00925cam a2200253 4500 99438690 TxAuBib 20060913120000.0 940929s1992||||||||||||||||||||||||eng|u 94213856 9780671850074 0671850075 DLC DLC DLC WaU NBPL TxAuBib Johnsgard, Paul A. Ducks in the wild : conserving waterfowl and their habitats / Paul A. Johnsgard. New York : Prentice Hall General Reference, 1992. 160 p. : ill. (some col.) ; 30 cm. Includes bibliographical references (p. 154-155) and index. Ducks Conservation. Ducks Habitat Conservation. Ducks. Waterfowl Conservation. Waterfowl Habitat Conservation.