Black-flanked Rock-wallaby
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The Black-flanked Rock-wallaby (Petrogale lateralis), also known as the Black-footed Rock-wallaby or Warru, is a kind of wallaby, one of several rock-wallabies in the genus Petrogale.

The Black-flanked Rock-wallaby is a rather wary animal, with black and grey colouration to blend in with its rocky surroundings, later to lighten in colour during summer. It has short, thick, woolly fur that is particularly dense around the base of the tail, rump and flanks. Its long, brushy tail is quite useful for retaining balance as they hop from one rock to another, and the soles of its feet are highly textured to prevent slipping.

This wallaby lives in groups of 10-100 individuals. It usually feeds at night in open areas such as grasses, where it can also find fruit, leaves and a variety of herbs. Because most of its water comes from its diet, it rarely drinks and can conserve water by taking refuge from the heat in rocky caves. It is most active when it leaves its shelter at early-evening. Individuals reach sexual maturity at 1-2 years of age, after which time breeding is continuous, depending on rainfall. Females show embryonic diapause; the development of the embryo can cease temporarily until environmental conditions become more suitable for its development to complete. The gestation period lasts around 30 days, and like other young marsupials, the young are poorly developed and suckle inside the mother's pouch until they are ready to leave. Unlke other kangaroos and wallabies, mothers leave their young in a sheltered place while they feed.

Predation by introduced foxes and feral cats, habitat damage caused by sheep, goats and rabbits and alteration of fire regimes have caused the population to decline. Several sites where populations occur are protected, and a recovery plan is underway. Fox control has been established at several sites.

http://en.wikipedia.org/wiki/Black-flanked_Rock-wallaby

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