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This list of birds of California is a comprehensive listing of all the bird species seen naturally in the U.S. state of California as determined by the California Birds Records Committee (CBRC). As of 2009, there are 641 species on this list. Fifteen of these species are introduced (I)–species that are non-native to California but now have established populations. Two of these species are extirpated (E)–species that are native to California but no longer have established populations there (they still do in other places). Birds marked with an asterisk ( *) are currently under review by the CBRC. The CBRC states the following about birds under review: The California Bird Records Committee solicits information on all occurrences in California of the 180 species on this Review List, as well as species unrecorded in California. In general, review species average four or fewer occurrences per year in California, and have been recorded fewer than 100 times. 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 table of contents is grouped into passerines (the largest order of birds) and non-passerines. 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. * Black-bellied whistling-duck, ''Dendrocygna autumnalis'' * * Fulvous whistling-duck, ''Dendrocygna bicolor'' * Greater white-fronted goose, ''Anser albifrons'' * Taiga bean goose, ''Anser middendorffii'' * Emperor goose, ''Chen canagica'' * * Snow goose, ''Chen caerulescens'' * Ross's goose, ''Chen rossii'' * Cackling goose, ''Branta hutchinsii'' * Canada goose, ''Branta canadensis'' * Brant, ''Branta bernicla'' * 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'' * Common pochard, ''Aythya ferina'' * * 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 California」の詳細全文を読む スポンサード リンク
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