Black-tailed Deermouse
Peromyscus melanurus
- Endangered
- Card rarity: Epic
- Mammals

The black-tailed mouse is a species of rodent in the family Cricetidae. It is a species of the genus Peromyscus, a closely related group of New World mice often called "deermice". It is endemic to Mexico.
Classification
- Class
- Mammalia
- Order
- Rodentia
- Family
- Cricetidae
- Genus
- Peromyscus