1975 



Anderson, W. L. 1975. Lead poisoning in waterfowl at Rice Lake, Illinois. 

 J. Wildl. Manage. 39: 264-270. 



Schreiber, R. W., F. M. Dunstan and J. J. Dinsmore. 1975. Lesser Scaup mor- 

 tality in Tampa Bay, Florida, 1974. Fla. Field Nat. 3: 13-15. 



1974 



Siegfried, W. R. 1974. Time budget of behavior among Lesser Scaups on Delta 

 Marsh. J. Wildl. Manage. 38: 708-713. 



Trauger, D. L. 1974. Eye color of female Lesser Scaup in relation to age. 

 Auk 91: 243-254. 



1973 



Sugden, L. G. 1973. Feeding ecology of Pintail, Gadwall, American Wigeon, and 

 Lesser Scaup ducklings in southern Alberta. Can. Wildl. Serv. Rept . Ser. 



No. 24. 45 pp. 



1972 



Dwernychuk, L. W. and D. A. Boag. 1972. Duck nesting in association with 

 gulls — an ecological trap? Can. J. Zool . 50: 559-563. 



Kocan, A. A. and R. M. Kocan. 1972. Immature Prosthodendrium sp. in a Lesser 

 Scaup ( Aythya affinis ). J. Parasitol. 58: 1014-1015. 



Sugden, L. G. and L. E. Harris. 1972. Energy requirements and growth of cap- 

 tive Lesser Scaup. Poultry Sci. 51: 625-633. 



1971 



Sugden, L. G. 1971. Feeding activity of captive Lesser Scaup. Can. Wildl. 

 Serv. Progr. Notes 24: 1-14. 



Trauger, D. L. 1971. Population ecology of Lesser Scaup ( Aythya affinis ) in 

 subarctic taiga. Ph.D. thesis, Iowa St. Univ. /Ames, IA. 121 pp. 



1970 



Anderson, B. W. 1970. Psuedo-sleeping attitude in Lesser Scaup and Ring- 

 necked Ducks. Condor 72: 370-371. 



Bartonek, J. C. and H. W. Murdy. 1970. Summer foods of Lesser Scaup in sub- 

 arctic taiga. Arctic 23: 35-44. 



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