Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
Sheep, goats, octopuses, and toads have rectangular pupils.
7
One in three dog owners say they have talked to their pets on the phone.
427
Ants have tiny magnetic compasses in their antennae which help them navigate.
9
It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
109
Cats recognise the voice of their owner, but never evolved to care.
22