‘Silent’ vultures turn out to use a wide range of sounds to communicate
Image: Phys.org
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- Vultures were long thought to make few and fairly simple sounds. Yet no one had investigated in detail how the birds use sound to communicate. For his master's thesis in Jorg Massen's Vulture Cognition Lab, Connor Proudfoot studied the critically endangered Rüppell's vulture. He and his colleagues…