When dragonflies mate, their tails form a love heart.
22
Lake Nicaragua in Nicaragua is the only fresh water lake in the world that has sharks.
28
Over 10,000 birds a year die from smashing into windows.
47
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
When it comes time to give birth, the female shark loses her appetite so she won't be tempted to eat her own pups.
280
