There’s just something about watching animals interact with their food that is super entertaining, especially when they are encountering a piece of food for the first time. Their whole process of ...

Scientists discovered that river otter droppings contain large numbers of parasites that infect the animals’ prey, indicating that otters may play a significant role in shaping local food webs.

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 ...

The unlikely security camera footage reveals that unlike 20 years ago, these charming riverine mammals are no longer rare.

While sea otters spend the majority of their time in the water, river otters will often run and play on land. This leads to some interesting behavior that reminds us of fun childhood games: the “run ...

I’m sure you could guess the most prevalent difference between river otters and sea otters. Yes, one species lives in freshwater, while the other lives in marine environments. But did you know that ...

SAN MARCOS, Texas — Otters have returned to the San Marcos River, according to a report from The University Star, Texas State University's student-run newspaper. A glass-bottom boat manager told The ...

Otters feed on things like fish and crawfish, which are very sensitive to pollutants. "It's a good indication the ecosystem is working well, our river is in good health and there is enough amount of ...

North American river otters once lived in every major river system in Pennsylvania. But because of development, otters largely disappeared from the state by the early 1900s. File - A North American ...