Federal marine biologists for the first time have recorded singing by one of the rarest whales on the planet, the North Pacific right whale.
National Oceanic and Atmospheric Administration researchers used moored acoustic recorders to capture repeated patterns of calls made by male North Pacific right whales.
Only about 30 of the animals remain. Whalers nearly wiped out the slow-moving whales, which remain buoyant after they are killed. "It was great to finally get the confirmation when we were out at sea that yes, it is a right whale, and it's a male that's singing," Crance said. "It's a series of sounds that are reproduced in a stereotyped, regular manner that are repeated over and over," she said.
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