making whale songs a barometer of the effects of climate change on ocean ecosystems. The waters of the Monterey Bay National ...

fin and blue whales — located off the U.S. West Coast. Using submerged microphones, known as hydrophones, researchers recorded whale songs in the Monterey Bay National Marine Sanctuary ...

The finding indicates whale songs could serve as a barometer for their overall health, the study said. ‘It is a window into their lives.’ ...

fin and humpback whales that cruise the coast during their annual migrations. Whales sense their surroundings largely through sound and create complex vocalizations, or songs, when they’re ...