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Hunting Activity Among Naturalistically Housed Chimpanzees (Pan troglodytes) at the Fundació Mona (Girona, Spain). Predation, Occasional Consumption and Strategies in Rehabilitated Animals.

Llorente M, Riba D, Mosquera M, Ventura M, Feliu O - Animals (Basel) (2012)

Bottom Line: The evidence of group predation involved the chimpanzees adopting different roles as pursuers and ambushers.Prey was partially eaten in some cases, but not in the social episode.This study confirms that naturalistic environments allow chimpanzees to enhance species-typical behavioral patterns.

View Article: PubMed Central - PubMed

Affiliation: Unitat de Recerca i Laboratori d'Etologia, Fundació Mona, Carretera de Cassà km4, Riudellots de la Selva, 17457 Girona, Spain. mllorente@fundacionmona.org.

ABSTRACT
Predatory behavior in wild chimpanzees and other primates has been well documented over the last 30 years. However, as it is an opportunistic behavior, conditions which may promote such behavior are left up to chance. Until now, predatory behavior among captive chimpanzees has been poorly documented. In this paper, we present five instances providing evidence of predatory behavior: four performed by isolated individuals and one carried out in cooperation. The evidence of group predation involved the chimpanzees adopting different roles as pursuers and ambushers. Prey was partially eaten in some cases, but not in the social episode. This study confirms that naturalistic environments allow chimpanzees to enhance species-typical behavioral patterns.

No MeSH data available.


The hunting strategy employed by the FM chimpanzees during the H1 episode.
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animals-02-00363-f001: The hunting strategy employed by the FM chimpanzees during the H1 episode.

Mentions: This episode was recorded on 19 January 2007. It started at 17:10. Four chimpanzees took an active part in the predation: two juvenile females, one young male and one juvenile male (Figure 1). A rabbit (Oryctolagus cuniculus) came into the enclosure by chance. It was finally captured by the four chimpanzees after two attempts in which the hunters took on different roles in the action. The first attempt was made by three chimpanzees (one juvenile male and two juvenile females). The male (Bongo) pursued the prey while the females (Sara and Waty) positioned themselves for an ambush to block the rabbit’s escape route and to capture the animal (Figure 1). The second attempt was performed by all four chimpanzees (one young male, one juvenile male and two juvenile females). One of them (Juanito) performed the role of pursuer while the others (Waty, Sara and Bongo) set up an ambush in a semicircular position, blocking and capturing the prey. Once the hunting episode was finished, the other three chimpanzees joined the group: one adult female (Romie), one adult male (Toto) and one young male (Nico). All the individuals gathered around the rabbit, which was taken by its hind legs by the oldest chimpanzee (Toto) and beaten once against the ground with one fatal blow. Immediately, a sequence of exploration and brutal play behaviors started among the five juvenile and young individuals (Figure 2). The prey was not consumed, although some individuals tried to bite it.


Hunting Activity Among Naturalistically Housed Chimpanzees (Pan troglodytes) at the Fundació Mona (Girona, Spain). Predation, Occasional Consumption and Strategies in Rehabilitated Animals.

Llorente M, Riba D, Mosquera M, Ventura M, Feliu O - Animals (Basel) (2012)

The hunting strategy employed by the FM chimpanzees during the H1 episode.
© Copyright Policy - open-access
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC4494286&req=5

animals-02-00363-f001: The hunting strategy employed by the FM chimpanzees during the H1 episode.
Mentions: This episode was recorded on 19 January 2007. It started at 17:10. Four chimpanzees took an active part in the predation: two juvenile females, one young male and one juvenile male (Figure 1). A rabbit (Oryctolagus cuniculus) came into the enclosure by chance. It was finally captured by the four chimpanzees after two attempts in which the hunters took on different roles in the action. The first attempt was made by three chimpanzees (one juvenile male and two juvenile females). The male (Bongo) pursued the prey while the females (Sara and Waty) positioned themselves for an ambush to block the rabbit’s escape route and to capture the animal (Figure 1). The second attempt was performed by all four chimpanzees (one young male, one juvenile male and two juvenile females). One of them (Juanito) performed the role of pursuer while the others (Waty, Sara and Bongo) set up an ambush in a semicircular position, blocking and capturing the prey. Once the hunting episode was finished, the other three chimpanzees joined the group: one adult female (Romie), one adult male (Toto) and one young male (Nico). All the individuals gathered around the rabbit, which was taken by its hind legs by the oldest chimpanzee (Toto) and beaten once against the ground with one fatal blow. Immediately, a sequence of exploration and brutal play behaviors started among the five juvenile and young individuals (Figure 2). The prey was not consumed, although some individuals tried to bite it.

Bottom Line: The evidence of group predation involved the chimpanzees adopting different roles as pursuers and ambushers.Prey was partially eaten in some cases, but not in the social episode.This study confirms that naturalistic environments allow chimpanzees to enhance species-typical behavioral patterns.

View Article: PubMed Central - PubMed

Affiliation: Unitat de Recerca i Laboratori d'Etologia, Fundació Mona, Carretera de Cassà km4, Riudellots de la Selva, 17457 Girona, Spain. mllorente@fundacionmona.org.

ABSTRACT
Predatory behavior in wild chimpanzees and other primates has been well documented over the last 30 years. However, as it is an opportunistic behavior, conditions which may promote such behavior are left up to chance. Until now, predatory behavior among captive chimpanzees has been poorly documented. In this paper, we present five instances providing evidence of predatory behavior: four performed by isolated individuals and one carried out in cooperation. The evidence of group predation involved the chimpanzees adopting different roles as pursuers and ambushers. Prey was partially eaten in some cases, but not in the social episode. This study confirms that naturalistic environments allow chimpanzees to enhance species-typical behavioral patterns.

No MeSH data available.