In the forests of Bolivia, a spotted wildcat has quietly inhabited the landscape for generations — unseen by science, unnamed by the wider world. Researchers have now formally identified it as an entirely new feline species, the first such discovery in the country in over a century. The announcement, the product of nearly a decade of careful investigation, invites us to reckon with how much of life on Earth still eludes our understanding, and how fragile the window for such discovery has become.