
This sea otter, about to eat a crab in the Elkhorn Slough National Estuarine Research Reserve, is cute, sure. But more importantly, it’s indirectly combating some harmful effects of agricultural runoff and protecting the underwater ecosystem. Rob Eby/AP
Listen to this four minute explanation of how important sea otters are, not just for entertainment purposes but for the ecological services they provide:
On the roof of the Monterey Bay Aquarium in Monterey, Calif., in a large plastic tank, a sea otter mother named Abby floats with her adopted pup, known as 671.
For up to nine months, Abby will raise her little adoptee, and when 671 is ready, she will be released into a protected inland salt marsh called Elkhorn Slough, just off Monterey Bay.
That’s where 671 will set to work to preserve the estuary, says Tim Tinker, who tracks otters for the U.S. Geological Survey. Continue reading


















