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The list of birds of Alaska includes every wild bird species recorded in the U.S. state of Alaska, based on the list published by the Alaska Checklist Committee. Only birds that are considered to have established, self-sustaining, wild populations in Alaska are included on this list. This means that birds that are considered probable escapees, although they may have been sighted flying free in Alaska, are not included. 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. The following codes are used to designate some species: *(A) = Accidental - only one or two records of species in Alaska *(E) = Extinct - a recent species that no longer exists *(I) = Introduced - population established solely as result of direct or indirect human intervention; synonymous with non-native and non-indigenous __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. *Taiga bean-goose, ''Anser fabalis'' *Tundra bean-goose, ''Anser serrirostris'' *Greater white-fronted goose, ''Anser albifrons'' *Lesser white-fronted goose, ''Anser erythropus'' (A) *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'' (A) *Mallard, ''Anas platyrhynchos'' *Eastern spot-billed duck, ''Anas zonorhyncha'' *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'' *Spectacled eider, ''Somateria fischeri'' *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 Alaska」の詳細全文を読む スポンサード リンク
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