Whales get entangled in fishing lines and other ocean debris, which can injure and eventually kill them. Authorized groups who free these large animals are now using drones to help. Photo Credit: Ed Lyman / NOAA MMHSRP (permit # 932-1905) Special thanks to NOAA’s Hawaiian Islands Humpback Whale National Marine Sanctuary, NOAA Fisheries Office of Protected Resources’ Marine Mammal Health and Stranding Response Program, and Ultimate Whale Watch