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ENVIRONMENT

Operation begins to rescue killer whale stranded in France’s Seine river

French authorities are attempting to lure the orca back to sea using a drone and loudspeakers.

A young male orca has been trapped in France's Seine river for more than a week.
A young male orca has been trapped in France's Seine river for more than a week. Rescue efforts have now begun. (Photo by MARCEL MOCHET / AFP)

A team of scientific experts have begun a mission to rescue the orca which has now been trapped in the Seine river for more than a week. 

The young whale was first spotted on May 16th near the port of Le Havre, around the Pont de Normandie, while the most recent sighting was further inland – about 20km from Rouen, in the Eure region.

The Seine-Maritime prefecture has warned that the creature is in a “weakened” state, because of prolonged exposure to fresh water and a lack of food. 

In a bid to lure it back to sea, they are using a drone which emits orca sounds through a speaker. 

“The use of these non-invasive methods, from several hundred metres’ distance, will make it possible to avoid using ships in the immediate proximity of the animal, which could aggravate its stress and endanger it survival, as well as the safety of rescuers,” said the Seine-Maritime prefecture in a statement.

Experts think that the young male was separated from his group, and might be on the search for another. This typically happens when a matriarch in the pod dies.

“They are very social animals, so it is not easy for them to be alone,” explained Delphine Eloi of the GECC regional, cetacean protection group to RTL. Eloi went on to explain that the orca is likely in poor health, as its dorsal fin appears to be completely round. 

Killer whales, which despite their name belong to the dolphin family, are occasionally spotted in the English Channel but such sightings are considered rare, let alone in a river.

“Its life is in danger. We are really very, very worried. Its state of health is very poor,” said Gerard Mauger, vice president of the GECC regional, cetacean protection group. 

“It is far from the sea. It is really complicated to find solutions to encourage it to head to salt water.”

He said the animal is “very thin” but likely weighs over a tonne.

Experts have reminded the public that the whale is likely not dangerous to people – there has never been a reported Orca attack on a human in the wild – though it is still advisable to keep a safe distance from it.

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ENVIRONMENT

Mystery sonic boom rattles French Mediterranean island of Corsica

An unidentified sonic boom heard on the French island of Corsica and in Italy may have been a meteorite, experts have said.

Mystery sonic boom rattles French Mediterranean island of Corsica

Media in Corsica reported that the event occurred at around 4.30pm on Thursday.

It was also felt on the Italian island of Elba. The town of Campo nell’Elba said on its Facebook page that a nearby tracking station had, “captured a seismic, acoustic event felt by everyone” at that time. 

Tuscany regional government president Eugenio Giani initially said it was an earthquake, then backtracked after Italy’s National Institute of Geophysics and Volcanology (INGV) ruled one out.

The Italian Air Force told Giani it had nothing to do with the sonic boom.

“The type of event which caused the tremor, felt by many as an earthquake over the entire coast of Tuscany and in some inland areas, is currently unconfirmed,” Giani wrote on social media.

The region’s Geophysics Institute and the University of Florence said in a joint statement that whatever caused the boom was travelling at 400 miles per second.

“A meteorite entering the atmosphere seems the most likely and in line with the data registered”.

The Corriere della Sera daily quoted an unnamed person from Italy’s civil protection agency saying, “the impact would have been registered by seismographs. The most likely hypothesis is still an aeroplane”.

It is not the first time mysterious sonic booms have been registered on Elba, the Corriere della Sera said. Similar events in 2012, 2016 and 2023 have yet to be explained, it said.

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