Up to 100 hippopotamuses, all descended from four animals illegally imported into Colombia by the cocaine smuggler Pablo Escobar in the late 1980s, are menacing Colombia’s marshlands and river systems.
Scientists told The Daily Telegraph that the country must now must cull the aggressive “cocaine hippos” that roam the Magdalena river basin, as they are breeding voraciously in the country’s wet and warm climate. In their natural African habitat, hippos have to contend with a long dry season.