There's no hiding place in the forest undergrowth: giant tarantulas, jaguars and venomous snakes lurk in the foliage ready to claim their next victims.
Incredible underwater struggles for life or death. Dramatic second-by-second analysis, from the tactics of the striped marlin to the cunning and power of the killer whale.
Predator and prey play a deadly game of hide-and-seek in one of nature's most complex hunting grounds. Danger lurks on the ground, in the trees and from the skies.
It takes a particular kind of hardiness to hunt in freezing conditions. Polar bears, eagles, wily coyotes, bowhead whales - kitted out to survive, they are built for the kill.
From the murky shadows emerge the creatures of the night. Bats, owls, boas and jackals lie in wait to ambush prey and the smaller predators can be just as deadly.
These predators are the snipers of the animal kingdom. They lay in wait for prey to draw near before delivering a deathblow to their unsuspecting victims.
A survey of mouths that kill. See birds, mammals and insects putting their modified jaws to deadly use - the great white's legendary 'biological hinge' is remarkable.