Pumas vs. penguins, and other clever carnivores

From tiny T. rexes to a car-sized sea monster, we revisit some of our favourite stories about predators in their prime, like:

Smaller tyrannosaur solves decades-long debate about the T. rexAmong Yellowstone’s top predators, wolves beat out cougars as the top dogBears with us. Tracking grizzlies in B.C.Cleveland’s ancient car-sized sea monster had bony fangs made out of its skullWild wolves run for their lives when they hear Big Bad Humans nearbyWhy penguin-eating pumas live closer together in Patagonia