All three species of Abrocoma are agile climbers of rocks, shrubs, and even small trees. They can make their dens in crevices in the rock- or cliff-face. Sometimes these crevices are supplemented by the construction of sidewalls that can reach up to 10 ft (3 m) high. The walls are built of feces that are bonded together using urine and other fluids. When dry, the walls become almost as hard as the surrounding rock. Underground tunnels can also provide a home. The tunnel entrances are typically concealed under a rock or at the base of a bush.

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