Chinchilla
The two living species of chinchilla are Chinchilla chinchilla (formerly known as Chinchilla brevicaudata) and Chinchilla lanigera. C. chinchilla has a shorter tail, a thicker neck and shoulders, and shorter ears than C. lanigera. The C. chinchilla are currently facing extinction and the C. lanigera, though rare, can be found in the wild. Domesticated chinchillas are thought to be of the C. lanigera species.