Why should you never scare a vulture?

© 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.

Topics in this Podcast: Chuck, howstuffworks, josh, extinction, Stuff You Should Know, Biodiversity, ecology