Small rodents are a type of mammal that are characterized by their small size and fur-covered bodies. The most common small rodent is the MOUSE, which has five letters in its name. Another small rodent is the DORMOUSE, which has eight letters in its name. Finally, the VOLE is another small rodent with four letters in its name. All three of these animals are found in many parts of the world and are known for their agility and quickness.