BIBLIOGRAPHY 



1981 



Bellrose, F. C. and R. C. Crompton. 1981. Migration speeds of three waterfowl 

 species. Wilson Bull. 93: 121-124. 



Byers, S. M. and R. A. Montgomery. 1981. Stress response of captive Mallards 

 to nasal saddles. J. Wildl. Manage. 45: 498-501. 



Gatti, R. C. 1981. A comparison of two hand-reared Mallard release methods. 

 Wildl. Soc. Bull. 9: 37-43. 



Trost, R. E. 1981. Dynamics of grit selection and retention in captive Mal- 

 lards. J. Wildl. Manage. 45: 64-73. 



Van Dyke, F. 1981. Mortality in crippled Mallards. J. Wildl. Manage. 45: 

 444-453. 



Young, D. A. and D. A. Boag. 1981. A description of moult in male Mallards. 

 Can. J. Zool. 58: 252-259. [In English with French summary.] 



1980 



Albers, P. H. 1980. Transfer of crude oil from contaminated water to bird 

 eggs. Environ. Res. 22: 307-314. 



Baldasarre, G. A., R. J. Whyte and E. G. Bolen. 1980. Use of ultrasonic sound 

 to estimate body fat deposits in the Mallard. Prairie Nat. 12: 79-86. 



Bingman, V. P. 1980. Novel rape avoidance in the Mallard. Wilson Bull. 92: 

 409. 



Burns, J. T., K. M. Cheng and F. McKinney. 1980. Forced copulation in captive 

 Mallards. I. Fertilization of eggs. Auk 97: 875-879. 



Clark, G. W. 1980. Hematozoa of Mallard ducks ( Anas platyrhynchos ) of the 

 Pacific Flyway, Washington. J. Wildl. Dis. 16: 529-531. 



Danell, K. and K. Sjoberg. 1980. Foods of Wigeon, Teal, Mallard, and Pintail 

 during the summer in a northern Swedish lake. Viltrevy 11: 141-167. 



Donham, R. S. 1980. The endocrinology of reproduction in the Mallard, Anas 

 platyrhynchos . Ph.D. thesis, Univ. Washington/ Seattle, WA. 110 pp. 



Fiala, V. 1980. Veranderungen in den Winterbestanden der Stockente ( Anas platy- 

 rhynchos ) in der Tschechischen Sozialistischen Republik 1970/71-1977/78. 

 [Changes in winter numbers of the Mallard ( Anas platyrhynchos ) in the Czech 

 Socialist Republic 1970/71 /-1977/78. ] Folia Zool. 29: 251-266. 

 [In German with Russian and English summaries.] 



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