As vampire bats move north and chronic wasting disease (CWD) spreads south, a disease researcher is worried it’s only a matter of time before the two find each other, if they haven’t already. Vampire bats are native to South America and Central America. As to whether they’ll ever make it to Wyoming, the chances are “very low,” because vampire bats are adapted to hot, humid climates, he said. So, there’s a chance the vampire bats are already sucking blood from those deer in Mexico, he said. Vampire bats moving north into Texas could transmit rabies to cattle.