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A hippopotamus-like creature swims underwater
Article

Flippers or Feet? An Extinct Mammal May Have Been Replaced By Today's Sea Cows

In the seagrass beds and kelp forests of the Oligocene-Miocene transition, nearly...
August 2016
These Smithsonian field stations enable scientists worldwide to conduct long-term studies on mangrove ecosystems.
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Smithsonian Research Stations

Smithsonian scientists and their colleagues are investigating important questions...
November 2009
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  • Ocean Life
    • Marine Mammals
    • Sharks & Rays
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    • Plankton
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    • Microbes
  • Ecosystems
    • Coral Reefs
    • Deep Sea
    • Coasts & Shallow Water
    • Poles
    • Census of Marine Life
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    • Temperature & Chemistry
  • Through Time
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