From headlines published by the Guardian since 2009.
Pablo Escobar’s hippos can restore a lost world
Pablo Escobar’s hippos are people too
Pablo Escobar’s hippos to cost Colombia $3.5 million
Pablo Escobar’s hippos have become a biodiversity nightmare
Pablo Escobar’s hippos must be culled
Pablo Escobar’s fugitive hippo shot dead
Has Pablo Escobar come back as a hippo?
