Pablo Escobar Smuggled Four Hippos in 1981. Colombia Now Has 169. Nature, It Turns Out, Does Not Care About Drug Lords.

What Happened

Pablo Escobar illegally imported four hippopotamuses to his private zoo in Colombia in the early 1980s. After his death in 1993, the animals were abandoned and began breeding in the Magdalena River basin. The population has since grown to an estimated 169 hippos, with projections suggesting it could reach 1,000+ by 2035 if unchecked. Colombian authorities are now debating mass euthanasia as one of the few practical options for controlling what scientists call an invasive ecological threat.

Historical Context

Invasive species disasters caused by human vanity or negligence are ancient and recurring. Cane toads were introduced to Australia in 1935 to control beetles — there are now 200 million of them. European rabbits were released in Australia in 1859 for sport hunting — within a decade they numbered in the hundreds of millions. The Nile perch was introduced to Lake Victoria in the 1950s and drove roughly 200 native fish species to extinction. In every case, the window for easy intervention was missed early. Colombia is now at a similar crossroads: the hippo population is still theoretically manageable, but that window is closing. Hippos are, for context, the most dangerous large land animal in Africa — responsible for an estimated 500 human deaths per year on that continent.

What's In Your Control

If you are a Colombian policymaker, ecologist, or river-basin resident: this matters directly to you. If you are not: you can form an informed opinion by reading actual ecological science rather than reacting to the emotional framing around a famous criminal's exotic pets.

Does This Require Action?

Awareness for most readers. If you care about conservation or invasive species policy, this is a genuinely interesting case study. Permission granted to feel conflicted — the hippos didn't choose Pablo Escobar either.