Mute Swans - USDA

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USDA-APHIS Wildlife Services Urbandale, Iowa Human-Wildlife Conflicts Mute swans (Cygnus olor, Figure 1) are an invasive species originally brought to the United States in the late 19th and early 20th centuries for ornamental ponds and lakes, zoos and aviculture collections. Original populations were located in northeastern states along the Hudson

  Wildlife, Usda