Only 3% of bird species have penises.
0
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
Alligator snapping turtles can live for over 150 years. Scientists know this because some of the turtles had musket balls in their stomachs.
271
Whales and dolphins can't taste anything other than salt.
11
Dogs have been man's pet for over 14,000 years.
224
Cats recognise the voice of their owner, but never evolved to care.
22
Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10
A 42-foot sperm whale has about 7 tons of oil in it.
209