Long before modern otters became symbols of playful behavior, a much larger version existed. Fossil evidence points to an otter species that reached the size of a lion and occupied the role of a ...

Otters are well known for their playful, energetic, and inquisitive behavior. However, did you know that otter play has a purpose other than just having fun? Or that otters are some of the most ...

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 ...

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 ...

“Stop! Thief!” Watch as this cheeky raccoon brazenly steals food straight from an otter. Did you know that otters are apex predators vital to the health of the Chesapeake food chain? This video is ...

When people talk about sea otters, the words “cute,” “cuddly,” and “curious” often come to mind. But now you can add another descriptor to that list -- climate change fighters. Along the West Coast ...

Conservationists released a family of “Argentina’s top aquatic predator” for the first time since the species went considered locally extinct. Photo from Fundación Rewilding Argentina In a wetland of ...

In a wetland of northeastern Argentina, a family of the country’s “top aquatic predator” ventured outside their enclosure for the first time. They didn’t run or even wander very far, but that wasn’t ...