■jo. Canada Goose i Branta canadensis) 579 



71. Black Duck (Anas obscura ) 584 



72. Blue-winged Teal I Querquedula discors) 59] 



73. Pintail ( Dafila acuta) 597 



74. Wood 1 >uck I . lix sponsa ) 599 



75. C \xyas-i;ack ( . lythya vallisneria ) 603 



76. American Golden-Eye (Clangula americana) 608 



Ruddy Duck i Erismatura jamaicensis) 618 



78. Red-breasted Merganser (Merganser serrator) 621 



-<). American White Pelican (Pelicanus erythrorhynchos) 626 



So. Loon (Gavia imber) 635 



