It has been scientifically proven that stroking a cat can lower one's blood pressure!
456
Dolphins have names for one another.
18
Female kangaroos have three vaginas.
2
Dogs sometimes fake being sick to get attention.
26
In 1949, an official boxing match between a bear and a man was held. The bear won.
41
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