On a remote island off of Nantucket, scientists are using a tool most commonly associated with war and surveillance to get a look at fuzzy baby seals.
Researchers who want to get a handle on the growth of New England’s gray seal population have been using drones as part of an effort to photograph the animals, which gather in huge numbers on remote islands.
The National Oceanic and Atmospheric Administration used a pair of unmanned aircraft on Muskeget Island off of Massachusetts to take pictures of seal pups in January. The island is the biggest gray seal breeding colony in the country.
The pictures will help scientists find how many gray seals there are in Northeastern waters, said Kimberly Murray, the coordinator of the seal research program at NOAA’s Northeast Fisheries Science Center.
“We need to know how many seals there are before we can know what’s going on, and how to manage them. Or, I should say, manage us,” Murray said.
Watch gray seal pupping cam live from Seal Island, Maine
The population of gray seals, which can grow to more than 600 pounds as adults, has rebounded since the mid-20th century after being decimated by hunting. The growth of the seals has generated some complaints from charter fishing boat operators and beachgoers, creating a need for data about their population.
The scientists used two drones on Muskeget – a six-wing aircraft that resembles a helicopter and another that looks somewhat like a foam bird. Two-person research teams launched them from dunes on the island, surrounded by seal pups. One researcher used a joystick to operate a drone while the other monitored a real-time video screen.
“One of the hardest parts was accessing the island,” said Elizabeth Josephson, a data manager and drone pilot.
The research focused on the six-week gray seal pupping period, and the video and data will be used for ongoing studies and research. It will be many months before the results are known.
The drone project was part of a larger effort that used manned aircraft to photograph seals elsewhere in Massachusetts and in Maine.
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