Dickey's deer mouse

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Dickey's deer mouse
Scientific classification edit
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Rodentia
Family: Cricetidae
Subfamily: Neotominae
Genus: Peromyscus
Species: P. dickeyi
Binomial name
Peromyscus dickeyi
Burt, 1932

Dickey's deer mouse (Peromyscus dickeyi) is a species of rodent in the family Cricetidae.[2] It is endemic to Mexico, being found only on a small island in the Gulf of California. The species is named for Donald Dickey, who sponsored the expedition that first discovered the animal.[3]


Dickey's deer mouse has a large body, with a total length of about 20 cm (7.9 in), including a relatively short tail, about 10 cm (3.9 in) long. The fur is dusky over most of the body, and was described as "pinkish cinnamon" in the first formal scientific description of the species. The underparts are white, sometimes with a faint spot in the chest region. The soles of the hindfeet are hairless. Dickey's deer mouse can most easily be distinguished from its close relatives on the mainland by its unusually short tail.[3]


Dickey's deer mouse is found only on the volcanic island of Isla Tortuga off the east coast of Baja California Sur. The island is covered by desert scrubland, with an area of only 6.3 km2 (2.4 sq mi), leaving the species highly vulnerable to extinction.[1] Little is known of its biology, although pregnant individuals have been trapped in October, and are apparently absent in May.[3]


  1. ^ a b Álvarez-Castañeda, S.T.; Castro-Arellano, I.; Lacher, T. & Vázquez, E. (2008). "Peromyscus dickeyi". IUCN Red List of Threatened Species. Version 2008. International Union for Conservation of Nature. Retrieved 2 September 2009.
  2. ^ Musser, G.G.; Carleton, M.D. (2005). "Superfamily Muroidea". In Wilson, D.E.; Reeder, D.M. Mammal Species of the World: A Taxonomic and Geographic Reference (3rd ed.). Johns Hopkins University Press. p. 1065. ISBN 978-0-8018-8221-0. OCLC 62265494.
  3. ^ a b c Cortés-Calva, P.; Alvarez-Castañeda, S.T. (2001). "Peromyscus dickeyi" (PDF). Mammalian Species. 659: 1–2. doi:10.1644/1545-1410(2001)659<0001:pd>2.0.co;2.