When the fur trade wiped out North America’s sea otters in the early 20th century, sea urchins—a favorite otter food— ...

Sea otters have powerful teeth and even more powerful bites – an estimated 615 pounds of force. That’s about as much as a ...

But while kelp grew back off both coasts, forests in British Columbia ... which slowed down the influence sea otters had on the entire system. The animals didn’t have as strong an effect as ...

The rich resources of Pacific kelp forests helped humans populate the Americas. Now depleted by as much as 95 percent, they ...

Adorably fuzzy sea otters aren’t just cute. The marine mammals serve a crucial role, helping to restore the giant kelp forests they rely on by removing their top predators, the sea urchins.

Animal care staff is training Opal to join the ... healthy marine habitat by helping restore wetlands and protect kelp ...