One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
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
Ants tend to survive in a microwave because they find the coolest spot and wait!
17
A 42-foot sperm whale has about 7 tons of oil in it.
209
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