The Mute Swan Cygnus olor is a species of swan, and thus a member of the waterfowl family Anatidae. It is native to much of Europe and Asia, and as a rare winter visitor the far north of Africa. It is also an introduced species in North America, Australasia and southern Africa. The name `mute` derives from it being less vocal than other swan species. It is recognisable by its pronounced knob atop the bill. Pair of swans in mating season and the image forming a heart.

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