Mute swans with 8 cygnets. Mute swans are an agressive invasive species. There are now over 3,000 mute swans in the Maryland portion of the Chesapeake Bay.

Image ID: line0674, NOAA's America's Coastlines Collection
Location: Lower Patuxent River, Maryland
Photo Date: 1999 May 22
Photographer: Mary Hollinger, NODC biologist, NOAA


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