Morgan’s gerbil mouse is a small rodent of the semiarid steppe of western Patagonia. It has soft gray-brown fur and a white belly, and it escapes predators by running in a zigzag or making erratic hops.
Its fur is long and soft, with dull ochraceous-gray fur on the back and a white underside. The well-haired tail is dark brown above and grayish white below.
When escaping predators, it has been reported to run quickly in a zigzag or to make erratic hops.
An extinction-risk assessment has not been added yet.