The American bald eagle.
bald eagle definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
a large, strong eagle (Haliaeetus leucocephalus) of North America: the adult has a white-feathered head and neck and a white tail: the national bird of the U.S.
bald eagle definition by American Heritage Dictionary
A North American eagle (Haliaeetus leucocephalus) characterized by a brownish-black body and a white head and tail in the adult. Also called American eagle.