Denmark has twice as many pigs as there are people.
66
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
The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
2
Sloths take two weeks to digest their food.
243
Vampire bats adopt orphans, and are one of the few mammals known to risk their own lives to share food with less fortunate roost-mates.
402