Spermophilus beecheyi, the common California Ground Squirrel. They grow up to 11 inches with a bushy tail up to 9 inches and inhabit grasslands and savannah.
The California Ground Squirrel, Otospermophilus beecheyi, can be found all over the western U.S. They live in holes in the ground, which are sometimes communal.
Chinchilla hail from the Andes mountains in South America. They've made a comeback after facing extinction from being over-hunted for their soft, dense fur.
Rats are intelligent and social creatures, often being quite affectionate and playful pets. Rats can be found worldwide and are adaptable to many environments.