Well-known marsupials include kangaroos, wallabies, koalas, phalangeriformes, opossums, wombats, and Tasmanian devils. Dingos and Tasmanian devils prey on wombats. Others soon followed, including muntjac deer, llamas, wombats and skunks. Others soon followed including muntjac, llama, wombats and skunks. In wombats and marsupial moles, the pouch opens backward or down. The closest surviving relatives of "Diprotodon" are the wombats and the koala. Wombats and snakes tend to go underground. They sometimes use the burrows of animals such as rabbits and wombats. The competition from introduced rabbits threatens the survival of wombats. Southern hairy-nosed wombats use vocalisations and scents for communication. All species of wombats are protected in every Australian state. The hairy-nosed wombats have featured mainly to highlight their elevated conservation status. It is distinguished from both hairy-nosed wombats by its bald nose. Bare-nosed wombats can make a number of different sounds, more than the hairy-nosed wombats. It is likely that the northern hairy-nosed wombats are inhaling the infection from the soil.