12 CHECK LIST OF THE 



Subfamily FULIGULINtE. Sea Ducks. 



Genus AYTHYA. 



42. Redhead. 



(Aythya americana.) 



A common summer resident, most abundant in southern Ontario 

 in spring and autumn. 



They breed in the marshes of the north, and the bulk of them 

 retire to the south when their haunts are frozen over, in some seasons 

 a considerable number spend the winter on Lake Ontario. 



43 Canvas back 



(Aythya valjisneria.) 



A regular but uncommon visitor to this Province, it breeds in the 

 northwest and may perhaps sometimes do so in our northern marshes. 



SuBGENUS FULIGULA. 



44. American Scaup Duck. 



(Aythya marila.) 



The great majority of these birds are spring and autumn visitor 

 to southern Ontario but they do not go verj'^ far north to breed and a 

 great many spend the winter along the shores of Lake Ontario. 



45 Lesser Scaup Duck. 



(Aythya affinis.) 



Common summer resident, breeding in the large marshes through- 

 out the Province. 



It arrives as soon as the ice moves in the spring and remains until 

 the marshes and bays freeze up. I have not observed it during the 

 winter. 



46. Ring-necked Duck. 



(Aythya collaris.) 



Regular summer resident, less abundant than either of the pre- 

 ceding species. 



Genus CLANGULA. 



47. Golden-eye Duck. 



(Clangula clangula americana.) 



Common winter visitor may perhaps breed in the Northern part 

 of the Province, as it regularly does so in Southern Manitoba. 



