Sheep, goats, octopuses, and toads have rectangular pupils.
7
Denmark has twice as many pigs as there are people.
66
A cat rubs against people not only to be affectionate but also to mark out its territory with scent glands around its face. The tail area and paws also carry the cat's scent.
293
Jaguars frequently get high by eating hallucinogenic roots, which also increases their senses for hunting.
6
Cats sleep for 70% of their lives.
8
Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4