Scary and gruesome headline but true.
Vampire bats have been videoed in Southern Peru drinking the blood of Humboldt penguin chicks.
The bats usually prefer drinking the blood of sleeping seals but on very dark and moonless nights the bats will prey on agitated penguin chicks.
For more information and to watch a video of the evil act (Boo to you naughty vampire bats!) visit BBC.co.uk