SCIENTISTS RECORD FIRST “MEGAPCLICKS” FROM FEEDING HUMPBACK
WHALES IN NOAA’S STELLWAGEN BANK NATIONAL MARINE SANCTUARY

For the first time, researchers have recorded “megapclicks” — a series of clicks and buzzes from humpback whales apparently associated with nighttime feeding behaviors — in and around NOAA’s Stellwagen Bank National Marine Sanctuary. As detailed in the most recent issue of the Royal Society journal Biology Letters, this study offers the first documentation that baleen whales produce this type of sound, normally associated with toothed whales and echolocation.

“We’ve known that humpback whales exhibit a variety of foraging behaviors and vocalizations, but these animals as well as other baleen whales were not known to produce broadband clicks in association with feeding,” said David Wiley, sanctuary research coordinator and leader of the research team. “However, recent work with special acoustic tags has made us reexamine our previous assumptions, with this expansion of the acoustic repertoire of humpback whales.”