Jellyfish as a species are actually older than dinosaurs and sharks.
383
When dragonflies mate, their tails form a love heart.
22
Bats sleep 18-20 hours per day.
5
Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
Dogs sometimes fake being sick to get attention.
26
A cat can jump FIVE TIMES as high as it is tall!
371