Birds of Canada. 105 



Bucephala islandica. Barrow's Duck. 



This duck breeds in the arctic regions. Visits 

 Canada late in the fall. Head and neck, violet- 

 blue ; a large white patch anterior to the eye ; 

 lower neck and under parts, white ; a narrow 

 white patch on the middle wing coverts ; rest of 

 upper parts, black. 



B.americana. The Golden-eye, or Whistle Wing. 



This duck breeds in Canada. Nests, in a tall 

 dead tree, or in the top of a stub ; eggs, six or 

 eight, of a greenish-blue color. Head and upper 

 part of neck, green ; back and tail, black ; under 

 parts, white. 



B. albeola. The Buffle-head, or Dipper. 



This is a common and well known bird. It 

 breeds in Canada. Nests, in the holes of dead 

 trees ; eggs, six, of a yellowish-blue color. Color, 

 above, black ; beneath, white ; in front of the 

 eye and on the sides, of the collar behind, rich 

 green ; a patch of white on each side of the head. 



Histrionicus torqtiatus. The Harlequin Duck. 



The Harlequin Duck breeds in the far north. 



Visits Canada in the fall. Head and neck, dark 



blue ; sides and upper parts, light blue, becoming 



darker near the tail ; under parts generally white. 



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