Journal
APPLIED ANIMAL BEHAVIOUR SCIENCE
Volume 96, Issue 1-2, Pages 143-152Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.applanim.2005.06.005
Keywords
captive environment; space use; chimpanzees; gorillas; environmental preferences
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Chimpanzees and gorillas are the two most common species of great ape in captive facilities in North America. This study examined patterns of space use by 14 gorillas and six chimpanzees housed in similar non-naturalistic environments at Lincoln Park Zoo in Chicago, IL. The location of each individual was recorded in relation to elements of the environment over a two-year period. These data were compared to volumetric measurements of the enclosures to determine preferences for particular environmental elements. Chimpanzees preferred the highest tier of the enclosure and the gorillas preferred the floor level. Both species showed preferences for doorways, corners and the mesh barriers adjacent to keeper areas. These data supplement data from wild populations of apes and provide information useful for those seeking to design new ape enclosures or renovate existing facilities. (c) 2005 Elsevier B.V. All rights reserved.
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