November 20, 2002 · 58 min
From the tiniest bat to the massive blue whale, all mammals share the ability to nurture their young on milk and regulate their own temperatures.
November 27, 2002 · 58 min
Mammals from tiny shrews to giant anteaters have specialised in eating insects. Some have even pursued their prey into the skies.
December 4, 2002 · 58 min
The plant eaters take on the largely indigestible, spiny and poisonous defences of plants with some spectacular physical adaptations to diet.
December 11, 2002 · 58 min
Special tools like chisel sharp front teeth and underground dwelling enable this group of mammals to feast on roots and seeds.
December 18, 2002 · 58 min
Predators and prey must evolve speed, endurance and manoeuvrability to outwit each other, and the pack hunters must maintain order in the ranks.
January 8, 2003 · 58 min
A mammal capable of having a varied diet can be highly adaptable and exploit new environments including the cities where they thrive.
January 15, 2003 · 58 min
With perfect streamlined bodies and great underwater speed, seals, dolphins, porpoises and whales became the new hunters of the sea..
January 22, 2003 · 58 min
A range of adaptations from sucker-feet to gripping tails help the tree dwellers to survive, and in the dark forest super senses come in to play.
January 29, 2003 · 58 min
In the daily hubbub of monkey life, only those with a talent for social wheeler dealing get ahead, driving the shift towards larger brains.
February 5, 2003 · 58 min
The natural world was transformed when one great ape began to walk upright - us. But why has this led to the development of our extraordinary brains?
