Dolphins have names for one another.
18
The oldest creature ever found was Ming the clam at an admirable 507 years old.
16
Allegedly, Chrysippus, the Greek philosopher, died of laughter after getting his donkey drunk and watching it try to eat figs.
47
A cat rubs against people not only to be affectionate but also to mark out its territory with scent glands around its face. The tail area and paws also carry the cat's scent.
293
When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
5
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2