NIGHT COUNTS OF HARES AND OTHER ANIMALS IN EAST AFRICA |
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Authors: | S K ELTFUNGHAM J E C FLUX |
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Institution: | Nuffield Unit of Tropical Animal Ecology, Queen Elizabeth National Park, Uganda;Ecology Division, Department of Scientific and Industrial Research, Lower Hutt, New Zealand |
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Abstract: | Night counts of hares and other animals were made on a disused airstrip in the Queen Elizabeth National Park, Uganda and on the road between Magadi and Nairobi in Kenya. Lepus crawshayi is the only species of hare which occurs in the Queen Elizabeth Park but L. capensis is also found in Kenya. No regular seasonal fluctuations were found in the number of hares recorded due probably to the continuous breeding of these equatorial species. The number of waterbuck seen in Uganda on moonlit nights was significantly greater than that counted on dark nights. This is not thought to be due to better viewing conditions under a full moon since the phenomenon was not found with other species. The number of hares recorded varied inversely with the number of other mammals present but bore no relationship with the number of birds. It is concluded that night counts can be useful in revealing population trends but not for assessing total numbers or for comparing densities in different areas. |
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