Wombat
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They are mammals.
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The Biggest Animals Kingdom and in The World | Wombat | Wombats burrow extensive system of rodents such as the front teeth and the claws. A characteristic of their adjustment is wombats the bag. The advantage of backward-facing bag, digging a wombat does not collect dirt in your bag for the young. Although in most dusk and at night, wombats and feed on cold or cloudy days. Wombats are herbivores and their diet consists mainly of grasses, sedges, grasses, bark and roots.
Wombats defend home territories for their dens, and they react aggressively to intruders. Common wombat is a range of up to 23 hectares (57 acres), while the hairy-nosed species have much shorter range, less than 4 hectares (10 acres). Tasmanian devils and Dingoes prey on wombats. When attacked, wombats dive in the next tunnel, using your body to block the attacker search. Wombats can allow an attacker to overcome the head back, and then use their strong legs to the skull of a predator hitting the ceiling of the tunnel or take him to the attacks on two legs "dumb."