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 ...

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.

The last time I wrote about otters, I stated that sea otters are in my top 10 list of “most appealing adult mammals.” First, they are engagingly cute, especially when floating on the ocean’s surface ...

FOREST KNOLLS, Calif. -- River otters used to be in almost every creek in the Bay Area, but they were driven out decades ago by water pollution, hunting, and the loss of wetland habitat. Now, thanks ...

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 ...

North American river otters, known as cute and playful swimmers, once lived in every major river system in Pennsylvania. But because of development, agriculture and industrialization, otters had ...

North American river otters eat, play and defecate in the same place. And their unhealthy habits make them ideal for detecting future health threats in the environment. Kristen Goodhue A North ...

Adorable Sea Otter Spotted Wagging Their Tail Reminds Shocked Viewers of a Happy Dog originally appeared on PetHelpful. There are so many fun reasons to visit the coast, from sunbathing and relaxation ...

SUAMICO, Wis. (WLUK) -- Two river otters from the NEW Zoo in Suamico escaped their habitat during Winter Storm Ezra and zookeepers are looking for them. In the early morning hours of Thursday, North ...

The girl eventually resurfaced after being pulled underwater, according to the agency. WDFW said the otter bit the mother as ...