An exploration into what it means to grow old in the animal world as we take a look back at some long, long animal lives.
Show Me Some Backbone
Wet in the Wild
Horns, Antlers, Teeth and Tusks
Big Cats
Full Body Armor
Sea Dogs
Converging on an Idea
Predator, Meet Prey
Language Without Words
The Benefits of Being Wet
The Good Life
Island Hopping
Old World/New World
Locomotion
Exceptions to the Rules
Beat the Heat
Life History
What's So Special?
Big Eaters
Super Animals
Long Live Animals
Herd Mentalility
Weaponry
What's in a Name?
A Day in the Life of Animals
Down to the Bone