River otters were once on the brink of extinction in North Carolina due to habitat loss, water pollution, and trapping.

IN WINTER, river otters head upstream into the uplands, seeking areas of fast-moving water that remain open — at least open enough for an otter to slip into a stream in pursuit of fish. You ...

Sea otters were once hunted nearly to extinction because their dense fur was valued as an insulator for clothing. Recent research shows the benefits and challenges of restoring otters in their ...

River Otters utilize and/or construct dens adjacent to permanent water and may make conspicuous mud-slides along the the banks of rivers, streams, and lakes where they belly-slide down into the water.

Mink generally swim higher than otters do, revealing most of their back in the process. An otter swims lower in the water, generally only allowing its head or nose to poke out.

The surfboard-biting sea otter in Santa Cruz has once again evaded capture attempts by wildlife officials.

Believed to be extinct, Eurasian otters show signs of resurgence with three sightings by wildlife officers since 2023.