PUCPR Search for 'an:88978'

Species, age, and sex identification of ducks using wing plumage

By Carney, Samuel M..
Washington U.S. Fish and Wildlife Service, 1992. .
iii, 144 p. 26 cm..

By Davis, Lavinia Riker.
Garden City, N.Y. Doubleday 1949 .
[50] p. 22 x 26 cm..

By McCloskey, Robert.
New York The Viking press 1941 .
[67] p. , Illustrated lining-papers. | "First published August 1941." 31 x 24 cm..