It makes its debut in the new issue of Nature Ecology & Evolution.
The third species, the common vampire bat Desmodus rotundus, prefers cows, sheep and horses, with an occasional human. The white-winged bat likes goat blood and that of the occasional snoozing chicken. The hairy-legged bat, the oldest vampire, eats only bird blood. Fossils indicate they lived in the US 5,000 to 30,000 years ago. They live from southern Argentina to northern Mexico, but may venture near Texas and Florida as the climate changes. Vampire bats are so stealthy, and their cuts so tiny, that it isn’t uncommon for prey to sleep through the feeding. Four million years later - fast in evolutionary time - the three species had refined the ability to survive by drinking blood. The three species of vampire bats descended with other bats from a shared ancestor some 26 million years ago. Types of vampire bats A common vampire bat (Brock Fenton) A single brown bat zooming across a backyard on a summer’s eve can eat 500 mosquitoes in an hour. Why do the three species of vampire bats eat only blood, compared to the 1,240 other species that are perfectly happy to eat such things as figs, bananas, birds, fish, frogs and even other bats? Many bats thrive on beetles, moths and mosquitoes. Is the Genetic Literacy Project a corporate ‘front’? GLP responds to ongoing false allegations from US Right to Know / Organic Consumers Association / SourceWatch / Baum Hedlund / Church of Scientology.GLP Integrity Policies: Privacy, Conflicts of Interest, Verification, Fact-Checking Standards and Corrections.Mission, Financial Transparency and Governance.
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