Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
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
A domestic cat can sprint at about 31 miles per hour.
274
Worker bees must visit around 4,000 flowers in order to make one tablespoon of honey.
5
Early American humans hunted car-size armadillos and used their shells for houses.
12
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20