In March of 2024, a park ranger and volunteer were taking their regular walk together around Big Bend National Park. They came across a teeny tiny fuzzy little plant with unusual ribbon-like flowers bursting out of the center – something neither of them had ever seen before. As it turned out, they had stumbled on a rare scientific discovery.

Learn more about the woolly devil, and check out iNaturalist.

For more unusual stories, lists, and offbeat itineraries, check out the Atlas Obscura Explorer’s Guide to the National Parks.