This species is the most abundant small rodent of the region, and in autumn, often enters human dwellings. The omnivorous deer mouse uses its sharp incisors to gnaw through the hard coats and seeds ...

Deer mice are primarily nocturnal omnivores (i.e. they'll eat meat and plants). It's important to identify this species.

While it might be hard to see the benefits of a tiny deer mouse nibbling on a wildflower or wheat shaft, the species actually plays an important role in the natural world, according to Bryan ...

The average size of an adult is 176 mm (6.9 in) in total length and 21 g (0.7 oz) in weight. This species is not as widespread as the deer mouse, and occurs throughout much of the eastern two-thirds ...

Other mouse species sometimes used in laboratory research include two American species, the white-footed mouse (Peromyscus leucopus) and the North American deer mouse (Peromyscus maniculatus).