Arizona Cotton Rat

The Arizona cotton rat or Colorado River cotton rat (Sigmodon arizonae) is a rat in the family Cricetidae. It is found in the southwestern United States and northwestern Mexico. Description The Arizona cotton rat has a typical rat-like appearance, and is sufficiently similar to the hispid cotton rat that it was considered to be part of the same species until 1970, when genetic analysis confirmed its distinct nature.

Sigmodon est un genre de rongeurs de la famille des Cricétidés, dont on rencontre les espèces sur le continent américain. Liste des espèces Sous-genre Sigmodon (Sigmodon) Say and Ord, 1825 Sigmodon alleni V. Bailey, 1902 Sigmodon arizonae Mearns, 1890 Sigmodon fulviventer J.

Sigmodon arizonae es una especie de roedor de la familia Cricetidae. ​ Distribución geográfica Se encuentra en México y Estados Unidos. Referencias Musser, G.