Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
Domestic pigs average a top speed of about 11 miles per hour.
182
There's a rare breed of pig that looks like a sheep.
14
When Koko, the gorilla famous for knowing sign language, was asked where gorillas go after death, she responded by signing “Comfortable hole, bye.”
23
Rattlesnake mating sessions have been known to last more than 22 hours.
232
A cat can jump FIVE TIMES as high as it is tall!
371