Mearns' grasshopper mouse

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Mearns' grasshopper mouse
Chihuahuan grasshopper mouse.jpg
Conservation status
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Rodentia
Family: Neotominae
Genus: Onychomys
Species: O. arenicola
Binomial name
Onychomys arenicola
Mearns, 1896

Mearns's grasshopper mouse or the Chihuahuan grasshopper mouse (Onychomys arenicola) is a grasshopper mouse found in southwestern New Mexico, West Texas, and north-central Mexico. They are similar to Onychomys torridus, but differ in karyotype and size. This mouse is smaller in every regard except for the nasal length of the skull.[2]

They are found in semiarid habitat, prairie, and scrub. They feed largely on insects and other invertebrates, including scorpions. They also feed on small muroid rodents and pocket mice.


  1. ^ Linzey, A.V., Timm, R., Álvarez-Castañeda, S.T., Castro-Arellano, I. & Lacher, T. (2008). Onychomys arenicola. In: IUCN 2008. IUCN Red List of Threatened Species. Retrieved 4 August 2009. Database entry includes a brief justification of why this species is of least concern.
  2. ^ Lautzenheiser, Evan. "Onychomys arenicola-Mearns's grasshopper mouse". Retrieved 1 October 2012. 
  • Nowak, R. M. 1999. Walker's Mammals of the World, Vol. 2. Johns Hopkins University Press, London.