Sea otters play a vital role in their ecosystems by controlling sea urchin populations. Without otters, urchins can overgraze kelp forests, causing widespread destruction. By keeping urchins in check, ...

A southern sea otter with a purple sea urchin in Monterey Bay, California. (Credit: Morgan Rector) (CN) — Sea otters are voracious eaters, munching away on shellfish, urchins and other invertebrates ...

Chanel Hason gets a lot of false reports of sea otters on the Oregon Coast. "I get email several times a month of someone saying they saw a sea otter running along the beach in Oregon somewhere,” said ...

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 ...

Sea otters play a vital role in maintaining the balance of sensitive kelp forests. Hidden beneath the surface of our coastal seas are towering forests - of kelp. These underwater ecosystems are as ...