Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
In Australia, there are spiders big enough to eat snakes.
20
A koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
6
Alligator snapping turtles can live for over 150 years. Scientists know this because some of the turtles had musket balls in their stomachs.
271
Bats sleep 18-20 hours per day.
5
The head of a jellyfish is called the "Bell."
6
The octopus does not have a blind spot.
273