A giraffe's kick is so powerful that it can decapitate a lion.
216
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
Denmark has twice as many pigs as there are people.
66
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79
Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10
Alligator snapping turtles can live for over 150 years. Scientists know this because some of the turtles had musket balls in their stomachs.
271
