How vampire bats evolved to get the most out of their bloody diets

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How vampire bats evolved to get the most out of their bloody diets
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Blood isn't the most nutritious meal, but that hasn't stopped vampire bats from drinking up.

. “They have pretty exceptional terrestrial locomotion skills, while in other bats it’s much more limited,” Hiller says.Because of their low-nutrient diet, vampire bats are very vulnerable to starvation. Sated bats regularly share regurgitated blood with neighbors who failed to obtain their nightly meal. “The decision with whom to share blood is primarily driven by who was helping you out in the past,” Hiller says.

Three had been reported previously and were linked to sweet and bitter taste perception, indicating that vampires have a poor sense of taste. “If you only feed on blood from a live animal, you don’t have to worry about the meaning of new flavors or your food being spoiled,” Carter noted. Most exciting, he says, were two cases where ditching a particular gene seems to have directly helped vampire bats adapt to their “very specific” lifestyle.dangerous consequences

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