Ecologists have long observed that when food becomes scarce, animal populations exploit a wider range of food sources. So scientists studying southern sea otters at different sites in California’s ...

North American river otters can grow to four feet long from tip to tail. The phrase “this place is a pigsty” might need to be replaced with “this place is an otter latrine.” Particularly the busy ...

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 sea otter diet consists of invertebrates such as sea urchins, crabs, mussels, and squid that can cause grease to accumulate in their fur. As the otters lick their pelts to remove the grease, they ...

Join Micayla from the Lake Superior Zoo as she preps meals for the otters! Get a behind-the-scenes.. Join Micayla from the Lake Superior Zoo as she preps meals for the otters! Get a behind-the-scenes ...

Some coastal wolves in Alaska, U.S., have toxic levels of mercury in their bodies after shifting from a terrestrial diet of deer and moose to a marine diet heavy with sea otters, new research finds.

Scientists know little about the elusive river otters living along the East Coast, but a new study inspired by one bizarre, smelly poop offers some much-needed insight. Reading time 3 minutes ...

For 40 years, scientists have been monitoring the Neotropical otter (Lontra longicaudis) along the southern coast of Brazil. A study published in Estuarine Management and Technologies reveals that ...

Add Yahoo as a preferred source to see more of our stories on Google. A wild sea otter in the waters of Seward, Alaska near Kenai Fjords National Park in the Kenai ...

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 ...

I’m sure you could guess the most prevalent difference between river otters and sea otters. Yes, one species lives in freshwater, while the other lives in marine environments. But did you know that ...