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.

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 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 ...

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 ...

North American river otters have lived for a long time in Chesapeake Bay, yet relatively little is known about how their surroundings impact them. So what does daily life for river otters on the ...

The Cape Fear River, Carvers Creek State Park and Gordon Butler Nature Preserve provide Cumberland County with plenty of wildlife sightings, but what creatures could residents see in the area that ...

Humans have hunted the Giant River Otter, contaminated its waterways, taken its food supplies and destroyed its nesting grounds. Today a new refuge for the world's largest otter faces a further ...

PORTLAND, Ore. — A young North American river otter that arrived at Think Wild in Bend earlier this year has been transferred to the Kansas City Zoo & Aquarium after being deemed “non-releasable” to ...

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 ...

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 ...

The mother of a two-year-old girl attacked by a river otter at the Bremerton Marina last September has filed a complaint against the Port of Bremerton, which operates the facility, accusing the agency ...