Chimpanzee

Living naturally: Aspects of wild environments relevant to captive chimpanzee management

Discussion of activity budgets of chimpanzees living in their natural habitat. The animals spend about 50% of the time feeding, 15% of the time resting, less than 15% of the time grooming each other.

Year Published: 1992Animal Type: Chimpanzee, Nonhuman Primate

Citation: Wrangham, R. W. 1992. Living naturally: Aspects of wild environments relevant to captive chimpanzee management. In: Chimpanzee Conservation and Public Health: Environments for the Future. Erwin, J. , Landon, J. C. (eds), 71-81. Diagnon/Bioqual, Rockville, MD.

Quantitatively tested environmental enrichment options for singly-caged nonhuman primates: A review

Compatible companionship has a therapeutic effect on behavioral disorders, providing long- term stimulation of a great variety of species-typical social behavior patterns. Inanimate objects have little impact on behavioral disorders, but some of them provide appropriate means for the expression...

Year Published: 1992Topics: Environmental EnrichmentAnimal Type: Baboon, Capuchin, Chimpanzee, Lemur, Macaque, Marmoset, Nonhuman Primate, Other Nonhuman Primate, Owl Monkey, Squirrel Monkey, Vervet (African Green Monkey)

Citation: Reinhardt, V., Reinhardt, A. 1992. Quantitatively tested environmental enrichment options for singly-caged nonhuman primates: A review. Humane Innovations and Alternatives in Animal Experimentation 6, 374-384.

Long-term use of enrichment for paired and singly caged chimpanzees

Chimpanzees used televisions, balls, and mirrors for 0.27-1.53% of the observation time after several years of exposure to the enrichment items. Television and ball use were significantly higher than mirror use.

Year Published: 1993Topics: Environmental Enrichment, Social Housing & CompanionshipAnimal Type: Chimpanzee, Nonhuman Primate

Citation: Brent, L., Stone, A. M. 1993. Long-term use of enrichment for paired and singly caged chimpanzees. American Journal of Primatology 31, 301 (Abstract).

Training as environmental enrichment for chimpanzees

Results indicated that training can be enriching for [group-housed] chimpanzees by increasing social play and reducing inactivity.

Year Published: 1993Topics: Animal TrainingAnimal Type: Chimpanzee, Nonhuman Primate

Citation: Bloomsmith, M. A., Lambeth, S. P., Laule, G. E. et al. 1993. Training as environmental enrichment for chimpanzees. American Journal of Primatology 30, 299 (Abstract).

Recent findings in chimpanzee well-being research

Some environmental enrichment options for chimpanzees are summarized.

Year Published: 1993Topics: Environmental Enrichment, Welfare AssessmentAnimal Type: Chimpanzee, Nonhuman Primate

Citation: Bloomsmith, M. A. 1993. Recent findings in chimpanzee well-being research . American Zoo and Aquarium Association (AZA) Regional Conference Proceedings, 382-386.

The disappearing ice cube

Ice cubes are distributed across the floor, hidden in high plastic barrels (we call these igloos), tucked into corners of the cages, etc. As the animals come out, the excitement of the hunt starts and continues until the last ice...

Year Published: 1993Animal Type: Chimpanzee, Nonhuman Primate

Citation: Fritz, J., Howell, S. M. 1993. The disappearing ice cube. Laboratory Primate Newsletter 32(1), 8.

Pre-feeding agonism and seasonality in captive groups of chimpanzees (Pan troglodytes)

Enriching the environments of groups of captive chimpanzees by providing a variety of attractive foods (fruit) does not seem to increase tension or lead to increased pre-feeding agonism. Managers should be encouraged to provide a varied diet reflecting the food...

Year Published: 1993Animal Type: Chimpanzee, Nonhuman Primate

Citation: Howell, S. M., Matevia, M., Fritz, J. et al. 1993. Pre-feeding agonism and seasonality in captive groups of chimpanzees (Pan troglodytes). Animal Welfare 2, 153-163.

First steps of enrichment at Lisbon Zoo: Testing the effects of two materials on chimpanzee behavior

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: 1993Topics: Environmental EnrichmentAnimal Type: Chimpanzee, Nonhuman Primate

Citation: Gaspar, A. D. 1993. First steps of enrichment at Lisbon Zoo: Testing the effects of two materials on chimpanzee behavior. ChimpanZoo Conference Proceedings, 26-35.

Psychological wellness for captive chimpanzees: An evaluative program

Authors describe the "Wellness Program" of the Primate Foundation of Arizona (PFA) devoted to producing physically and behaviorally normal chimpanzees. Psychological well-being is a major focus. In this paper, the authors present protocols specific to the provision of stimulation enrichment,...

Year Published: 1993Topics: Environmental Enrichment, Social Housing & Companionship, Welfare AssessmentAnimal Type: Chimpanzee, Nonhuman Primate

Citation: Fritz, J., Howell, S. M. 1993. Psychological wellness for captive chimpanzees: An evaluative program. Humane Innovations and Alternatives in Animal Experimentation 7, 426-434.

Regurgitation and reingestion in a captive chimpanzee (Pan troglodytes)

Our findings suggest that behavioral training [negative/positive reinforcement] coupled with a dietary change [replacing fruit with vegetables and browse] may reduce regurgitation activities.

Year Published: 1993Animal Type: Chimpanzee, Nonhuman Primate

Citation: Morgan, L., Menkhus-Howell, S., Fritz, J. 1993. Regurgitation and reingestion in a captive chimpanzee (Pan troglodytes). Lab Animal 22(8), 42-44.