In the North American region Beaver is known as the largest rodent that is available. Grownups can weigh up to 65 pounds and their height can reach up to 36 inches. There are different physical characteristics such as webbed hind legs, waterproof fur as well as unique shaped tail which provide this animal the liberty of living a smooth and active life in the region of ponds or aquatic environments. However, it is also of significant value to mention one point here that beavers are considered as nuisance species because of two primary reasons and they are being mentioned below.