1965 



Parnell, J. F. and T. L. Quay. 1965. The population, breeding biology and en- 

 vironmental relations of the Black Duck, Gadwall, and Blue-winged Teal at 

 Pea and Bodie islands, North Carolina. Proc. 16th Annu. Conf. Southeast- 

 ern Assoc. Game & Fish Commiss.: 53-67. 



1964 



Delong, W. C. 1964. Gadwall nesting in Iowa. Iowa Bird Life 34: 72-73. 



1963 



Baillie, J. L. 1963. The 13 most recent Ontario nesting birds. Ont . Field 

 Biol. 17: 15-26. 



Harrison, J. M. and J. G. Harrison. 1963. A Gadwall ( Anas strepera ) with a 



white neck ring and a review of plumage variants in wildfowl. Bull. Brit. 

 Ornithol. Club 83: 101-108. 



1962 



Gates, J. M. 1962. Breeding biology of the Gadwall in northern Utah. Wilson 

 Bull. 74: 43-67. 



1961 



Dillon, 0. W., Jr. 1961. Recovery of a crippled Gadwall. Auk 78: 273-274. 



1960 



Chamberlain, B. R. 1960. Gadwall breeding at Bull's Island, South Carolina. 

 Chat 24: 97. 



Hudson, M., T. G. Pierce and J. H. Taverner , Jr. 1960. Piracy by Gadwall. 

 Brit. Birds 53: 271-272. 



Wust, W. 1960. Das Problem des Reihens der Enten, besonders von Anas strepera . 

 [The problem of the display flight of ducks, especially of Anas strepera . 

 Proc. Xllth Internatl. Ornithol. Congr., Helsinki 1958: 795-800. [In Ger- 

 man with English summary. ] 



1958 



Duebbert, H. F. 1958. Island nesting of the Gadwall, Anas strepera , in North 

 Dakota. M.A. thesis, Univ. Missouri/Columbia, M0. 



Gates, J. M. 1958a. Female Gadwall returns to nest site after loss of young. 

 Condor 60: 337-338. 



. 1958b. A study of the breeding behavior of the Gadwall in northern 



Utah. M.S. thesis, Utah St. Univ. /Logan, UT. 124 pp. 



163 



