Elliott Coues

Elliott Coues
Born	Elliott Ladd Coues (1842-09-09)September 9, 1842 Portsmouth, New Hampshire, U.S.
Died	December 25, 1899(1899-12-25) (aged 57) Baltimore, Maryland, U.S.
Alma mater	Columbian University
Known for	Key to North American Birds, taxonomic classification of subspecies
Spouses	Sarah A. Richardson (annulled) Jeannie Augusta McKenney ​ ​ (m. 1867; div. 1886)​ Mary Emily Bates Coues ​ ​ (m. 1887)​
Parents	Samuel Elliott Coues (father) Charlotte Haven Ladd Coues (mother)
Awards	Member of the American Philosophical Society
Scientific career
Fields	Ornithology
Author abbrev. (zoology)	Coues

Elliott Ladd Coues (/ˈkaʊz/; September 9, 1842 – December 25, 1899) was an American army surgeon, historian, ornithologist, and author.^[1] He led surveys of the Arizona Territory, and later as secretary of the United States Geological and Geographical Survey of the Territories. He founded the American Ornithological Union in 1883, and was editor of its publication, The Auk.