, Switzerland.
  • van Schaik CP; Anthropological Institute and Museum, University of Zürich, Zürich, Switzerland.
Am J Primatol ; 77(10): 1109-21, 2015 Oct.
Article en En | MEDLINE | ID: mdl-26119509
Several studies have suggested that wild primates tend to behave with caution toward novelty, whereas captive primates are thought to be less neophobic, more exploratory, and more innovative. However, few studies have systematically compared captive and wild individuals of the same species to document this "captivity effect" in greater detail. Here we report the responses of both wild and captive orangutans to the same novel items. Novel objects were presented to wild orangutans on multiple platforms placed in the canopy and equipped with motion-triggered video cameras. The same and different novel objects were also presented to orangutans in two different zoos. The results demonstrate extreme conservatism in both Bornean and Sumatran wild orangutans, who gradually approached the novel objects more closely as they became familiar, but avoided contact with them over many encounters spanning several months. Their zoo-living conspecifics, in contrast, showed an immediate neophilic response. Our results thus confirm the "captivity effect." To the various ecological explanations proposed before (reduced risk and increased time and energy balance for captive individuals relative to wild ones), we add the social information hypothesis, which claims that individuals confronted with novel items preferentially rely on social cues whenever possible. This caution toward novelty disappears when human caretakers become additional role models and can also be eroded when all experience with novelty is positive.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Pongo pygmaeus / Conducta Exploratoria / Pongo abelii / Habituación Psicofisiológica / Animales Salvajes / Animales de Zoológico Límite: Animals / Humans Idioma: En Revista: Am J Primatol Año: 2015 Tipo del documento: Article País de afiliación: Suiza Pais de publicación: Estados Unidos
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Pongo pygmaeus / Conducta Exploratoria / Pongo abelii / Habituación Psicofisiológica / Animales Salvajes / Animales de Zoológico Límite: Animals / Humans Idioma: En Revista: Am J Primatol Año: 2015 Tipo del documento: Article País de afiliación: Suiza Pais de publicación: Estados Unidos