Anzeige
Primates often react to possible predators by using intimidation displays, although the occurrence of these displays is dependent on the risk of predation. Functional explanations for these kinds of displays range from sexual selection to predator deterrence. The ability to respond to different predators can be socially acquired, and social traditions could explain population differences in response to the same potential predator.
In this study, wild groups of Cebus apella libidinosus are reported to bang stones to produce sound in a remarkable aggressive display. Six wild groups were observed, suggesting the primary function is a predator-deterrent behaviour. Although banging objects is an innate behaviour in capuchin monkeys, in all wild groups observed so far it has been observed only in a foraging context. Stone banging is a novel behavioural variant that is most likely learned socially. The absence of this display in other populations of capuchins, which have access to stones, suggests that stone banging could be a social tradition in the population studied.
Carla Holmes | Quelle: alphagalileo
Weitere Informationen: www.karger.com
Weitere Nachrichten aus der Kategorie Biowissenschaften Chemie:
Dem Schweiß auf der Spur - Hohenstein Institute optimieren Textilien in Bezug auf Geruch
24.11.2009 | Hohenstein Institute
Mehr Marktanteile, mehr Patente, weniger Krise - die chinesische Chemieindustrie im Aufbruch
24.11.2009 | Gesellschaft Deutscher Chemiker e.V.
Anzeige
Anzeige
Studie liefert Fakten zu Europas Treibhausgasen
24.11.2009 | Studien Analysen
Ursache für aggressive Kinderleukämie geklärt
24.11.2009 | Medizin Gesundheit
Christbäume aus der Region im Agrifinder schnell gefunden
24.11.2009 | Ökologie Umwelt- Naturschutz
Mitteldeutsches Technologentreffen
24.11.2009 | Veranstaltungsnachrichten
24.11.2009 | Veranstaltungsnachrichten
Gemeinsam gegen Grippe: Die deutschen Influenzaforscher treffen sich
24.11.2009 | Veranstaltungsnachrichten