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Publications

These publications showcase the significant science conducted in our Science Centers.

Filter Total Items: 16784

The Literature of the Western Clapper Rails

No abstract available.
Authors
S.R. Wilbur, R. E. Tomlinson

Wildlife importation into the United States, 1900-1972

Data from Bureau of Biological Survey and U.S. Fish and Wildlife Service reports show an overall increase in the number of birds and mammals imported from 1900 to 1972. The trend was interrupted by World War I, the economic depression of the 1930's, and World War II. Data are lacking for the years after World War II until 1968. Until 1942, domesticated canaries and a few species of game birds m
Authors
R.C. Banks

Sexual Size Dimorphism in Hawks and Owls of North America

No abstract available.
Authors
N.F.R. Snyder, J. W. Wiley

American woodcock in West Virginia

No abstract available.
Authors
R.C. Kletzly

Trumpeter swan, Cygnus buccinator Richardson

No abstract available.
Authors
W.E. Banko, A.W. Schorger

Incidence of lead shot in canvasbacks

During 1975 and 1976, 2,544 canvasbacks (Aythya valisineria) from North Dakota, Wisconsin, Illinois, and Maryland were flouroscoped to determine the incidence of body shot. A significant increase from west to east was detected in the incidence of shot for immatures from the four states. The incidence of shot in immatures after the 1975-76 hunting season was 18 percent in Maryland and 20 percent
Authors
M. C. Perry