Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
57
The oldest recorded elephant lived for 82 years.
213
Dogs have been man's pet for over 14,000 years.
224
Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12
The most expensive cow in the world was sold in 2009 for $1.2 million.
-3
The CIA once spent $20 million on a cat equipped with gear to spy on the Soviets, but it was hit by a taxi.
328