Chimpanzee

Space use and proximity of captive chimpanzees (Pan troglodytes) mother/offspring pairs

Results confirmed the importance of vertical cage dimension and suggested the provision of horizontal substrates above the enclosure floor is important.

Year Published: 1994Animal Type: Chimpanzee, Nonhuman Primate

Citation: Goff, C., Howell, S. M., Fritz, J. et al. 1994. Space use and proximity of captive chimpanzees (Pan troglodytes) mother/offspring pairs. Zoo Biology 13, 61-68.

Object manipulation in Lisbon Zoo chimpanzees: A contribution to the discussion of the psychological well-being in captive animals

The provision of manipulable objects [plastic bricks, items of clothing] led to a significant reduction of aggression, visitor-directed and self-directed behaviors and activity.

Year Published: 1994Animal Type: Chimpanzee, Nonhuman Primate

Citation: Gaspar, A. D. 1994. Object manipulation in Lisbon Zoo chimpanzees: A contribution to the discussion of the psychological well-being in captive animals. Analise Psicologica 4, 27-40.

The prevention of environmentally caused injury in captive chimpanzees (Pan troglodytes) at the Primate Foundation of Arizona (PFA)

Enrichment items are thoroughly examined for potential hazards.

Year Published: 1994Topics: Environmental EnrichmentAnimal Type: Chimpanzee, Nonhuman Primate

Citation: Murphy, J. 1994. The prevention of environmentally caused injury in captive chimpanzees (Pan troglodytes) at the Primate Foundation of Arizona (PFA). The Newsletter 6(2), 3.

The Detroit Zoo Chimpanzees Pan troglodytes: exhibit design, group composition and the process of group formation

All adults were introduced to each other first through mesh and then physically. ... Before all physical introductions, the Chimpanzees involved were fed double their normal morning rations and then fed a single ration ten minutes prior to the start...

Year Published: 1994Animal Type: Chimpanzee, Nonhuman Primate

Citation: McDonald, S. 1994. The Detroit Zoo Chimpanzees Pan troglodytes: exhibit design, group composition and the process of group formation. International Zoo Yearbook 33, 235-247.

Enrichment in a hostile environment

The purpose of this article is to illustrate how recycled, throw-away, and donated materials have been used creatively at little cost for the daily enrichment of chimpanzees.

Year Published: 1994Topics: Environmental EnrichmentAnimal Type: Chimpanzee, Nonhuman Primate

Citation: Lindsey, J. 1994. Enrichment in a hostile environment. In Touch 1(3), 1 & 3-4.

Traditional handling procedures of laboratory nonhuman primates are an intrinsic source of distress: What can be done?

With some professional expertise and goodwill, there should be no real need to resort to forceful restraint when doing research with nonhuman primates.

Year Published: 1994Topics: Animal Training, RestraintAnimal Type: Baboon, Capuchin, Chimpanzee, Lemur, Macaque, Marmoset, Nonhuman Primate, Other Nonhuman Primate, Owl Monkey, Squirrel Monkey, Vervet (African Green Monkey)

Citation: Reinhardt, V. 1994. Traditional handling procedures of laboratory nonhuman primates are an intrinsic source of distress: What can be done? In Touch 1(4), 1 & 6-7.

Enrichment options: Food pods and mesh feeders

Food pods are a recent innovation and are constructed primarily of PVC tubing whish, in turn, is fastened to nets or firehose. The object is to extract foods which have been placed in the tubes via internalized, gorilla-proof, access seals....

Year Published: 1994Topics: Environmental EnrichmentAnimal Type: Chimpanzee, Nonhuman Primate, Other Nonhuman Primate

Citation: Sutherland, R. 1994. Enrichment options: Food pods and mesh feeders. Animal Keepers' Forum 21(9), 315-316.

Documenting positive reinforcement training for chimpanzee urine collection

The mean duration of training time to the first collection and to reach reliable performance were 66 minutes and 237 minutes respectively in group-housed animals. [Training protocol is not described.]

Year Published: 1994Animal Type: Chimpanzee, Nonhuman Primate

Citation: Stone, A. M., Bloomsmith, M. A., Laule, G. E. et al. 1994. Documenting positive reinforcement training for chimpanzee urine collection. American Journal of Primatology 33, 242 (Abstract).

Causes of body rocking in chimpanzees (Pan troglodytes)

The development of rocking may be prevented if the babies are left with the mother and in their social group. Rocking after (late) separation may be prevented when transfer takes place together with familiar peers.

Year Published: 1994Animal Type: Chimpanzee, Nonhuman Primate

Citation: Spijkerman, R. P., Dienske, H., van Hooff, J. A. R. A. M. et al. 1994. Causes of body rocking in chimpanzees (Pan troglodytes). Animal Welfare 3, 193-211.

Wounding aggression during the formation and maintenance of captive, multimale chimpanzee groups

Based on a 14-year survey of one facility, the incidence of injuries resulting from aggression during and after group formation of chimpanzees is assessed and its managerial implications discussed. There is more wounding and more severe wounding in groups composed...

Year Published: 1995Animal Type: Chimpanzee, Nonhuman Primate

Citation: Alford, P. L., Bloomsmith, M. A., Keeling, M. E. et al. 1995. Wounding aggression during the formation and maintenance of captive, multimale chimpanzee groups. Zoo Biology 14, 347-359.