Cats may be cuddly, furry little creatures but in Australia they’re often a menace, killing wildlife all over the place. Even scarier is that feral cats can get huge as the above picture shows with a feral cat walking away with a sand goanna in its mouth.

Emma Spencer, a researcher for the University of Sydney, said it was a “bit shocking” to see such a cat with such a large prey. If you think your cat is lovable, think of it through the eyes of its prey and you’ll realize cats are adorable little killing machines, like the Terminator from the science fiction movies but scarier.

To learn more about Australia’s feral cats, click here.