Environmental Enrichment

Chimpanzee invent enrichment devices: A brief anecdotal report

Two young, single-housed chimpanzees created their own swings - one a spinning swing, the other a conventional swing - with strips of their blankets.

Year Published: 1991Topics: Environmental EnrichmentAnimal Type: Chimpanzee, Nonhuman Primate

Citation: Kennedy, K. 1991. Chimpanzee invent enrichment devices: A brief anecdotal report. Laboratory Primate Newsletter 30(3), 15.

Enrichment toys and tools in recent trials

When toys were left with an animal for several days, the individual became accustomed to and desinterested in the toy.

Year Published: 1991Topics: Environmental EnrichmentAnimal Type: Macaque, Nonhuman Primate

Citation: Hamilton, P. 1991. Enrichment toys and tools in recent trials. Humane Innovations and Alternatives in Animal Experimentation 5, 272-277 .

A system for documentation and assessment of behavioral responses of chimpanzees to environmental enrichment

A monitoring system for evaluation of environmental enrichment options is outlined.

Year Published: 1991Topics: Environmental EnrichmentAnimal Type: Chimpanzee, Nonhuman Primate

Citation: Metz, B., Weld, K., Erwin, J. 1991. A system for documentation and assessment of behavioral responses of chimpanzees to environmental enrichment. American Journal of Primatology 24, 123 (Abstract).

Nonhuman Primate Management Plan

Thorough discussion of environmental enrichment options and a survey of 56 investigators and five veterinarians regarding the status of housing and management procedures of nonhuman primates at NIH.

Year Published: 1991Topics: Environmental Enrichment, Housing, Husbandry & ManagementAnimal Type: Nonhuman Primate

Citation: National Institutes of Health 1991. Nonhuman Primate Management Plan. Office of Animal Care and Use, Bethesda, MD.

Environmental enrichment for primates in captivity: A review

Review of early enrichment studies.

Year Published: 1991Topics: Environmental EnrichmentAnimal Type: Nonhuman Primate

Citation: Riviello, M. C., Misiti, A. 1991. Environmental enrichment for primates in captivity: A review. International Journal of Anthropology 6, 251 (Abstract).

An alternative method for primate perch installation

Modification of squeeze cages is described allowing the installation of a perch that does not interfere with the normal operation of the cage.

Year Published: 1991Topics: Environmental Enrichment, HousingAnimal Type: Capuchin, Macaque, Marmoset, Nonhuman Primate, Owl Monkey, Squirrel Monkey, Vervet (African Green Monkey)

Citation: Reinhardt, V., Pape, R. 1991. An alternative method for primate perch installation. Lab Animal 20(8), 47-48.

Learning from the wild: Improving the psychological and physical well-being of captive primates

Environmental enrichment options for Gorillas and Tamarins are described and discussed.

Year Published: 1991Topics: Environmental EnrichmentAnimal Type: Nonhuman Primate, Other Nonhuman Primate

Citation: Redshaw, M. E., Mallinson, J. J. C. 1991. Learning from the wild: Improving the psychological and physical well-being of captive primates. Dodo, Journal of the Wildlife Preservation Trust 27, 18-26.

Normalizing laboratory-reared rhesus macaque (Macaca mulatta) behavior with exposure to complex outdoor enclosures

Young group-housed animals housed in the outdoor corncrib also showed a decline in self-oral behaviour which persisted even upon return to the laboratory environment.Abstract of this work has been published in:American Journal of Primatology 18: 158, 1989; Novak MA, O'Neill...

Year Published: 1991Topics: Environmental EnrichmentAnimal Type: Macaque, Nonhuman Primate

Citation: O'Neill, P. L., Novak, M. A., Suomi, S. J. 1991. Normalizing laboratory-reared rhesus macaque (Macaca mulatta) behavior with exposure to complex outdoor enclosures. Zoo Biology 10, 237-245.

Environmental enrichment objects and singly housed rhesus monkeys: Individual preferences and the restoration of novelty

We found that the extent of physical contact with the [Kong toy, Nylabone ring and Nylabone ball] toys habituated during a short time. ... The introduction of a different toy every Monday was accompanied by a restoration of the apparent...

Year Published: 1991Topics: Environmental EnrichmentAnimal Type: Macaque, Nonhuman Primate

Citation: Weick, B. G., Perkins, S. E., Burnett, D. E. et al. 1991. Environmental enrichment objects and singly housed rhesus monkeys: Individual preferences and the restoration of novelty. Contemporary Topics in Laboratory Animal Science 30(5), 18 (Abstract).

A built-in perch for primate squeeze cages

Perch installation design for single squeeze-back cages is described. Independent of gender the monkeys were seen using their perches more than 84% of the time.

Year Published: 1991Topics: Environmental EnrichmentAnimal Type: Nonhuman Primate

Citation: Watson, D. S. B. 1991. A built-in perch for primate squeeze cages. Laboratory Animal Science 41, 378-379.