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Author/Creator
- Bent, Arthur Cleveland, 1866-195419
- National Audubon Society18
- Audubon, John James, 1785-185115
- Peterson, Roger Tory, 1908-199612
- Chapman, Frank M. (Frank Michler), 1864-194511
- American Ornithologists' Union9
- Coues, Elliott, 1842-18998
- National Geographic Society (U.S.)8
- Sibley, David, 1961-8
- Johnsgard, Paul A.7
- Ridgway, Robert, 1850-19297
- U.S. Fish and Wildlife Service6
- Baird, Spencer Fullerton, 1823-18875
- Brewer, T. M. (Thomas Mayo), 1814-18805
- Hausman, Leon Augustus, 1888-5
- Kaufman, Kenn5
- Kortright, Francis H.5
- Brooks, Allan, 1869-19464
- Fuertes, Louis Agassiz, 1874-19274
- May, John Bichard4