There wasn't a single pony in the Pony Express, just horses!
57
The octopus' testicles are located in its head.
82
Crocodiles swallow stones to help them dive deeper.
55
Most elephants weigh less than a blue whale's tongue.
442
A polar bear's skin is black. Its fur is not white, but actually clear.
25
Salmon can jump as high as 6 feet.
40
Termites work 24 hours per day and they do not sleep.
57
Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
12