Author 'Boucher Marc dit de Meilh' (Id 145427 ) : Another photograph of the Mute Swan (The Swan Mute Swan or mute (Cygnus olor) is a species of bird in the family Anatidae.) Taken around the lake Bourget. This swan is the largest bird that can fly with 10 kilograms for males and a wingspan of 2 meters 50. You should know that this bird is monogamous. Marc Boucher said Meilhan.