Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
A crocodile always grows new teeth to replace the old teeth!
15
It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
109
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
Jaguars frequently get high by eating hallucinogenic roots, which also increases their senses for hunting.
6
The average housefly weighs 10 to 15 millionths of a pound.
33
In Brazil, there's a species of cockroach that eats eyelashes, usually those of young children while they are asleep.
151