1970 



Ahlen, I. and A. Andersson. 1970. Breeding ecology of an Eider population on 

 Spitsbergen. Ornis Scand. 1: 83-106. 



Bourget , A. A. 1970. Interrelationships of Eiders and gulls nesting in mixed 

 colonies in Penobscot Bay, Maine. M.S. thesis, Univ. Maine/Orono, ME. 



Cantin, M. 1970. Alimentation de l'eider commun ( Somateria mollissima dres - 

 seri ) dans l'estuaire du Saint-Laurent. M.S. thesis, Laval Univ. /Quebec , 

 PQ. 79 pp. 



Clark, S. 1970. The American Eider. Sea Frontiers 16: 302-308. 



Folkestad, A. 0. and A. Moksnes. 1970. Observas joner av Trekkende aerfugel i 

 Trondelag. [Observations on migrating Eiders in Trondelag, Norway.] 

 Sterna 9: 9-17. [In Norwegian with English summary.] 



Freeman, M. M. R. 1970. Observations on the seasonal behavior of the Hudson 



Bay Eider ( Somateria mollissima sedentaria ) . Can. Field-Nat. 84: 145-153. 



Gorman, M. L. 1970a. The daily pattern of display in a wild population of 

 Eider Duck. Wildfowl 21: 105-107. 



. 1970b. Behavioural and physiological adaptations for breeding in the 



Eider Duck ( Somateria mollissima ). Ph.D. thesis, Univ. Aberdeen/ Aberdeen , 

 Scotland . 



Grenquist, P. 1970. [On mortality of the Eider Duck ( Somateria mollissima ) 



caused by acanthocephalan parasites.] Suomen Riista 22: 24-34. [In Fin- 

 nish with English summary. ] 



Haila, Y. 1970. Palvan Oi jyonnettomuus . [The "Palva" oil tanker catastrophe 

 off the SW coast of Finland.] Suomen Riista 22: 7-13. [In Finnish with 

 English summary. ] 



1969 



Drenckhahn, D. 1969. Mauser und Vorkommen van Edierente, Somateria mollissima , 

 Trauerente , Melanitta nigra , und Samtente, Melanitta fusca , wahrend der 01- 

 pest im Herbst 1968 an der Nordseekuste Schleswig-Holsteins. Corax 3: 23- 

 30. [In German . ] 



Ingolfsson, A. 1969. Behavior of gulls robbing Eiders. Bird Study 16: 45-52. 



Palmer, C. J. 1969. Some observations on the behavior and activity regime of 

 Eider ducklings in creches. M.S. thesis, Univ. Aberdeen/Aberdeen, Scot- 

 land. 



325 



