“Megapclicks” — a series of clicks and buzzes from humpback whales apparently associated with nighttime feeding behaviors — have been recorded in and around the sanctuary. The study is the first to document baleen whales producing this type of sound, normally associated with toothed whales and echolocation.

Humpack Whale Sounds
(Courtesy of WCNE)

Vocalization
Groan
Moan
Chirp