Rangers have shot dead a 14-foot crocodile in northern Australia after it killed a 12-year-old girl while she was swimming with her family last week, police said Wednesday.

The girl's death was the first fatal crocodile attack in the Northern Territory since 2018 when an Indigenous woman was killed while gathering mussels in a river. The attack has rekindled debate on whether more should be done to curb the crocodile population in the Northern Territory, where the protected species has increasingly encroached on human populations.

Wildlife rangers had been attempting to trap or shoot the crocodile since the girl was attacked last week in Mango Creek near Palumpa, an Outback Indigenous community in the Northern Territory.

They shot the animal Sunday after getting permission from the region's traditional landowners. Saltwater crocodiles are considered a totem by many Indigenous Australians.

Police said analysis had confirmed the animal was the one that killed the girl.

"The events of last week have had a huge impact on the family and local police are continuing to provide support to everyone impacted," senior Sgt. Erica Gibson said in the police statement.

Northern Territory-based crocodile scientist Grahame Webb said a reptile the size of the one shot had to be male and at least 30 years old. They grow throughout their lives and can live up to 70 years.

The girl's death came weeks after the Northern Territory approved a 10-year plan to contain croc numbers, lifting the rate of culling near human habitat from 300 to 1,200 a year.

The Northern Territory government said after the latest fatality that crocs could not be allowed to outnumber humans. The government has previously said it "uses a risk-based strategic management approach to determine the level of management activity" for crocodiles.

"We live in a place where crocodiles occupy our water places," Northern Territory Police Minister Brent Potter said last week, according to CBS News partner network BBC News. "It's just a reminder to stay out of the water as best we can." 

The Northern Territory has a land area around the size of France and Spain combined but only 250,000 people. Croc numbers are estimated at 100,000. The crocodile population was as low as 3,000 before hunting them was outlawed by federal legislation in 1971.

Webb said the territory's crocs had largely stabilized their own population in recent years by killing each other for food or territory. "They eat each other. The crocs have been controlling their own population. It's not really people that have been controlling them," Webb said.

Crocodiles are highly mobile, and have periodically had dangerous encounters with people in Australia. Just last month, police shot and killed a saltwater crocodile that was terrorizing a remote Australian community by eating dogs and lunging at kids. The reptile was cooked and eaten by local residents. 

On New Year's Eve, a crocodile jumped on board a fisherman's boat in Queensland while the man was fishing at a creek. He was not hurt.

In May 2023, a man snorkeling off the coast of North Queensland, Australia, was attacked by a crocodile – and survived by prying its jaws off his head. That same month, the remains of an Australian man who went missing on a fishing trip in crocodile-infested waters were found inside two of the reptiles.

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• Crocodile