Bird of Washington

The Bird of Washington, Washington Eagle or Great Sea Eagle (Falco washingtonii or Falco washingtoniensis) was a putative species of sea eagle which was claimed in 1826 and published by John James Audubon in his famous work "The Birds of America". It is not now recognised as a valid species. Theories about its true nature include:
Further reading.
Allen, J. A. 1870. What is the ‘Washington Eagle'? "The American Naturalist" 4: pp 524–527
Audubon, J. J. 1828. Notes on the Bird of Washington ("Fálco Washingtoniàna"), or Great American Sea Eagle. "Magazine of Natural History" 1: pp 115–120.
Maruna, S. 2006. Substantiating Audubon's Washington Eagle. "Ohio Cardinal" 29: pp 140–150. 