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Pablo Escobar’s hippo collection turns into a massive problem

The rapid growth of their numbers has authorities worried that residents could be attacked – the nearly 3-tonne animals can be aggressive and kill more people per year in Africa than any other wildlife species. Scientists also worry that their presence threatens the area’s native flora and fauna.

In the 1980s, during the height of his power, Escobar kept the hippos in a private zoo on his 2225-hectare estate, Hacienda Napoles, where he kept a private zoo stocked with exotic animals such as elephants and giraffes.

Hippos, descended from a collection held by drug lord Pablo Escobar, stay submerged in a lake at the Napoles Park in Puerto Triunfo, Colombia.

Hippos, descended from a collection held by drug lord Pablo Escobar, stay submerged in a lake at the Napoles Park in Puerto Triunfo, Colombia.Credit:AP

Following Escobar’s death in 1993 most of the animals were taken to new homes or died. But not the hippos. Their size and cost to transport meant they were abandoned.

But while Escobar’s estate fell into disrepair, the animals thrived.

The conditions around Hacienda Napoles are ideal for the hippos. They live in the area’s large lakes and waterways, enjoy endless grass pastures to graze in and they have no natural predators.

Students at a small primary school behind Escobar’s former estate arrive for class each day by passing a sign that reads “danger – hippopotamus present”.

A bus driver walks at a souvenir shop near Napoles Park in Puerto Triunfo, Colombia.

A bus driver walks at a souvenir shop near Napoles Park in Puerto Triunfo, Colombia.Credit:AP

“It worries us,” said Wilber Quinones who teaches at the school. “We have to lock ourselves inside with the children to try and avoid an accident.”

So far, the hippos have refrained from attacking humans, but as their numbers grow and they expand into more populated areas, experts fear an attack could be inevitable.

Yet the hippos are adored by many of Doradal’s residents for their surprise visits and the economic boost their presence brings in the form of tourism. Each afternoon in the town’s main park, children hang and play from statues of the hippos while shops throughout the town sell key rings and souvenirs of the animals.

Hippo key rings are displayed for sale at a souvenir shop near the Napoles Park in Puerto Triunfo, Colombia.

Hippo key rings are displayed for sale at a souvenir shop near the Napoles Park in Puerto Triunfo, Colombia.Credit:AP

The hippos are also having an impact on the native flora and fauna with indications the presence of the animals is displacing some local species.

A new study by researchers at the University of California, San Diego, found the hippos are changing the quality of the water in which they spend much of their time. The hippos feed at night then spend the day cooling off in the water where they defecate, changing the chemistry in the lakes.

“That can have various negative consequences, from the outbreaks of harmful algae blooms and things like red tide bacteria,” said Jonathan Shurin, a UCSD biologist who led the study.

“If their population keeps growing the way it is, the potential impact could be much more severe.”

That has left local authorities scrambling to come up with a solution to the hippopotamus problem.

Cornare, the environmental agency that is responsible for the region where the hippos are currently located, has been tasked with finding a solution that residents are comfortable with but that also deals with the animals in a humane way.

Children walk past a sign reading in Spanish "Danger Presence of Hippos" as they arrive for class at a school near the Napoles Park in Puerto Triunfo.

Children walk past a sign reading in Spanish “Danger Presence of Hippos” as they arrive for class at a school near the Napoles Park in Puerto Triunfo.Credit:AP

“It’s urgent,” said Gina Serna, a specialist with Cornare who helps manage the hippopotamus issue.

“We already have a report of a family of hippopotamuses in the Magdalena river. The Magdalena connects almost all of Colombia so they could move into any part of the country.”

Now a plan has been hatched to sterilise the animals. Serna and a group from Cornare last year conducted an in-the-wild surgical sterilisation of a female, the first ever in Colombia.

It’s a complex procedure that requires luring and trapping a hippo in a corral before using sedatives to put it to sleep. Just cutting through a hippo’s dense layers of skin, fat and muscle takes three hours. Then the animal is sterilised and stitched up and allowed to return to the wild while their recovery is monitored.

Later this year, Cornare will attempt multiple surgical sterilisations, as well as a chemical sterilisation technique that has been successful in pigs.

But they acknowledge that won’t be enough to contain a hippopotamus population that is estimated to quadruple over the next 10 years and could eventually reach into the thousands. For now, it’s as much as they can afford.

“With more help and more money, we could be more effective,” said Serna.

In the meantime, the locals are learning to live with their new neighbours.

For Giver Cardona, that means being extra careful when driving his wife to work on their motorbike along the dirt roads behind Hacienda Napoles.

One morning this year, Cardona was returning home from dropping his wife off before sunrise when he rounded a corner and collided with a large, dark object. It was a hippopotamus.

As the 31-year-old scrambled to his feet, he was relieved to see the hippo had the same response as him – to run away.

“Now when I pass by here in the mornings I go slowly and check around every corner,” Cardona said. “They keep us worried.”

AP

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