In this episode of Hiker Trash Radio, host Doc welcomes Dr. Robert Michael Pyle, an author of 30 books on science, natural history, poetry, and fiction. Pyle shares his experiences from his extensive hiking and naturalist background, including a perilous hike in the Gifford Pinchot National Forest and his time as a ranger in Sequoia National Park. They discuss Pyle's favorite piece of hiking gear, his early life and influences, and his significant work in butterfly ecology. The episode highlights Pyle's adventurous spirit, conservation efforts, and his intriguing stories about the Dark Divide and Bigfoot.