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.

Regular sightings of otters on a river are a sign of a healthy local ecosystem, a charity has said. The Wear Rivers Trust said evidence of the mammals living on the River Deerness in County Durham ...

New research from the Smithsonian Environmental Research Center in Edgewater on river otter feces in the Chesapeake Bay makes revelations about the animal’s diet, the ecological role of parasites and ...

It's no secret that River otters are insanely adorable. They are also very playful little creatures. Unsurprisingly, many people often call them river "puppies." But as playful and rambunctious as ...

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 ...

Sea otters are often portrayed as lovable and relaxed animals that spend their time goofing around. Or, simply floating on their backs in the water with their special rock. While this image is ...

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 ...