The beaver, fairly common throughout Kentucky, is North America's and Kentucky's largest rodent. Adult beavers weigh between 35 and 60 pounds, with some reaching weights of 70 to 80 pounds. Adult beavers range in size from 25 to 31 inches from the tip of their nose to . However,nutria have visible large front teeth that are yellow to orange in color. Adults weigh 15 to 20 pounds for adults, this is about one-third the size of an adult beaver (>45 pounds) and times larger than an adult muskrat ( pounds). Additionally, the tails and whiskers of .