Mute swans in flight. Mute swans are an agressive invasive species. There are now over 3,000 mute swans in the Maryland portion of the Chesapeake Bay. They are easily distinguished from the tundra swan by their orange beaks.

Image ID: line2295, NOAA's America's Coastlines Collection
Photo Date: 2000 July 23
Photographer: Mary Hollinger, NODC biologist, NOAA


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