1 Greylag geese - National Park of Circeo, Italy2 Greylag geese - National Park of Circeo, Italy3 Mallard - National Park of Circeo, Italy)4 Mallard - National Park of Circeo, Italy5 Garganey - Natural Reserve of Posta Fibreno, Italy6 Greylag geese - National Park of Circeo, Italy7 Greylag geese - National Park of Circeo, Italy8 Greylag geese - National Park of Circeo, Italy9 Greylag geese - National Park of Circeo, Italy10 Duck Bride - Racconigi Oasis, Italy11 Barnacle gooses - Iceland12 Barnacle gooses - Iceland13 Barnacle gooses - Iceland14 Black swan - Iceland (allochthonous)15 Black swan - Iceland (allochthonous)16 Whooper swans - Iceland17 Whooper swan - Iceland18 Whooper swan - Iceland19 Whooper swans - Iceland20 Whooper swans - Iceland