Sea otters helping to balance underwater ecosystems in California by eating sea urchins

Sea otters in Monterey Bay, California, are helping to balance underwater ecosystems by eating sea urchins.

Sea otters in Monterey Bay, California, are helping to balance underwater ecosystems by eating sea urchins.

Otters eat sea urchins which prevents the rise of urchin barrens, areas where the population of sea urchins rapidly increases leading to the destructive grazing of kelp forests.