World's Deadliest Collection

The world's largest snake lurks in the mud of the Venezuelan wetlands. Here, researcher Jesus Rivas stomps barefoot through waters rich with caimans, wading birds, capybaras and even piranhas to capture, tag and study the great anaconda.

India hosts an incredible array of wild creatures that engage in a daily ballet of life and death. These creatures have honed their skills to ensure the survival of their species, and have become experts in tracking down prey and gobbling it up.

The polar bear, brown bear and black bear can weigh more than 1,000 pounds, outrun an Olympic sprinter and take out prey with a single swipe of the paw. Deconstruct these bioengineering marvels to learn the secrets of maximum bears.

The largest reptile on earth is lurking in the rivers of Australia's Northern Territory. A master predator, each year this cunning croc is tested by nature's harsh extremes and must battle for dominance with its own kind.

See how a pride of South African lions hunt three distinct prey animals in the Singita Game Reserve. Observe the Pride's unique strategies as they pursue zebra, impala, and ultimately the tallest land animal, the giraffe.