Vampire bats made to run on treadmills in a lab reveal ... The bats latch on to prey, and make a tiny, painless incision with their teeth, to lick the blood up with their tongues, sometimes ...

We couldn’t hear their sounds, but the bats’ faces were contorted, their teeth chattering furiously, their long ears vibrating. A woolly false vampire bat flaps into a moonlit night.

Researchers have discovered an infrared-sensing protein channel that allows vampire bats to identify the hottest part of the animal—veins close to the skin’s surface that carry 38 degree-Celsius (100° ...