In these wetlands include several species of Anseriformes, such as the common scoter ( Melanitta nigra ), the Long-tailed Ducks ( Clangula hyemalis ), the common goldeneye ( Bucephala clangula ), the tufted duck ( Aythya fuligula ), the Greater Scaup ( Aythya marila ), mallards ( Anas platyrhynchos ), the Eurasian wigeon ( Anas penelope ), the red-breasted merganser ( Mergus serrator ) and the common goosander ( Mergus merganser ).
2.
"Zostera noltii " plays an important part in the winter diet of the whooper swan ( " Cygnus cygnus " ), the mute swan ( " Cygnus olor " ), the brent goose ( " Branta bernicla " ) and the wigeon ( " Anas penelope " ) and in fact, overwinting populations of brent goose in Europe have declined since wasting disease has become established and reduced the quantity of eel grass available.
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