This context has set the stage for a series of studies which leverage the incredible long-term view on behavior that this acoustic record provides,” said Oestreich. “Our past research efforts with collaborators from around Monterey Bay opened the door to understanding the behavioral context of patterns in the acoustic data collected on blue whales with MBARI’s hydrophone. Credit: William Oestreich (NMFS Permit #16111) When blue whales dive out of sight beneath the ocean’s surface, scientists turn to the whales’ booming vocalizations to study their behavior. Previous research by Ryan and collaborators at Stanford University-including incoming MBARI Postdoctoral Fellow William Oestreich-coupled the hydrophone’s extensive archive of acoustic data with field studies to better understand blue whale behavior. We aim to tap that wealth to better understand and protect ocean life,” said John Ryan, a biological oceanographer at MBARI. “Because whales and other marine mammals use sound in the essential life activities of communicating, foraging, navigating, socializing, and reproducing, there is a wealth of expressed consciousness in the ocean soundscape. The microphone records the calls of whales-acoustic data that offer insight into the animals’ behavior. Credit: © NOAAĪn underwater microphone (hydrophone) on MBARI’s cabled observatory has been a valuable tool for studying whales that gather seasonally in the fertile waters of Monterey Bay. New research leverages audio recorded by an underwater microphone on MBARI’s cabled observatory to better understand the behavior of these behemoths. The blue whale (Balaenoptera musculus) is the largest animal that has ever lived on Earth, yet we still have many unanswered questions about its biology and ecology.
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