An adult giraffe's tongue is 17 inches long.
28
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
Bats always turn left when exiting a cave.
40
It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
109
Frogs sometimes eat enough fireflies that they themselves glow.
71
The elephant is one of the few mammals that can't jump!
30
The octopus' testicles are located in its head.
82