• Seven species of swans exist: Whooper, Trumpeter, Tundra, Black-necked, Black, Coscoroba and Mute (featured above).
• The Mute Swan is the most commonly seen member of the swan family, an enormous, all-white bird with the pinkish bill that ends in a black knob. The curving neck of the Mute Swan has 23 vertebrae, the most of any bird.
• Swans generally mate for life. They remain together throughout the year and keep their babies with them until they nest again. If one of a pair dies, the survivor usually takes a new mate and remains devoted.
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