Reptiles and amphibians live on every continent except Antarctica; frogs hunt bats; Komodo dragons track buffalo; snakes that live and breed in the sea.
Discover how mammals stand out from the crowd, with their intelligence, fat, fur, warm blood and the care they lavish on their young ones.
Birds can fly at high speeds and cover great distances, but also can show murderous tendencies.
Explore the battles fought daily between carnivores and their prey around the world.
An investigation of marine invertebrates and the way they thrive in the toughest parts of the ocean; divers swim into a shoal of predatory Humboldt squid as the creatures emerge from the depths to hunt in packs.
Time-lapse photography reveals all the drama of the plant world, unable to be seen by the naked eye.
Primates are intelligent, capable of problem solving, communicating and social interaction.