About Peromyscus californicus (Gambel, 1848)
Scientific Name and Distinctive Features
The California deermouse, scientifically named Peromyscus californicus (Gambel, 1848), has very large ears, and its tail is longer than the combined length of its head and body.
Size Measurements
Total body length including the tail ranges from 220 to 285 mm (8.7 to 11.2 in), and the tail itself measures approximately 117 to 156 mm (4.6 to 6.1 in) long.
Dorsal Coat Color
Its overall coat is orange, mixed with black and brown hairs.
Ventral and Limb Coloration
This dorsal color fades to creamy-white on the belly. Its manus and feet are white.
Similar Species
Adult California deermice are large enough to be confused with juvenile Neotoma fuscipes, a close relative belonging to the subfamily Neotominae.
Dental Formula
This species has a dental formula of 1003/1003.