Bald Eagle Essay

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Bald eagles are one of the most recognizable birds in the United States. If you don’t remember what a bald eagles looks like, simply pull out a quarter or a dollar. An eagle is shown on the back of the quarter and holding an olive branch and arrows on the one dollar bill. Bald eagles are large, predatory raptor’s. They are dark brown on the body and wings. The head and tail are bright white. The feet and bill of bald eagles are yellow. The bill is large and hooked at the tip. Juvenile bald eagles look very different from the adults. Young bald eagles are almost entirely brown with occasional white markings on the underside of the wings and chest. As the juvenile gets older, the bill will turn from dark brownish-black to yellow and the head and tail turn white. Bald eagles grow to about 2½ - 3 feet in height. Their wingspan range from six and a half feet. Bald eagles weigh from six to eight pounds. Female bald eagles are larger than the males. To help them soar, eagles use thermals which are rising currents of warm air and up-drafts generated by terrain such as valley edges or mountain slopes. Soaring is accomplished with very little wing-flapping, enabling them to conserve energy. Long-distance migration flights are accomplished by climbing high in a thermal, then gliding downward to catch the next thermal where the process is repeated. Bald eagles can fly to an altitude of 10,000 feet. During level flight, a bald eagle can achieve speeds of about 30 to 35 mph. Bald eagles have 7,000 feathers. Eagle feathers are lightweight yet extremely strong, hollow yet highly flexible. They protect the bird from the cold as well as the heat of the sun, by trapping layers of air. To maintain its body temperature an eagle simply changes the position of its feathers. While an eagle suns itself on a cold morning, it ruffles and rotates its feathers so that the air pockets are

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