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This Species of Whale Sings So Low Predators Can’t Even Hear It
Whales are known for their songs. However, experts say some of those that still have natural predators will often sing extremely low notes to remain stealthy.
Some species of baleen whales avoid attracting killer whales by singing too low to be heard
New research from the University of Washington finds some baleen whale species call at such deep frequencies that they’re completely undetectable by killer whales, which cannot hear sounds below 100 ...