70. Canada GoosS (Branta canadensis) 579 



71. Black Duck {Anas obscura) 584 



72. Blue-winged Teal (Querquedula discors) . 591 



73. Pintail (Dafila acuta) 597 



74. Wood Duck (Aix sponsa) 599 



75. Canvas-back (Aythya vallisneria) 603 



76. American Golden-eye {Clangula americana) 60S 



yy. Ruddy Duck (Brisinatiira jamaicensis) 618 



78. Red-breasted Merganser {Merganser serrator) 621 



79. American White Pelican {Pelicanus erythrorhynchos) 626 



80. IvOON {Gavia imber) 635 



