Some lizards, in which the tail is a major storage organ for accumulating reserves, will return to a dropped tail after the threat has passed, and will eat it to recover part of the sacrificed supplies.
13
Female kangaroos have three vaginas.
2
Dogs have been man's pet for over 14,000 years.
224
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79
Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
12