protein.
They need blood to survive
Vampire bats utilize all the nutritional components of blood, not just the protein.
It is not vmapire bat like the mythical creature vampire. They are related in no way. Ask yourself why do i crave _______? there would be your anwser. (fill the line in with something you crave) Because it's their source of food?
Another vampire bites you. I guess the saliva will enter the blood stream and you crave blood and reject sunlight.
Go get help on this feeling of a need for blood.
Apart from the Vampire bat, which is real, vampire humans are imaginary creatures. As imaginary creatures they can crave whatever the imagineer can come up with, but a craving for human blood sets up the best story line.
Yes, Vampire bats do suck animal blood!
Vampires and Vampire bats both drink blood. The only difference is that vampire bats drink animal blood. Plus vampire bats are real. The other type are fictional.
Vampire bats typically drink blood from sleeping animals.
Only Vampire bats feed on blood. The species that do this are the Common Vampire Bat, the Hairy-Legged Vampire Bat and the White-Winged Vampire bat.
your blood
blood