Posted by: Rebecca Whitham, Communications *Species Spotlight: Common Vampire Bat ( Desmodus rotundus ) Forget Dracula—the common vampire bat stealthily feeds on the blood of mammals, and sometimes domesticated birds. Let’s set the scene… Flying about 3 feet off the ground, the bat uses its sharp sense of smell and echolocation to find a “victim.” This bat is lucky—there’s a sleeping cow right ahead! So as not to alert the cow, the bat lands on the ground and easily crawls or hops to its snoozing dinner, using its thumbs, forearms and wings. It lightly climbs onto the cow and uses heat sensors in its nose to find where blood is near the skin’s surface. The bat licks the site clean with its tongue and then trims the cow’s hair with its teeth. It then painlessly cuts through the skin and injects saliva containing a chemical to prevent blood clots. The bat then laps oozing blood with its tongue. The bat soon becomes engorged with blood and is too heavy to fly away. It crawls off the cow