Krai, B. 1964. Variabilita pomeru pohlavi u kachny divoke, Anas platyrhynchos , 

 v ziranim okdobi. [Variability of sex ratio of Mallard, Anas platyrhynchos 

 at wintertime.] Zool. Listy 13: 9-14. [In Czechoslovakian with German 



summary. ] 



Lees, H. T. 1964. Immobility saving Mallard from dogs. Brit. Birds 57: 202. 



Ogilvie, M. A. 1964. A nesting study of Mallard in Berkeley New Decoy, Slim- 

 bridge. Wildfowl Trust Annu. Rept. 15: 84-92. 



Raitasuo, K. 1964. Social behaviour of the Mallard, Anas platyrhynchos , in 

 the course of the annual cycle. Finn. Game Resch. 24: 1-72. 



1963 



Chura, N. J. 1963. Diurnal feeding periodicity of juvenile Mallards. Wilson 

 Bull. 75: 90. 



Gollop, J. B. 1963. The fall recoveries of young Mallards at Kindersley, Sas- 

 katchewan. Blue Jay 21: 7-10. 



Manville, R. H. 1963. Altitude record for a Mallard. Wilson Bull. 75: 92. 



Pullainen, E. 1963. On the history, ecology, and ethology of the Mallards 



( Anas platyrhynchos L.) overwintering in Finland. Ornis Fenn. 40: 45-66. 



Stainton, J. M. 1963. Mallard killing and swallowing house sparrow. Brit. 

 Birds 56: 339. 



1962 



Chura, N. J. 1962. Food availability and selective utilization by juvenile 

 Mallards Anas platyrhynchos platyrhynchos , on the Bear River Migratory 

 Bird Refuge. Ph.D. thesis, Utah St. Univ. /Logan, UT. 



Dzubin, A. 1962. Saskatchewan banded Mallards recovered in eastern Siberia. 

 Bird-Banding 33: 152-153. 



Glasgow, L. L. and H. A. Junca. 1962. Mallard foods in southwest Louisiana. 

 Proc. La. Acad. Sci. 25: 63-74. 



Junca, H. 1962. A quantitative study of the nutrient content of food removed 

 from the crops of wild Mallards in Louisiana. M.S. thesis, La. St. Univ./ 

 Baton Rouge, LA. 94 pp. 



Junca, H. A., E. A. Epps and L. L. Glasgow. 1962. A quantitative study of 



nutrient content of food removed from the crops of wild Mallards in Louisi- 

 ana. Trans. N. Am. Wildl. Nat. Resourc. Conf. 27: 114-121. 



Linkola, P. 1962. Havaintoja sorsalintujen lisaantymistuloksesta Keski- 

 Hameessa. [Note on the breeding success of ducks in central Hame.] 

 Suomen Riista 15: 157-174. [In Finnish with English summary.] 



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