The elephant brain weighs about 6,000g.
274
Baks the blind boxer has a seeing eye goose named Buttons; a four-year-old goose who leads the pup around everywhere either by hanging onto him with her neck, or by honking to tell him which way to go.
16
Lobsters have blue blood.
476
Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
20
A dog's naked behind leaves absolutely no bacteria when pressed against carpet.
250
Cats recognise the voice of their owner, but never evolved to care.
22
Allegedly, Chrysippus, the Greek philosopher, died of laughter after getting his donkey drunk and watching it try to eat figs.
47
When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
5