| Another deermouse known only from one island, the Tres Marías Deermouse may, in fact, be extinct. House rats (Rattus rattus) are now abundant on the island and may well have done in the smaller rodents.
Also known as:
Maria Madre Island Mouse
Head and Body: 93.4-107 mm; Tail: 90.4-105.8 mm
Merriam, C.H., 1898. Proceedings of the Biological Society of Washington, 12:16.
Mammal Species of the World (opens in a new window).