Mosquitoes don't just bite you, they also pee on you.
11
Gorillas can catch human colds and other illnesses.
205
The reindeer is the only mammal that can see UV light.
17
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
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
In 1949, an official boxing match between a bear and a man was held. The bear won.
41