Face of a Galapagos lizard.


Preview A hippopotamus-like creature swims underwater

Flippers or Feet?

An extinct mammal may have been replaced by today's sea cows. Dive into this evolution mystery to learn more.

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Are You An Educator?

At Smithsonian Ocean, we have lesson plans, activities, and resources to help you engage your students in the wonders of our oceans.
Banner Credit

Brian Warshawsky, flickr