A new study shows the return of sea otters and their voracious appetites has helped rescue a section of California marshland. Researchers found that the return of the crab-eating sea otters to a tidal estuary near Monterey, California, since the 1980s helped curb erosion. (Jan.31)

Hungry sea otters are helping save California’s marshlands from erosion

A new study shows the return of sea otters and their voracious appetites has helped rescue a section of California marshland. Researchers found that the return of the crab-eating sea otters to a tidal estuary near Monterey, California, since the 1980s helped curb erosion. (Jan.31)