Southern hairy-nosed wombats dig and live in burrows which they connect into warrens with many entrances. These warrens are their prime refuges and are shared by up to 10 individuals.[12] A wombat digs with its fore claws while sitting up.[16] It leaves its new burrow backwards and pushes out soil with all its paws.[16] The central warren is surrounded by a circle of small, simple burrows 100–15 m from it.[14] The small burrows along the outer edges is where young wombats go when they are displaced from the central warren.[12] Wombats may favour a certain burrow and not share it with others. However, there is no monopolization of burrows.[17] Wombats move between burrows and even warrens. Male wombats are territorial towards wombats from other warrens, possibly to defend food resources and the warren refuges.[12] Trails of droppings connect the burrows. The males also mark their territory with anal scent secretions by rubbing their backs and rumps on objects.[8] Fights between males over territories or mates do occur and involve bites to the ears, flanks, or rumps.[7] Also, a dominance hierarchy exists among males.[7]
From Wikipedia articles on the three extant species of wombats
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