A natural experiment in a national park in Patagonia shows how the return of a large predator can reshape an ecosystem.

Wildlife conservation efforts in the Patagonia region of Argentina have been so successful that rebounding populations of pumas have found an unexpected new main source of prey: Magellanic penguins.

A new study documents the complex interactions between cougars and gray wolves in Yellowstone National Park and finds their ...

Spiders swinging lassos, ants setting deadly traps and turtles with deceiving tongues — these animals have the most cunning methods of hunting their prey. When you purchase through links on our site, ...