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This list of birds of Washington includes every wild bird species recorded in the U.S. state of Washington, based on the list published by the Washington Birds Records Committee. Only birds that are considered to have established, self-sustaining, wild populations in Washington are included on this list. This means that birds that are considered probable escapees, although they may have been sighted flying free in Washington, are not included. Introduced species that are not native to North America, but were brought to this continent by humans are marked on this list as (I). This list is presented in taxonomic order and follows ''The Check-list of North American Birds'' (7th edition, 1998) published by the American Ornithologists' Union. The family accounts at the beginning of each heading reflect this taxonomy, as do the species counts found in each family account. __NOTOC__ ==Ducks, geese and swans== Order: AnseriformesFamily: Anatidae The family Anatidae includes the ducks and most duck-like waterfowl, such as geese and swans. These birds are adapted to an aquatic existence with webbed feet, bills which are flattened to a greater or lesser extent, and feathers that are excellent at shedding water due to special oils. There are 47 Washington species. *Taiga bean-goose, ''Anser fabalis'' *Greater white-fronted goose, ''Anser albifrons'' *Emperor goose, ''Chen canagica'' *Snow goose, ''Chen caerulescens'' *Ross's goose, ''Chen rossii'' *Brant, ''Branta bernicla'' *Cackling goose, ''Branta hutchinsonii'' *Canada goose, ''Branta canadensis'' *Trumpeter swan, ''Cygnus buccinator'' *Tundra swan, ''Cygnus columbianus'' *Whooper swan, ''Cygnus cygnus'' *Wood duck, ''Aix sponsa'' *Gadwall, ''Anas strepera'' *Falcated duck, ''Anas falcata'' *Eurasian wigeon, ''Anas penelope'' *American wigeon, ''Anas americana'' *American black duck, ''Anas rubripes'' *Mallard, ''Anas platyrhynchos'' *Blue-winged teal, ''Anas discors'' *Cinnamon teal, ''Anas cyanoptera'' *Northern shoveler, ''Anas clypeata'' *Northern pintail, ''Anas acuta'' *Garganey, ''Anas querquedula'' *Baikal teal, ''Anas formosa'' *Green-winged teal, ''Anas crecca'' *Canvasback, ''Aythya valisineria'' *Redhead, ''Aythya americana'' *Ring-necked duck, ''Aythya collaris'' *Tufted duck, ''Aythya fuligula'' *Greater scaup, ''Aythya marila'' *Lesser scaup, ''Aythya affinis'' *Steller's eider, ''Polysticta stelleri'' *King eider, ''Somateria spectabilis'' *Common eider, ''Somateria mollissima'' *Harlequin duck, ''Histrionicus histrionicus'' *Surf scoter, ''Melanitta perspicillata'' *White-winged scoter, ''Melanitta fusca'' *Black scoter, ''Melanitta americana'' *Long-tailed duck, ''Clangula hyemalis'' *Bufflehead, ''Bucephala albeola'' *Common goldeneye, ''Bucephala clangula'' *Barrow's goldeneye, ''Bucephala islandica'' *Smew, ''Mergellus albellus'' *Hooded merganser, ''Lophodytes cucullatus'' *Common merganser, ''Mergus merganser'' *Red-breasted merganser, ''Mergus serrator'' *Ruddy duck, ''Oxyura jamaicensis'' 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「List of birds of Washington (state)」の詳細全文を読む スポンサード リンク
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