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Some whales sing low enough to be ‘acoustically invisible’ to predators: research

  • Male baleen whales adjust their songs based on the threat of killer whales, their only natural predator.
  • Trevor Branch from the University of Washington found that 89% of fighting species of whales call above 1500 Hz, while most fleeing species sing at lower frequencies.
  • Whales that flee from predators sing at lower frequencies, making them 'acoustically invisible' to killer whales, which have poor hearing below 1500 Hz.
  • Branch noted that killer whale predation influences various aspects of baleen whale ecology, including their mating habits and singing behavior.
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Vancouver SunVancouver Sun

Some whales sing low enough to be ’acoustically invisible’ to killer whales: research

Branch said his findings are just the latest in a long line of facts about baleen whale life linked to how they respond to killer whales.

·Vancouver, Canada
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Princeton Similkameen SpotlightPrinceton Similkameen Spotlight
+8 Reposted by 8 other sources

Solo whales sing low in bid to stay off orca predator’s radar

Researchers discover much of a baleen whale’s life driven by the fear of killer whale predation

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City NewsCity News
+11 Reposted by 11 other sources

Some whales sing low enough to be 'acoustically invisible' to predators: research

New research suggests male baleen whales looking for love sing a different tune when attracting a mate, and it all depends on if they are more likely to fight or flee from a predator. Killer whales are the only natural predator of baleen whales — those that eat using a system in their mouths to […]

·Toronto, Canada
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meadowlakeNOWmeadowlakeNOW

Some whales sing low enough to be ‘acoustically invisible’ to predators: research

New research suggests male baleen whales looking for love sing a different tune when attracting a mate, and it all depends on if they are more likely to fight or flee from a predator. Killer whales are the only natural predator of baleen whales — those that eat using a system in their mouths to sieve their plankton diet from the water. Experts have divided baleen whales into two categories based on how they are likely to respond to killer whales…

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Winnipeg Free Press broke the news in Winnipeg, Canada on Thursday, February 13, 2025.
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