There are certainly advantages to be gained by animals which are kept in captivity. Many zoos and safari parks employ veterinary surgeons to ensure that necessary medical attention is always available for the animals. In addition, nutrition experts are employed, so the animals have a ready supply of food appropriate to their needs. All of this means that life expectancy, for some creatures at least, is longer in captivity than in the wild; for example, wild squirrels live for an average of three years, whereas their captive counterparts live to be twelve years old. Nowadays, wildlife habitats are being encroached upon or destroyed at incredible rates; zoos and safari parks offer safe environments for animals which might otherwise have
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