North American beaver beaver may dwell in a bank burrow and bank lodge with an underwater entrance. The beaver dam is constructed using branches from trees the beavers cut down, as well as rocks, grass, and mud. The inner bark, twigs, shoots, and leaves of such trees are also an important part of the beaver's diet. The trees are cut down using their strong incisor teeth. Their front paws are used for digging and carrying and placing materials. The sound of running water dictates when and where a beaver builds its dam. Besides providing a safe home for the beaver, beaver ponds also
Leave It to Beaver by Beaumont and Dow. Mathers was introduced last, with the voice-over line, "...and Jerry Mathers as The Beaver". The closing sequence for the first season featured a simple, dark background as the credits rolled. In the second season, Wally and Beaver are seen walking home from school with their schoolbooks and entering the house through the front door. In the third through fifth seasons, Wally and Beaver are seen walking towards the Pine Street house. Beaver carries a baseball glove and limps along the curbstone. In the last season, Beaver, arguing with Wally as the two are walking home, pushes