Rise of the Vampire Bat

<strong>Rise of the Vampire Bat:</strong> It's a hard-knock life for an exclusive blood drinker, yet somehow three species of vampire bat take full honors as the only obligate sanguivores. How did they evolve? How does vampire physiology work? Tune into this bloodthirsty episode of Stuff to Blow your Mind to find out.

Image: Gunter Ziesler/Getty

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Topics in this Podcast: vampires, diet, evolution, bats, vampire bats, animals