Ducks and Geese:

Wood Duck
Aix sponsa

Northern Pintail
Anas acuta

American Wigeon
Anas americana

Northern Shoveler
Anas clypeata

Green-winged Teal
Anas crecca

Cinnamon Teal
Anas cyanoptera

Blue-winged Teal
Anas discors

Mallard
Anas platyrhynchos

Gadwall
Anas strepera

Greater White-fronted Goose
Anser albifrons

Lesser Scaup
Aythya affinis

Redhead
Aythya americana

Ring-necked Duck
Aythya collaris

Greater Scaup
Aythya marila

Canvasback
Aythya valisineria

Brant
Branta bernicla

Canada Goose
Branta canadensis

Bufflehead
Bucephala albeola

Common Goldeneye
Bucephala clangula

Barrow's Goldeneye
Bucephala islandica

Snow Goose
Chen caerulescens

Emperor Goose
Chen canagica

Ross's Goose
Chen rossii

Trumpeter Swan
Cygnus buccinator

Tundra Swan
Cygnus columbianus

Black-bellied Whistling-Duck
Dendrocygna autumnalis

Harlequin Duck
Histrionicus histrionicus

Hooded Merganser
Lophodytes cucullatus (Mergus cucullatus)

White-winged Scoter
Melanitta fusca

Black Scoter
Melanitta nigra

Surf Scoter
Melanitta perspicillata

Common Merganser
Mergus merganser

Ruddy Duck
Oxyura jamaicensis

Steller's Eider
Polysticta stelleri

Eurasian Wigeon
Anas penelope

Tufted Duck
Aythya fuligula

Cackling Goose
Branta hutchinsii

Barnacle Goose
Branta leucopsis

Long-tailed Duck
Clangula hyemalis

Red-breasted Merganser
Mergus serrator

Spectacled Eider
Somateria fischeri

Common Eider
Somateria mollissima

King Eider
Somateria spectabilis