Thirty years after Pablo Escobar's death in 1993, the notorious cartel leader's "cocaine hippos" are still wreaking havoc in one of the world's most biodiverse countries.
A new study of the invasive mammals' population in Colombia revealed there could be double the number experts previously estimated, Nature reported. A study in 2021 estimated that there were around 98 individuals, but the more recent census, published in April, puts the population at between 181 and 215.
