Until recently, there used to be giant vampire bats (the size of small fruit bats) in South America. When humans wipes out large herbivores such as ground sloths, these bats went extinct. :
Design Toscano Demon of the Night Vampire Bat Statue & Reviews | Wayfair
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The remains of the last giant vampire bat were found (PHOTOS) - ᐉ News from Fakti.bg - Curious - World Today News
Giant Vampire Bat Images, Illustrations & Vectors (Free) - Bigstock
File:False Vampire bat remains of meal.jpg - Wikimedia Commons