4 years ago
Pablo Escobar's hippos have become an invasive species in Colombia
In the early 1980s, infamous drug lord Pablo Escobar created a family zoo full of exotic animals in Colombia, including rhinos, giraffes, zebras and hippos. When Escobar's empire crashed in the '90s, the animals were relocated to zoos -- except for the four hippos, now considered an invasive species whose waste is wreaking havoc on the Colombian aquatic ecosystem, according to a new study published in the journal Ecology.
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