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Mute Swan - Cygnus olor | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
First year: 1967 Extirpated year: Established status: Species are present but not confirmed to be breeding. Population persists only with repeated introductions and/or escapes of individuals. Estimated Florida range: 1 county At least 10 years, 9 counties Not reported breeding Statewide trend: Unknown status Threats to natives: The mute swan is a large bird and has raised some concerns about its impacts on native species. Overgrazing aquatic vegetation, displacing native waterfowl, and trampling of nests and nestlings of native birds are all a concern. Species Account: Native to Eurasia, where it has been bred aviculturally since Greek times, and most free-flying populations exist in domestic situations. In Florida, Mute Swans are introduced on public or private lakes by municipalities, property owner associations, and golf courses, where they sometimes establish a local, feral population. It primarily feeds on aquatic vegetation and occasionally on grain, terrestrial grasses, and aquatic inverebrates (Johnsgard 1978). Habitats: Lake
References Ciaranca, M. A., C. C. Allin, and G. S. Jones. 1997. Mute Swan (Cygnus olor) In Birds of North America, No. 273 (A. Poole and F. Gill, eds.) The Birds of North America, Inc, Philadelphia, PA. Johnsgard, P. A. 1978. Ducks, geese, and swans of the world. University of Nebraska Press, Lincoln, Nebraska. Robertson, W. B., and G. E. Woolfenden. 1992. Florida bird species: an annotated list. Florida Ornithological Society, Gainesville, Florida, USA. Stevenson, H. M., and B. H. Anderson. 1994. The birdlife of Florida. University Press of Florida, Gainesville, Florida, USA. Links to more information |
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