Why Some Predators Are Suddenly Losing Territory They Once Dominated: The Invisible Shift in the Food Chain.
A new study shows how the loss of large animals thousands of years ago still shapes ecosystems today and may affect their ...
A new study in PNAS finds that the extinction of large mammals like saber-toothed cats between 50,000 and 10,000 years ago permanently altered global food webs, with the Americas most affected.