Peromyscus maniculatus is a rodent native to North America. It is most commonly called the deer mouse, although that name is common to most species of Peromyscus and is fairly widespread across the continent, with the major exception being the southeast United States and the far north.
The California mouse (Peromyscus californicus) is a species of rodent in the family Cricetidae. It is the only species in the Peromyscus californicus species group. It is found in northwestern Mexico and central to southern California. It is largest Peromyscus species in the United States.