Female kangaroos have three vaginas.
2
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
Sharks have been on the planet longer than trees.
14
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
A 42-foot sperm whale has about 7 tons of oil in it.
209
The largest earthworm on record was found in South Africa and measured 22 feet.
151
Tigers can see 6 times better at night than humans.
305