Where there are otters, there are healthy waters. Which is why the nonprofit group monitoring the health of the Rivanna River ...

Utterly charming, otters are web-footed animals that inhabit rivers and seas around North America, Asia, Europe, Africa, and ...

Two North American river otters have a new outdoor habitat at the National Mississippi River Museum and Aquarium.

The otters, however, were not very subtle in their escape. They left fresh tracks in the snow, galavanting around the zoo and beyond in full view of cameras. The pair never went very far, which is ...

A river otter swims at Tilden Park's Jewel Lake in Berkeley, Calif. on Thursday, Nov. 17, 2011. Jen Joynt/Special to The Chronicle. It's wild times in the watershed.

River otter populations have declined since the 1600s for numerous reasons, including the fur trade and loss of habitat. Detroit had “incredible pollution,” Hartig said.

A crying eight-week-old baby otter abandoned by a river was "growing stronger every day" following his rescue, a charity said ...

River otters can be territorial and aggressive, experts say. AFP via Getty Images. The mother sustained a bite to her arm, while the child had “scratches and bites to the top of the head, ...

The river otter triplets, Montello, Fisher, and Lily, were born to first-time parents Elva and Dragonroll at Wisconsin's Henry Vilas Zoo on Feb. 15 ...

In addition to the river otter biting the mother’s arm, the child had scratches and bites on the top of their head, face and legs. They were treated at a hospital in Silverdale, Washington.

A river otter pulled a young child underwater in Washington state Thursday morning while a mother and child walked on a marina dock, wildlife officials said. The otter continued to attack as the ...