物种 50
Wandering Whistling-duck
Dendrocygna arcuata
Brent Goose
Branta bernicla
Bar-headed Goose
Anser indicus
Swan Goose
Anser cygnoid
Pink-footed Goose
Anser brachyrhynchus
Greater White-fronted Goose
Anser albifrons
Trumpeter Swan
Cygnus buccinator
Flying Steamerduck
Tachyeres patachonicus
Comb Duck
Sarkidiornis sylvicola
Reunion Shelduck
Alopochen kervazoi
Common Shelduck
Tadorna tadorna
Australian Shelduck
Tadorna tadornoides
Salvadori's Teal
Salvadorina waigiuensis
Wood Duck
Aix sponsa
African Pygmy-goose
Nettapus auritus
Blue-billed Teal
Spatula hottentota
Puna Teal
Spatula puna
Australasian Shoveler
Spatula rhynchotis
Northern Shoveler
Spatula clypeata
Falcated Duck
Mareca falcata
Eurasian Wigeon
Mareca penelope
Chiloe Wigeon
Mareca sibilatrix
African Black Duck
Anas sparsa
Laysan Duck
Anas laysanensis
Mottled Duck
Anas fulvigula
Red-billed Teal
Anas erythrorhyncha
Southern Pintail
Anas eatoni
Andean Teal
Anas andium
Chestnut Teal
Anas castanea
Marbled Duck
Marmaronetta angustirostris
Madagascar Pochard
Aythya innotata
Greater Scaup
Aythya marila
Spectacled Eider
Somateria fischeri
Surf Scoter
Melanitta perspicillata
Siberian Scoter
Melanitta stejnegeri
New Zealand Merganser
Mergus australis
Scaly-sided Merganser
Mergus squamatus
Masked Duck
Nomonyx dominicus
Ruddy Duck
Oxyura jamaicensis
Lake Duck
Oxyura vittata
Maccoa Duck
Oxyura maccoa
White-headed Duck
Oxyura leucocephala
Long-tailed Duck
Clangula hyemalis
Black Swan
Cygnus atratus
Mallard
Anas platyrhynchos
Mandarin Duck
Aix galericulata
Mute Swan
Cygnus olor
Redhead
Aythya americana
Spur-winged Goose
Plectropterus gambensis
Spotted Whistling-duck
Dendrocygna guttata