A tapanuli orangutan (Pongo tapanuliensis) is seen at Planckendael Zoo, in Mechelen, Belgium, on April 18, 2025. The species was first described in 2017. | Dursun Aydemir/Anadolu via Getty Images When the Swedish botanist Carl Linnaeus published Systema Naturae in 1735, he set out to classify every living thing on Earth — inventing the naming system we still use today and personally describing more than 10,000 species of plants and animals.  Nearly three centuries later, with satellites mapping every continent and AI models that can identify a bird by its song, you might assume we’d p...

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