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Literature |
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4) Alford, J. R. III. 1973. B. S., Thesis, Differential Reaponses
of Male and Female Pintail Ducks to Pintail Decoys, Texas Tech, Lubbock, TX.5)
Bellrose, F. C. 1976. Ducks, Geese & Swans of North America. Stackpole Books,
Harrisburg, Pennsylvania.
2) Fredrickson, L. H., and Heitmeyer, M. E. 1991. Waterfowl Managment
Handbook; Life History Strategies and Habitat Needs of the Northern Pintail, U. S. Fish
Wildl. Serv., Fish Wildlife Leaflet. 13.1.3. p. 1-8.
3) Owen, M., and Black, J. M. 1990. Waterfowl Ecology, Chapman and
Hall, New York.
1) Sowls, L. K. 1955. Prairie Ducks. University of Nebraska Press,
Lincoln, Nebraska.
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