The Guadalupe River House Part 2 Have you ever heard of the Lechusa or La Lechuza? I'd say look it up if you aren't familiar with the legend, but there are so many conflicting stories out there. Essentially, this story originated in Mexico and says that a witch takes the form a giant owl. Bullets and other man-made weapons cannot kill it. My dad swore he encountered one at the Guadalupe River House. spooky threads