Global Bird Index - IOC15.1
Dendrocygna
Dendrocygna
Thalassornis
Thalassornis
Cereopsis
Cereopsis
Branta
Branta
Anser
Anser
Coscoroba
Coscoroba
Cygnus
Cygnus
Stictonetta
Stictonetta
Hymenolaimus
Hymenolaimus
Tachyeres
Tachyeres
Merganetta
Merganetta
Plectropterus
Plectropterus
Sarkidiornis
Sarkidiornis
Cyanochen
Cyanochen
Alopochen
Alopochen
Neochen
Neochen
Chloephaga
Chloephaga
Tadorna
Tadorna
Malacorhynchus
Malacorhynchus
Salvadorina
Salvadorina
Cairina
Cairina
Asarcornis
Asarcornis
Pteronetta
Pteronetta
Aix
Aix
Chenonetta
Chenonetta
Nettapus
Nettapus
Amazonetta
Amazonetta
Callonetta
Callonetta
Lophonetta
Lophonetta
Speculanas
Speculanas
Spatula
Spatula
Anas
Anas
Marmaronetta
Marmaronetta
Rhodonessa
Rhodonessa
Netta
Netta
Aythya
Aythya
Polysticta
Polysticta
Camptorhynchus
Camptorhynchus
Somateria
Somateria
Histrionicus
Histrionicus
Melanitta
Melanitta
Clangula
Clangula
Bucephala
Bucephala
Mergellus
Mergellus
Lophodytes
Lophodytes
Mergus
Mergus
Heteronetta
Heteronetta
Nomonyx
Nomonyx
Oxyura
Oxyura
Biziura
Biziura