Sci-Five | The Hindu Science Quiz: On Vampire Bats

Common vampire bats range from northern Mexico through Central America, and south into the South American countries of Chile, Argentina and Uruguay.

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This nocturnal, flying mammal feeds exclusively on the blood of other animals. To eat the blood, the vampire bat is equipped with sharp incisor teeth that are used to nip a small piece of flesh.

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Draculin (named after Count Dracula) is a glycoprotein found in the saliva of vampire bats.

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Researchers discovered that the vampire bats can locate prey by sensing the sound of an animal breathing. These bats can even recognize the breathing patterns of one animal, like a cow, and return to feed from it night after night. 

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The hairy-legged vampire bat and white-winged vampire bat feed primarily on the blood of birds.

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