Dolphins have names for one another.
18
The seahorse is the only fish to have a neck.
12
Allegedly, Chrysippus, the Greek philosopher, died of laughter after getting his donkey drunk and watching it try to eat figs.
47
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
The largest earthworm on record was found in South Africa and measured 22 feet.
151
In 1955, the citizens of São Paulo were so upset with their government that they elected a rhinoceros named Cacareco (meaning rubbish) to the city council in protest, with over 100,000 votes.
18