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 ...

What animal is cute, fuzzy and found on almost every continent (except Australia and Antartica)? Otters, of course. Part of the weasel family, these mammals are divided into 13 existing species. Some ...

Learn how river otters at Point Reyes turned brown pelicans into recurring prey and why the birds may finally be responding.

MONTEREY, California (KGO) — When we first met the hungry otters of Elkhorn Slough last year, they were chowing down on a species of burrowing crabs blamed for destabilizing the shoreline. Thinning ...

North American river otters have terrible hygiene when it comes to their food. They eat, play and defecate in the same place. But their unhealthy habits make them ideal for detecting future health ...

Sea otters are known for using tools, but not all of them do. A new study finds those that use tools have better survival odds in a world where their traditional food sources are changing. You've ...

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 ...

An invasive species had taken over ecosystems across the West Coast and was threatening to dominate another one in Monterey County, California, when ecologist Rikke Jeppesen began her research two ...

Scientists show that wolves that are eating sea otters in Alaska have much higher concentrations of mercury than those eating other prey such as deer and moose. In late 2020, a female coastal wolf ...