Gradual waterfront revitalization and de-industrialization has allowed the otter to go beyond mere sheltered streams in ...

In a new study published in Frontiers in Mammal Science, Smithsonian scientists analyzed the otters' diets and "latrine" habitats in the Chesapeake Bay for the first time. They discovered river otters ...

Three North American river otters play in the snow on the docks of the Smithsonian Environmental Research Center. Detected with SERC’s night-vision wildlife cameras. North American river otters have ...

You might think river otters would be deathly afraid of alligators. After all, alligators do prey on otters. However, would you believe that sometimes it’s the other way around? A video taken in ...