A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
During World War 1, starving wolves amassed in such great numbers that Germans and Russians had a temporary cease fire to fight off the wolf attacks.
45
Sharks have been on the planet longer than trees.
14
Condoms were originally made of animal intestines or linen.
347
In 2011, a male tiger in India adopted a litter of orphaned cubs, taking on the role of ‘mother’. Wildlife officials say such behavior had never been observed before.
9
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79