What little is known about the lives of marsupial moles suggests they live alone and spend almost all their time underground, moving through the sand with a swimming action. They dig incredibly fast and are capable of shoving their way into the sand in seconds. They burrow faster than most potential predators can shift sand as they attempt to dig the moles out. Marsupial moles do not leave tunnels—the sand collapses behind them as they move. On the surface, marsu-

A marsupial mole (Notoryctes typhlops) digging a burrow in a sand dune in Alice Springs, Northern Territory, Australia. (Photo by B. G. Thomson/Photo Researchers, Inc. Reproduced with permission.)
A marsupial mole (Notoryctes typhlops) in the sand in Australia. (Photo by Tom McHugh/Photo Researchers, Inc. Reproduced by permission.)

pial moles move with a sinuous gait, the body shimmying from side to side as the short legs on opposite corners move together in awkward shuffling steps, leaving a distinctive trail of wiggly lines in the sand.

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