Chinchilla Rats: Abrocomidae

Chinchilla rats have large, round ears, large eyes, and an elongated head. They have short legs with four toes on the front feet and five toes on the back feet. The head and body length of the chinchilla rat is 6 to 10 inches (15 to 25 centimeters with a tail length of 2.4 to 7.2 inches (6 to 18 centimeters). They weigh from 7.1 to 10.6 ounces (200 to 300 grams).

The fur of the chinchilla rat is thick and soft. Fur coloring is silver-gray or gray-brown on the upper body and light brown, cream, white, or yellow on its underside.