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
The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
2
The head of a jellyfish is called the "Bell."
6
In 1955, the citizens of São Paulo were so upset with their government that they elected a rhinoceros named Cacareco (meaning rubbish) to the city council in protest, with over 100,000 votes.
18
Mosquitoes don't just bite you, they also pee on you.
11
There was a bear called Wojtek who was adopted by Polish soldiers during WW2. It carried ammunition, wrestled with soldiers, and drank beer.
40
Ants have tiny magnetic compasses in their antennae which help them navigate.
9