Sea Otters

Sea otters aren't just adorable animals with more fur per square inch than any other mammal. They're also an important keystone species, meaning their presence is central to the health of their environment. Researchers have recently been investigating how sea otter reintroduction has affected the ecosystem in Olympic Coast National Marine Sanctuary -- check out our video to learn more! #EarthIsBlue #SeaOtterAwarenessWeek