ECOLOGY AND BEAVIOUR OF THE VERVET MONKEY, CERCOPITHECUS AETHIOPS, LOLUI ISLAND, LAKE VICTORIA

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Abstract

A 1-month survey of the vervet monkeys of Lolui, an uninhabited island of 11 square miles in Lake Victoria, indicated a population size of about 1,500. Reliable counts of 46 groups were made, giving a mean of 12. Age and sex analyses of 18 groups showed a ratio of 1: 1.4 adult males to adult females, 1: 1 for adults and immatures combined.

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