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How Koalas Live Koalas live in complex social groups and contrary to popular opinion, they are not migratory animals. Koalas are highly territorial and in stable breeding groups, individual members of koala society maintain their own "home range" areas. In this example , 'Arnie' is the dominant male, and his home range, the largest at 1km x 300-400m, and 33 hectares in area, overlaps the home ranges of both males and females. Arnie regularly traverses the area of his home range in a single night during the breeding season. This is a socially secure, stable population.The females are breeding, and most have a weaned juvenile in the vicinity and another pouch young. The home range of each animal fits together like a jigsaw. This illustrates that the habitat supporting this population is ideal for its survival. However, if the available habitat were to be reduced in any way, the potential for survival...

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