A 385 kg Iberian bear once filled a niche cave bears never occupied. New fossil and island biodiversity research both point to the same lesson: today’s “natural” baselines are already reshaped by millennia of human pressure. #Paleoecology #Archaeogenetics #HumanEvolution

The Baseline That Keeps MovingWhat shrinking Iberian bears and vanishing island birds have in common: neither ecosystem was ever as “natural” as it lookedwww.anthropology.net