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

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 ...

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 ...

A family of giant river otters was released into the Iberá National Park in northeast Argentina on July 1. The endangered species, with no known breeding populations in Argentina over the past 40 ...

Otters may look adorable, but scientists say their poop is a goldmine of information. A new study from the Smithsonian Environmental Research Center in Edgewater, Maryland, found that otter poop, or ...