Beavers are large members of the rodent family. The only other rodent larger than the beaver is the capybara. Beavers are semi-aquatic, which means that they spend most of their time in the water. The most easily recognizable characteristic of the beaver is their large, flat, scaly tail.

Beavers are among some of the largest of rodents. Even though both specieis are similar, the Eurasian beaver grows slightly longer than the American beaver does. Beavers grow up to 3.3 ft. long, and can weigh up to 70 lbs.