Kasaken
Kama
Russland
Sibirien
Tscheleba
Ufa
Volga/Wolga
Falck/Falk, Johan Peter
Pallas, Peter Simon, German zoologist
Anas Boschas, Anas platyrhynchos, Linn.
Anas mersa, Oxyura leucocephala, (Scopoli)
Anas platyrhynchos, Linn. > Anas Boschas
Ente
Ente
Mergus merganser, Linn. > Mergus Merganser
Oxyura leucocephala, (Scopoli) > Anas mersa
Stercorarius pomarinus, Mergus Merganser, Mergus merganser, Linn.