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In the 1980s, notorious Colombian drug lord Pablo Escobar imported several hippos to his private zoo. At first, Escobar had one male and three female hippos. Escobar died in 1993, and the hippos were abandoned in the years since. Well, over almost 3 decades, the ‘cocaine hippo’ population has grown to approx 80, and biologists are worried about the hippos’ impact on the local environment and community. The Colombian government has tried to neuter the creatures, but traditional surgical steriliza