The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79
The reindeer is the only mammal that can see UV light.
17
A koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
6
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
In 2005, in Africa, it was reported that three lions rescued a 12-year-old girl from kidnappers and guarded her for half a day until help came.
46
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14