A right whale female named Fission by scientists with an unnamed juvenile male whale is shown during an aerial survey over southern New England waters in March 2023. New England Aquarium photo/NOAA research permit #25739.
Across vast waters, the North Atlantic right whale is tough to spot.
In the race to protect the endangered species, researchers are bringing in more underwater robots—unmanned vehicles known as gliders that slowly patrol the Gulf of St. Lawrence, passively listening for whales.
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