Tamisier, A. 1970. Signification du gregarisme diurne et de 1 ' alimentation 

 nocturne des Sarcelles Anas crecca . Terre Vie 22: 511-562. [In French 

 with English summary. ] 



Willi, P. 1970. Zugverhalten , Aktivitat, Nahrung, und Nahrungserwerb auf dem 



Klingnaur Strausse haufig auftretender Anatiden, insbesondere von Krickente, 

 Tafelente, und Reiherente. Ornithol . Beob. 67: 141-217. [In German with 

 English summary.] 



Wolff, W. J. 1970. Goal orientation versus one-direction orientation in Teal 

 Anas c. crecca during autumn migration. Ardea 58: 131-141. 



1969 



Denny, R. B. 1969. Sight record of Common Teal in Oregon. Murrelet 50: 34. 



Nystrom, G. 1969. Sight record of Common Teal at Seattle, Washington. Murre- 

 let 50: 36. 



Rollo, J. D. and E. G. Bolen. 1969. Ecological relationships of Blue and 



Green-winged teal on the high plains of Texas in early fall. Southwest. 

 Nat. 14: 171-188. 



1968 



Schwilling, M. D. and D. L. Keer. 1968. Green-winged Teal nesting in Kansas. 

 Bull. Kansas Ornithol. Soc . 19: 23. 



Threlfall, W. 1968. Atypical behavior of a Green-winged Teal. Wilson Bull. 

 80: 488 



1967 



Campbell, R. W. 1967. Common Teals wintering in southwestern British Colum- 

 bia. Murrelet 48: 27. 



Moisan, G. , R. I. Smith and R. K. Martinson. 1967. The Green-winged Teal, its 

 distribution, migration and population dynamics. U.S. Fish & Wildl. Serv. , 

 Spec. Sci. Rept.— Wildl. No. 100. Washington, D.C. 248 pp. 



Olney, P. J. S. 1967. The WAGBI-Wildfowl Trust Experimental Reserve. II: The 

 feeding ecology of local Mallard and other wildfowl. Wildfowl Trust Annu. 

 Rept. 18: 47-55. 



Rogers, J. P. 1967. Flightless Green-winged Teal in southeast Missouri. Wil- 

 son Bull. 79: 339. 



1966 



Jarvis, R. L. 1966. Occurrence of European or Aleutian Green-winged Teal in 

 western North America with a recent record. Murrelet 47: 15-18. 



170 



