Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
Mosquitoes don't just bite you, they also pee on you.
11
The average city dog lives three years longer than the average country dog.
38
Moths are unable to fly during an earthquake.
328
Hummingbirds can weigh less than a penny!
12
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
Honeybees never sleep.
276