Dogs sometimes fake being sick to get attention.
26
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
An average cat has 1-8 kittens per litter and can have 2-3 litters per year. During her productive life, one female cat could have more than 100 kittens. A single pair of cats and their kittens can produce as many as 420,000 kittens in just 7 years.
10
The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
2
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79