The Surviving — And Thriving — 'Cocaine Hippos' From Pablo Escobar's Zoo

The Surviving — And Thriving — 'Cocaine Hippos' From Pablo Escobar's Zoo
Some scientists think Colombia's "cocaine hippos" could help fill-in for long extinct megafauna, while others argue that they should go.

September 26, 2018 at 09:32AM
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