Sea otters have been missing from the Oregon coast for more than a century, and local non-profit Elakha Alliance is trying to ...

Despite their consumption of the largest urchins, the sea otters alone could not control urchin populations. Sunflower stars play an integral role in these kelp forest communities by preying upon ...

After missing from the Oregon coast for more than a century, sea otters are getting a step closer to staging a comeback.

To save kelp forests, scientists try breeding sea stars To save kelp forests, scientists try breeding sea stars Massive marine die-off in Russia could threaten endangered sea otters, other ...

With the Southeast Alaska sea otter population now at around 25,000, Douville hunts, in part, to reduce the otter population ...

A southern sea otter (Enhydra lutris nereis) foraging on a purple sea urchin (Strongylocentrotus purpuratus) in Monterey Bay, California, USA. Image by Morgan Rector. Disclaimer: AAAS and EurekAlert!

After missing from the Oregon coast for more than a century, sea otters are getting a step closer ... kelp forests and controlling invasive sea urchin populations. “They’re the guardians ...

Urchins however are readily consumed by sea otters (keystone species), and by keeping urchin numbers low, otters assure that the kelp forest community remains intact. Bottom-up forces influence ...