The aggressive grasshopper mouse sometimes eats other mice.

Insectivores, such as the aardwolf (a type of hyena) and the southern grasshopper mouse, are thus largely independent from free water.

The northern grasshopper mouse is found in North America, but primarily in dry areas.

The grasshopper mouse is a reddish-black/grey color with white hair on the belly.

Throughout the night, the grasshopper mouse makes high-pitched noises to claim its territory.

The northern grasshopper mouse has about two or three litters a year consisting of two to seven young, with the average being four.

The northern grasshopper mouse is an altricial species; baby mice are naked with closed eyes when they are born, and weigh about three grams.

Only invertebrates and grasshopper mice have been shown to be undeterred by adult T. eques defenses.

The genus Onychomys contains species commonly referred to as grasshopper mice.

The grasshopper mouse is known to be immune to various venoms released by its prey (scorpions, snakes, etc.).