The Platypus used to be considered a myth like Bigfoot and the Yeti.
18
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79
Squirrels forget where they hide about half of their nuts.
698
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
Bats sleep 18-20 hours per day.
5
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
A cow produces around 200,000 glasses of milk in her lifetime.
373