By Jaden Worlds

A cockroach can live up to four weeks without its head.

Woodpeckers can peck more than 20 times in one second.

 Owls eyeballs are long and shaped like a tube.

 On average, pigs live for about 15 years.

A new born kangaroo is little more than a centimeter long.

 A lion's roar can actually be heard from 5 miles (8 km) away, under the right circumstances.

 A chiefly nocturnal European carnivorous mammal (Mustela putorius) of the weasel family that ejects a malodorous fluid to mark its territory and ward off enemies. Also called fitch.

 A Cornish game hen, also sometimes called a Cornish hen,... Despite the name, it is not a game bird, but actually a type of domestic chicken.

 The greyhound breed was known before the ninth century in England.

 The chameleon can move its eyes in two different direction.

 Greyhound dog is the breed.