Legislation is a much more direct way.

Because they have no natural predators here.Colombia on Tuesday began the sterilization of hippopotamuses.

A group of hippos was brought in the 1980s to Hacienda Npoles.descendants of animals illegally brought to the country by late drug kingpin Pablo Escobar in the 1980s.It was part of a larger government effort to control the population of more than 100 of the mammals that roam around unsupervised in some rivers.

told CBS News that because the hippos roam freely.who has lived in Colombia for eight years.

environmental authorities said.

The plan includes sterilizing 40 hippos each year.” Cáceres told news outlets.

9 The siblings were found 40 days after the plane crash that killed their mother.and which fruits and seeds were safe to eat in the rainforest.

according to her grandfather Fidercio Valencia.in the southeastern part of Colombia where the children grew up.