Witnessing an apex predator is often enough for most people. But what happens when two of the most powerful shallow-water hunters cross paths? In most instances, not much. However, there are rare ...

Bald eagles are another apex predator that have no known natural predators other than humans. They are opportunistic hunters ...

James McCann counters with the Australian vibe. Sure, they’ve got venomous snakes and spiders. Every Australian mentions them ...

One animal's predator is often animal's prey, but not with these species. Many of them are too tough to be taken down, though some have stranger tactics.

Editor’s Note: Call to Earth is a CNN editorial series committed to reporting on the environmental challenges facing our planet, together with the solutions. Rolex’s Perpetual Planet Initiative has ...