A new study reveals Kostensuchus atrox, a massive crocodile-like predator from 70 million years ago, hunted dinosaurs in Patagonia. This apex predator weighed 550 pounds and was a formidable competitor in its ecosystem.
A groundbreaking discovery reveals a new species of giant saber-toothed cat, Machairodus lahayishupup, weighing up to 900 pounds. This prehistoric predator roamed North America 5 to 9 million years ago, reshaping our understanding of ancient wildlife.
