Secret Nature

Snakes have evolved over 120 million years from lizard-like creatures to the most deadly assassins imaginable.

Spiders are carnivores with a bewildering number of different ways to catch prey, but most impressive is their ability to produce silk for a variety of purposes, including building nests for their offspring and weaving elaborate traps.

Despite humans' disgust for flies, they have vital roles to play in nature.

The amazing world of ants, including the massacre of an army ant raid, the intricate relationship between acacia ants and their host tree, and the architectural prowess of weaver ants.

Birds of prey, designed to deal death with speed, stealth and surprise, make up 10% of all bird species.

Macro photography reveals a world of beetles and provides a tour of their lives, which are almost too small for the human eye to follow.