Single, E. 1975. Bald Eagle attacks Redhead (Sullivan Co.). Linn. Newsl. 

 29: 4. 



Williams, S. 0., III. 1975. Redhead breeding in the state of Jalisco, Mexico. 

 Auk 92: 152-153. 



1974 



McKnight, D. E. 1974. Dry-land nesting by Redheads and Ruddy Ducks. J. Wildl. 

 Manage. 38: 112-119. 



1973 



Lokemoen, J. T. and H. F. Duebbert. 1973. An upland nest of the Redhead far 

 from water. Wilson Bull. 85: 468. 



Mattson, M. E. 1973. Host-parasite relations of Canvasback and Redhead duck- 

 lings. M.S. thesis, Univ. Manitoba/Winnipeg, MB. 97 pp. 



1972 



Benson, D. and S. D. Browne. 1972. Establishing breeding colonies of Redheads 

 in New York by releasing hand-reared birds. N.Y. Fish Game J. 19: 59-72. 



Stone, W. B. 1972. Fishing lines trap waterfowl. N.Y. State Conserv. 27: 38. 



1970 



Weller, M. W. 1970. Additional notes on the plumages of the Redhead ( Aythya 

 americana. Wilson Bull. 82: 320-323. 



1969 



Bartonek, J. C. 1969. Build-up of grit in three pochard species in Manitoba. 

 Wilson Bull. 81: 96-97. 



Bartonek, J. C. and J. J. Hickey. 1969a. Food habits of Canvasbacks , Redheads, 

 and Lesser Scaup in Manitoba. Condor 71: 280-290. 



. 1969b. Selective feeding by juvenile diving ducks in summer. Auk 86: 



443-457. 



Benson, D. and S. D. Browne. 1969. Releasing hand-reared Redheads to establish 

 breeding colonies in New York. Trans. N.E. Sect. Wildl. Soc, 26th NE Fish 

 and Wildl. Conf . , 9-12 Feb. 1969: 91-110. 



Geis, A. D. and W. F. Crissey. 1969. Effect of restrictive hunting regulations 

 on Canvasback and Redhead harvest rates and survival. J. Wildl. Manage. 

 33: 860-866. 



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