From tall mammoths to big saber-toothed cats to giant sloths ... hunting by humans and competition for caves. That is right! Dire wolves weren't purely just creatures from the Game of Thrones ...

Illustration by Mauricio Antón depicting the hunting behavior of La Brea carnivores, including saber-toothed cats, dire wolves, and coyotes. Disclaimer: AAAS and EurekAlert! are not responsible ...