Download a professional PDF field guide featuring all the species found in Mallows Bay – Potomac River National Marine Sanctuary. Perfect for outdoor adventures, education, and nature exploration.
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Showing 20 most frequently observed species out of 80 total documented species.
Spoonwood
Pawpaw
American Beech
Bald Eagle
Mayapple
Holly Fern
Sweet Gum
Osprey
Mottled Pipsissewa
Great Blue Heron

Woodbine
Tuliptree
Poke
Tiger Swallowtail
Indian Turnip
Monarch
Sassafras
Common Whitetail
Bluets
Get all 80 species with 3-4 high-quality images each, detailed descriptions, and a downloadable PDF for offline use.
Compared to 8 nearby locations in Charles County County, Maryland
These comparisons are based on documented wildlife observations from citizen science data. Locations with higher species counts may have more observation activity, different habitat types, or larger coverage areas. Regional rankings help identify biodiversity hotspots and unique natural areas within Charles County County.
The Mallows Bay – Potomac River National Marine Sanctuary ecosystem supports 80 documented wildlife species across 76 taxonomic genera. Located in Charles County, Maryland, this area provides critical habitat with diverse natural communities. The location hosts 17 frequently observed species and 15 occasionally documented species, creating a balanced ecosystem with both resident and visiting wildlife. This location ranks #98 for species diversity among 100 Charles County County natural areas, placing it in the 2th percentile for biodiversity.