Colombia plans to deport at least 70 of the “cocaine hippos” that live in and around Pablo Escobar’s former ranch, CBS News reported.

The drug lord illegally imported hippopotamuses to his Hacienda Nápoles ranch, about 125 miles away from Bogotá, in the 1980s. When he was fatally shot in 1993, four hippos were left at the ranch.

Decades on, however, environmental authorities estimate that there are now about 130 hippos in the area, with the group having rapidly reproduced and spread beyond the confines of the ranch, CBS News reported.

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Authorities fear that the number of hippos could reach 400 within eight years, with the animals multiplying fast because of a lack of natural predators, favorable weather conditions, and ample food and water, CBS News said.

Read more: yahoo