- 99.999% of calico (3 colors) cats are female. Only 1 in a million calico cats are male. Only 1 in 10 million calico males are fertile. The rest are sterile and cannot reproduce

 - Blue whales weigh as much as 30 elephants and are as long as three greyhound buses.

 - Dogs have about a hundred different facial expressions, most of them made using their ears

 - Certain frogs can be frozen solid then thawed and continue living

 - An Ohio law states that pets have to carry lights on their tails at night.