Bats sleep 18-20 hours per day.
5
It has been estimated that a bite from a grizzly bear can crush a bowling ball.
11
The elephant brain weighs about 6,000g.
274
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
Tigers can see 6 times better at night than humans.
305
There's a rare breed of pig that looks like a sheep.
14
A banana slug can be 6-8 inches and their erect penis can be just as long. Also, their penises emerge from their heads. After sex, banana slugs eat each others penises.
17