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Family Anatidae 59 



Olor columbianus, Whistling swan 59 



Olor buccinator, Trumpeter swan 61 



Branta canadensis, Canada goose 61 



Brant a nigricans, Black brant 67 



Philacte canagica, Emperor goose 69 



Anser albifrons, White-fronted goose 73 



Chen hyperborea, Snow goose 74 



Anas platyrhynchos, Mallard 74 



Anas strepera, Gadwall '6 



Anas acuta, Pintail 77 



Anas falcata, Falcated teal 78 



Anas crecca, Common teal 79 



Anas carolinensis, Green-winged teal 80 



Mareca penelope, European widgeon 82 



Mareca americana, American widgeon 82 



Spatula clypeata, Shoveler 83 



Aythya americana, Redhead 83 



Ay thy a valisineria, Canvasback 84 



Aythya marila, Greater scaup 84 



Aythya affinis, Lesser scaup 86 



Aythya fuligula, Tufted duck 86 



Bucephala clangula, Common goldeneye 86 



Bucephala islandica, Barrow's goldeneye 87 



Bucephala albeola, Bufflehead 88 



Clangula hyemalis, Oldsquaw 89 



Histrionicus histrionicus, Harlequin duck 90 



Polysticta stelleri, Steller's eider 92 



Somateria mollissima, Common eider 94 



Somateria spectabilis, King eider 97 



Lampronetta fischeri, Spectacled eider 98 



Melanitta deglandi, White-winged scoter 99 



Melanitta perspicillata, Surf scoter 101 



Oidemia nigra, Common scoter 102 



Mergus merganser, Common merganser 104 



Mergus serrator, Red-breasted merganser 105 



Family Accipitridae 106 



Accipiter gentilis, Goshawk 106 



Accipiter striatus, Sharp-shinned hawk 107 



Buteo lagopus, Rough-legged hawk 107 



Aquila chrysaetos, Golden eagle 109 



Haliaeetus albicilla, Gray sea eagle 110 



Haliaeetus leucocephalus, Bald eagle Ill 



Haliaeetus pelagicus, Steller's sea eagle 117 



Circus cyanetis, Marsh hawk 117 



Pandion haliaetus, Osprey 118 



Family Falconidae 118 



Falco rusticolus, Gyrfalcon 118 



Falco peregrinus, Peregrine falcon 119 



Falco columbarius, Pigeon hawk 120 



Falco sparverius, Sparrow hawk 121 



Family Tetraonidae 121 



Canachites canadensis, Spruce grouse 121 



IV 



