Some otters rely on tools to bust open hard-shelled prey items like snails, and a new study suggests this tool use is helping them to survive as their favorite, easier-to-eat foods disappear.
sea otters
Posted inNPR
California sea otters nearly went extinct. Now they’re rescuing their coastal habitat
California sea otter populations have rebounded in recent decades. New research finds that by feasting on shore crabs, these otters are helping to protect their coastal marsh habitat against erosion.
