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Prey selection by African wild dogs (Lycaon pictus) in southern Zimbabwe

Published online by Cambridge University Press:  19 January 2004

Alistair Pole ,
Iain J. Gordon ,
Martyn L. Gorman  and
Mairi MacAskill
Alistair Pole
Affiliation:
Macaulay Institute, Craigiebuckler, Aberdeen, AB15 8QH, U.K.
Iain J. Gordon
Affiliation:
Macaulay Institute, Craigiebuckler, Aberdeen, AB15 8QH, U.K.
Martyn L. Gorman
Affiliation:
Department of Zoology, University of Aberdeen, Tillydrone Avenue, Aberdeen, AB24 2TZ, U.K.
Mairi MacAskill
Affiliation:
School of Mathematics and Statistics, St Andrews University, North Haugh, St Andrews, Fife, KY16 9SS, U.K.
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Abstract

This study was an investigation of the diet and of prey selection by a population of African wild dogs Lycaon pictus in the Savé Valley Conservancy (SVC) in the south-east lowveld of Zimbabwe. The diet of the dogs, based on the number of kills for each species located, consisted almost entirely of impala Aepyceras melampus (74%) and kudu Tragelaphus strepsiceros (22%), the two most abundant medium-sized antelope in the area. The level of selection for different prey classes killed by the wild dogs was investigated and it was found that the wild dogs: (1) exhibited strong selection for a number of prey classes on a seasonal basis; (2) selected kudu throughout the year but showed little selection between the other prey species; (3) selected the young of both impala and kudu and selected males at times of the rut. Bone marrow analysis showed that prey killed by the wild dogs on SVC were in poorer condition than unselectively culled individuals suggesting the selection of the weaker individuals in the prey populations.

Type
Research Article
Information
Journal of Zoology , Volume 262 , Issue 2 , February 2004 , pp. 207 - 215
Copyright
2004 The Zoological Society of London

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