Swan is a bird that usually inhabits large, shallow wetlands and open water. It has a feathers skin type. This type of birds usually have 200cm - 350cm (79in - 138in) wing span. The preferred food type is omnivore. The maximum speed it is able to reach is 80km/h (50mph). Swan which scientific name is cygnus atratus is usually 91cm - 150cm (36in - 60in). These birds usually live 8 - 12 years. The average weight of the swan is 10kg - 15kg (22lbs - 33lbs).