Communication

Onychomys have six different vocalization types (two neonatal and four adult). They have a wide range of calls that can distinguish them between species, sex, and individuals. For example, the larger mice tend to have deeper voices. When they feel attacked, they will let out a rapid screech/bark.

Species

* Mearns's grasshopper mouse or Chihuahuan grasshopper mouse Onychomys arenicola
* Northern grasshopper mouse,

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