Why the Skinwalker Legend Deserves Respect in ColoradoFor the Diné (the Navajo people), this is not a fun little cryptid you slap on a t-shirt next to Bigfoot. What Is a Skinwalker in Navajo Legend? In Navajo tradition, a Skinwalker is a human spirit that turned to witchcraft and dark ritual and traded away its humanity for supernatural power. Read More: Colorado's Ute Legend of the Grand Mesa ThunderbirdsThe Legend Is Not Going AnywhereI love good paranormal stories, and I love learning more about stories from the indigenous of this country. The Epic Tale of Colorado's Grand Mesa Thunderbirds The Utes shared the legend of the Grand Mesa Thunderbirds with their young.