Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
Alligators can live up to 100 years.
337
A group of unicorns is called a blessing.
304
There's a rare breed of pig that looks like a sheep.
14
Dogs sometimes fake being sick to get attention.
26
In Australia, there are spiders big enough to eat snakes.
20