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Translocation and introduction of the Zanzibar red colobus monkey: success and failure with an endangered island endemic

Published online by Cambridge University Press:  24 April 2009

Thomas T. Struhsaker  and
Kirstin S. Siex
Thomas T. Struhsaker
Affiliation:
Department of Biological Anthropology, Duke University, PO Box 90383 Durham, NC 27708–0383, USA. E-mail: [email protected]
Kirstin S. Siex
Affiliation:
Department of Biological Anthropology, Duke University, PO Box 90383 Durham, NC 27708–0383, USA. E-mail: [email protected]
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Abstract

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The Zanzibar red colobus Procolobus kirkii is one of Africa's most endangered primates, with only c. 1500–2000 individuals remaining in the wild. The authors made preliminary surveys of three areas where this monkey was translocated or introduced in the 1970s and 1980s. It appears that only one of these releases was successful. A total of 67 animals were caught and translocated or introduced (including four that died during the process). Thirteen to 20 years later, 62–70 red colobus were located at the three sites; i. e. there had been no net gain in colobus numbers as a result of the translocations and introduction. One attempt apparently failed because of insufficient habitat, and another perhaps because of insufficient numbers ofcolobus or an imbalance in the age and sex composition of animals released. The one successful translocation involved moving a fairly large number of monkeys (36) into a forest with a relatively high diversity of tree species. In light of these findings, the authors recommend that far more attention be given to protecting the monkeys and their habitat where they currently exist, rather than spend time and money on translocations that are as likely to fail as to succeed.

Type
Research Article
Information
Oryx , Volume 32 , Issue 4 , October 1998 , pp. 277 - 284
Copyright
Copyright © Fauna and Flora International 1998

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