Even if you cut off a cockroach’s head, it can live for several weeks.

There’s an island in Bahamas which is only inhabited by swimming pigs.

Dolphins can recognize their old friends even after 20 years of being apart.

Penguins have an organ above their eye that turns saltwater into freshwater.

More people are killed by donkeys annually than are killed in plane crashes.

For every human killed by a shark, two millions sharks are killed by humans.

Dinosaurs may have become extinct, thanks in part to their own powerful farts

A male elephant can use his penis as the fifth leg to support his body weight.

The blesbok, a South African antelope, is almost the same color as grapejuice.

Mosquitoes don’t just bite you, they pee on you after sucking your blood.

The chameleon has a tongue that is one and a half times the length of his body.

The western lowland gorilla’s scientific name is gorilla gorilla gorilla.

Dolphins save humans from drowning because as mammals, they understand drowning.

The Weddell seal can travel underwater for seven miles without surfacing for air.

Humans, chimpanzees and dolphins are the only species that have sex for pleasure.