World's Deadliest Collection

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. Out maneuvering the prey is no easy task; especially when each species is equipped with its own set of defensive adaptations. Even so, the lions must eat - and their hunting skills must prevail if they are to survive.

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. Using high-speed cameras and infrared technology, National Geographic reveals how this stealthy "salty," with senses and instincts honed over the ages, is able to retain King Croc status.

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.