Labels:text | screenshot | font | document OCR: The beaver is North America's largest rodent. Its heavy chestnut brown coat over a warm soft underfur keeps the animal comfortable in all temperatures. Large, webbed feet make it a good swimmer, and its broad, black tail -- about ten inches long and six inches wide -- is used as a rudder when swim- ming. When slapped against the water, the tail serves as a warning, but it can signal other emotions as well. When a beaver stands up on its hind legs to cut down a tree, its tail is like a fifth leg for balance. The beaver is designed to swim and work under water. A beaver may work alone or with family members to build a dam, using piled logs and trees secured with mud, masses of plants, rocks, and sticks. Dens are of two types depending on water level fluctuations. Bank dens are simply dug int ...
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