By snacking on sea urchins, they keep urchin populations in check ... the blubber that other sea mammals have built in) sea otters eat a quarter of their body weight in food every day.

Despite their low numbers, sea otters consume voracious kelp-eating sea urchins at a high ... the sea otters alone could not control urchin populations. Sunflower stars play an integral role ...

“Then when they are done, they push the urchin skeleton ... who like to eat kelp,” she said, explaining that without predators like sea stars and sea otters, the urchins took over and ...

By Tim Didion and Drew Tuma Click here for updates on this story MONTEREY, California (KGO) -- When we first met the hungry otters ...

Want to help California’s kelp forests? Eat sea urchins. Want to help California’s kelp forests? Eat sea urchins. To save kelp forests, scientists try breeding sea stars To save kelp forests ...

But at California’s Elkhorn Slough, a reserve where about 120 southern sea otters live, the cute apex predators have led to green crabs’ demise by eating up to 120,000 of the invasive species ...

Sea otters are a rare species as humans excessively hunted them in the 18th and 19th Century. They were mainly hunted for ...