Rats are generally larger, with robust bodies and long tails, while mice are smaller and have more slender bodies and shorter tails. Behaviorally, rats are known for their cautious nature and ...

Hantavirus comes from contact with rodents — such as rats and mice — especially after exposure to their ... The hispid cotton rat is about 8 to 14.6 inches long, with a tail that ranges from 3 to 6.6 ...