This shy wallaby lives in groups of ten to one hundred individuals (3). They tend to feed at night in open areas on grasses, fruit, leaves and various herbs. They rarely drink, deriving most of the water they need from their diet (3). They also conserve water by taking refuge from the heat of the day in rocky caves (2). They are most active in the early evening when they leave their shelters (3). Individuals typically reach sexual maturity at one to two years of age, after which time breeding can be continuous, but depends on the rainfall. Female black-footed rock wallabies show embryonic diapause, which means that the development of the embryo can cease temporarily until the environmental conditions become suitable for it to complete its development (2). The gestation period lasts about 30 days, and the newly born rock-wallabies, like most young marsupials, are initially very poorly developed and suckle for a time inside the mother's pouch (3). Other wallabies and kangaroos tend to stay with their young continuously until they have weaned, but black-footed rock-wallaby mothers often leave their offspring in a sheltered place while they go to feed. It is thought that this may be a safe option, considering the treacherous rocky terrain in which this species lives (3).
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