Interesting facts about swans

Swans are birds of the family Anatidae within the genus Cygnus. There are six to seven species of swan called the Black-necked Swan, Black Swan, Mute Swan, Trumpeter Swan, Tundra swan which includes the Bewick’s Swan and Whistling Swan, and the Whooper Swan. In addition there is another species known as the coscoroba swan, although … Read more