Sir David Attenborough travels to the both warmest and the coldest environments in the world in search of some of the most adaptable of animals; the mammals.
An all-encompassing insight into the habits and rituals of mammals.
See photos from the landmark series The Life of Mammals.
Nigel stakes out a sett to show how to film this illusive mammal's fascinating behaviour.
You want to head out and film wildlife, but how do you find it? Simon King gives his tips.
Professor Alice Roberts asks how did Smilodon use it's terrifying teeth?
Great Bear Stakeout watches the every move of a population of grizzly bears.
The thick, folded skin of the rhinoceros looks almost like armour plating.
The hedgehogs spiky armour would put off any prospective mother-to-be.
The discovery of a new powerfully built ape fuelled stories of savage beasts.
A vampire bat feeds on the blood of a pig after opening a wound in its leg.