Black-footed rock wallaby

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Although Petrogale lateralis is often reffered to as the "West Australian Rock Wallaby", its distribution is clearly not confined to this region. P. lateralis populations can be found in northern South Australia, the southern parts of the Northern Territory, as well as Western Australia. Members of this species, like other rock wallabies, live on rock piles, cliffs, and rocky hills. Their highly specialized feet allow them to move swiftly and safely on steep rocky terrain. They camp near caves or cliffs where they can take shelter, and they are often found in very arid areas where water is scarce. Like all rock wallabies,P lateralis has thick and padded hind feet with granulated soles that provide traction on rocky terrain. Also, unlike other macropods, in the rock wallaby the claw of the fourth toe extends barely (if at all) past the large toe pad. Petrogale lateralis has a thick and soft grey-brown coat. Its face is dark and grey with a light stripe on the cheek. The various sub-species of P. lateralis differ in body markings and size. In most sub-species, females are70-85% the weight of males the same age. Very little information is available for P. lateralis; the following account is based primarily on other wallaby species. All rock-wallaby species breed continually. The gestation period and oestrus cycle of Petrogalespecies, are both about 30 days. As with other marsupials, the new born rock wallabies are very undeveloped and suckle inside their mother's pouch. Unlike other kangaroos and wallabies, young rock wallabies that have left the pouch but are not yet weaned are often left in a sheltered area while their mother goes off to feed. This may be because of the treacherous terrain in which the rock wallabies live.

It's this preference for rocky refuges that has been the key to the wallaby's survival. Much of its surrounding landscape has been cleared for farming, and the rocks have afforded some protection from the foxes and cats that have decimated other Australian mammal populations.Although this rock-wallaby is still quite widespread across its range, habitat destruction, predation by foxes and feral cats, and competition for food and shelter have exacted a terrible toll. Scientists report many local extinctions and the wallaby's distribution is now greatly reduced. The populations that remain are generally small, isolated and at risk of extinction.

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