KING-NECKED DUCK. 



Aythya collaris. 



BARROW'S GOLDEN-EYE. 



Clangula islandica. 



OLD SQUAW. 

 Harelda hyemalis. 



HARLEQUIN DUCK. 



Histricmicus histrionicus. 



SURF SCOTER. 

 Oidemia perspicillata. 



AMERICAN SCOTER. 

 Oidemia americana. 



