One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
The head of a jellyfish is called the "Bell."
6
Unsinkable Sam (nickname of a German ship's cat) who served on 3 warships, one German, two British, all sank in action. The cat survived each sinking, floating away on wooden planks to rescue.
19
The Hercules beetle, despite weighing only 100 grams, can lift 8 kilograms, making it one of the proportionally strongest animals in the world.
8
Ants have tiny magnetic compasses in their antennae which help them navigate.
9
A giraffe's kick is so powerful that it can decapitate a lion.
216