Join QI's expedition into the animal kingdom to encounter 100 of its most remarkable subjects. Marvel at the elephants that walk on tiptoe, pigs that shine in the dark, and the woodlouse that drinks through its bottom.

Albatrosses can fly non-stop for ten years without touching the ground
Box jellyfish have twenty-four eyes
Geese mourn their dead
Koalas don't drink
Monkeys pay to look at porn
Lobsters live for a century
Mice sing while having sex
Spiders can fly