When an invasive species of crab was threatening an entire ecosystem in Monterey County's Elkhorn Slough, an unexpected hero stepped in to save the day.

Sea otters are rare in most ecosystems after they were hunted to near extinction in the 18th and 19th centuries. But at ...

At Elkhorn Slough National Estuarine Research Reserve, a newly-reinvigorated population of native southern sea otters has ...

Another milestone for the otter program came when scientists at the aquarium figured out that the Elkhorn Slough, a beautiful seven-mile estuary just up the road from the aquarium, was the perfect ...