The most expensive cow in the world was sold in 2009 for $1.2 million.
-3
Sloths take two weeks to digest their food.
243
Rattlesnake mating sessions have been known to last more than 22 hours.
232
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
The cat brain weighs about 30g.
167
During World War 1, starving wolves amassed in such great numbers that Germans and Russians had a temporary cease fire to fight off the wolf attacks.
45