Some coastal wolves in Alaska have toxic levels of mercury in their bodies after shifting from a terrestrial diet of deer and ...

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

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 ...

This female wolf died on Pleasant Island in 2020. A series of tests on the animal identified elevated levels of mercury, likely attributable to her pack’s reliance on sea otters for food. (Photo ...

sea otters. Image via Unsplash As a keystone species, sea otters play a crucial role in maintaining the balance in coastal ecosystems. They help regulate sea urchin populations, which prevents the ...

Along the Pacific coastline, from Alaska to California, an underwater environmental success story is unfolding beneath the waves. Sea otters, those charismatic marine mammals known for floating on ...

What would happen if the fiercest marine predators swapped the salty sea for our freshwater lakes and rivers? It may sou ...

SUMMARY: We, the U.S. Fish and Wildlife Service, in response to a request under the Marine Mammal Protection Act of 1972, as amended, from the U.S. Coast Guard, propose to issue regulations for the ...

River otters can have negative impacts on other animals. One example is a large population of common snapping turtles that was studied for more than 15 years in Canada. Powerful mouths and sharp ...