The planet earth is inhabited by a high number of species, among them, mammals, insects, oviparous and many species that scientists have studied throughout history.
Some have become extinct and others are still among us, but... beyond the species we know, in this world there are creatures that human beings have not yet been able to describe or identify. That's why today we bring you a terrifying list of creatures that, even if you don't believe it, exist in real life.
