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Why should you never scare a vulture?

   
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© DKAR Images/Tetra Images/Corbis
© DKAR Images/Tetra Images/Corbis

Being ravenous eaters of decaying flesh, vultures have long been shunned by humans. But because of their disgusting habits, vultures provide a much-needed service to the rest of the organisms on Earth, making them the unsung heroes of their ecosystems.