The unicorns of the sea are rather elusive. Learn more about the drone footage that gave researchers a better look inside their lives and how they use their tusks for foraging and play. The unicorns of the sea are rather elusive. Learn more about the drone footage that gave researchers a better look inside their lives and how they use their tusks for foraging and play. Planet Earth All Articles | Discover Magazine
Watch This Rare Drone Footage of Narwhals Using Their Tusks to Play and Explore
