Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
Vampire bats adopt orphans, and are one of the few mammals known to risk their own lives to share food with less fortunate roost-mates.
402
A group of unicorns is called a blessing.
304
Cats sleep for 70% of their lives.
8
A scorpion can hold its breath for up to 6 days.
19