Sea otters are one of nature’s most fascinating creatures, beloved for their playful personalities and critical role in marine ecosystems. From their dense fur to their impressive tool use, these ...

Sea otters are North America’s smallest marine mammal, weighing just 30 to 100 pounds, but their appetites are huge. They burn calories at three times the rate expected for their size, chomping on ...

Some days feel off in a hard-to-name way, even when nothing specific is wrong. That is often when small, grounding reminders ...

Sea otters are not just cute and lovable—they also help a crucial habitat flourish. These critters have a well-known influence on kelp forest ecosystems. In Central California, the mammals mostly eat ...

New modeling method helped researchers understand why kelp forests returned more slowly in Southern California than in British Columbia. When sea otters were reintroduced along the coastlines of ...

Southern sea otters living along California’s coast are struggling in warmer seas, with new threats and changing food sources. They, like the other two sea otter subspecies, are classified as ...

Along a remote stretch of the Alaskan coast, gray wolves have quietly rewritten the rules of what a top land predator eats.

Their fur is so soft it almost led to their extinction, but otters’ recovery has been a boon to Pacific kelp forests, a key habitat for other sealife Sea otters use their agile, grippy forepaws to ...