A haunting recording of a humpback whale song, captured in 1949, is offering scientists a rare window into how whales once communicated in a far quieter ocean.
The recording believed to be the oldest known example of whale song was uncovered during the digitisation of archival audio at the Woods Hole Oceanographic Institution. Originally captured near Bermuda using early underwater recording equipment, researchers at the time did not actually realise what they were listening to, but preserved it nonetheless.
What makes the discovery so significant is not just its age, but the acoustic environment it represents. The ocean of the late 1940s was largely free from the industrial noise that now dominates many marine habitats. Scientists say this “baseline” soundscape could help us better understand how whales have adapted their communication in response to rising levels of human-made noise, particularly from shipping.
Whales rely on sound for almost every aspect of their lives, finding food, navigating vast distances, and maintaining social bonds. For species like humpbacks, whose complex songs can travel for miles, increasing ocean noise poses a growing threat.
For conservationists, the rediscovered recording is more than a scientific curiosity. It is a powerful reminder of how dramatically our oceans have changed and how important it is to protect the acoustic environment that whales depend on.
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