THE COLUMBIAN GOVERNMENT is planning to declare that a herd of hippopotamuses descended from animals imported illegally by drug lord Pablo Escobar in the 1980s are an exotic invasive species.
People from the town of Puerto Triunfo have grown accustomed to living near the herd, and many are opposed to any measures to control the population.
Within weeks, the government plans to sign the declaration, meaning it must come up with a plan for how to control the hippo population, which has reached 130 and is projected hit 400 within eight years.
Among the strategies being debated are castration, sterilisation or even a cull.
Colombian environment minister Carlos Eduardo Correa said many strategies are being discussed on controlling the hippos, but no decisions have been made.
Local communities will be consulted about any plan to control the hippos’ population, he added.
“They talk of castration, sterilisation, taking the life of some hippopotamuses,” he said. “What is important is the scientific and technical rigour with which the decisions are made.”
Living with hippos
Most people interviewed in Puerto Triunfo, some 120 miles from the capital, Bogota, say they can get along with the hippos.
Local resident Alvaro Molina has had his run-ins with the burly creatures, who showed up about a decade ago along the river in front of his house in Colombia’s Antioquia province.
But he has learned to live with them and says he is worried about them coming to any harm under the government plan.
The 57-year-old says he supports the hippos even though he is one of the few Colombians to have been attacked by one. He was out fishing one day when he felt a movement beneath his canoe that spilled him into the water.
Isabel Romero Jerez, a local conservationist, said of the government: “They make laws from a distance. We live with the hippopotamuses here, and we have never thought of killing them.
The hippopotamuses aren’t African now; they are Colombians.
Escobar’s sprawling estate, the Hacienda Napoles – and the hippos – have become a local tourist attraction in the years since the kingpin was killed by police in 1993.
When his ranch was abandoned, the hippos survived and reproduced in local rivers amid favourable climatic conditions. They began showing up around Puerto Triunfo a decade ago.
However, scientists warn that the hippos do not have a natural predator in Colombia and are a potential problem for biodiversity since their faeces change the composition of the rivers and could impact the habitat upon of manatees and capybaras.
An analysis by the Alexander Von Humboldt Biological Resources Research Institute said that climate change and “an increase in equatorial conditions, the ideal climate for the species” could increase the hippos’ dispersion across Colombia, potentially “overlapping with the geographic and ecological niches of native species, increasing the risk of possible competition for resources”.
Hippos can also cause damage to crops because they are mainly herbivores and seek food in large quantities at night.
While hippos are considered one of the most dangerous animals for humans in Africa, there have been only a few injuries recorded so far in Colombia.
Locals say the hippos sometimes come out of the water and walk through the streets of the town. When that happens, traffic stops and people keep out of their way.
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