National Geographic Documentary. The Bald Eagle has been the nationwide emblem of the United States since 1782 and a religious image for native individuals for much longer than that. These regal birds aren’t actually bald, however their white-feathered heads gleam in distinction to their chocolate-brown physique and wings. Look for them hovering in solitude, chasing different birds for his or her meals, or gathering by the a whole bunch in winter. Once endangered by looking and pesticides, Bald Eagles have flourished beneath safety.