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Conserve ecosystems, not individual species

Fossils reveal that ecosystems persist for millions of years while mammals come and go.

aleoenvironmental reconstruction of the extinct mammal community recovered at the fossil site of Els Casots (Spain), dated around 16 million years ago
Paleoenvironmental reconstruction of the extinct mammal community recovered at the fossil site of Els Casots (Spain), dated around 16 million years ago. Credit: Oscar Sanisidro (Universidad de Alcalá de Henares).