Bald eagles live near bodies of water in Canada and Alaska, and in scattered locations all throughout the lower 48 states and Mexico. They grow to about three feet but males are smaller. Females wingspan is around seven feet and males six feet. They weight about 10 to 14 pounds. It's brown body and feathery white head makes it easy to see it in the distance. The flight muscles for are very important for an eagle. They are important because when it flaps it's wings, most of there power for flying comes from the downward stroke of the wings. The muscles that pull the songs down are much larger than the muscles that pull the wings up. The feathers way twice as much as the bones. When the muscles in the legs contract, the tendons in the lower legs tighten and the talons close together. The beak may be used as a weapon if the talons have not finished off the prey.The beak is used for tearing prey into small pieces since eagles do not chew their food. The eagle's mouth allows it to swallow objects, but the food must be torn into objects that can be eaten.