The reindeer is the only mammal that can see UV light.
17
A lion in the wild usually makes no more than twenty kills a year.
186
The cat brain weighs about 30g.
167
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
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
5
Travis was a chimpanzee who socialized with humans since birth. He could log onto a computer to look at pictures, watch TV using a remote control, brush his teeth, feed hay to his owner's horses, water plants, and learned the schedule of passing ice cream trucks.
11