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A. Cincinnati Zoo B. Duke Primate Center C. Green Swamp D. Assateague Island
E. Prime Hook NWR F. Philadelphia Zoo G. Bronx Zoo H. AMNH
I. Baltimore Aquarium J. Chesapeake Bay K. National Zoo L. NMNH
Herring Gull CHESAPEAKE BAY
Southeastern Maryland [38.2oN, 76oW]
Herring Gull
Photo by Mary Hollinger, NESDIS/NODC biologist, NOAA
 



Estuaries are unique locations where fresh water and salty ocean water mix. Organisms living in these environments must be able to handle osmosis working in both directions. Oysters, other mollusks and crustaceans thrive here.

Organisms:


 
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