This is “impossible”, but New Zealand is trying anyway.

Summary by Krater

Tom Scott visits Predator Free Wellington to see how they are working to eradicate invasive predators from the Miramar Peninsula in New Zealand, concluding that while clearing a country of predators is a massive challenge, rapid progress makes it possible.

From the video

Answers: How is New Zealand trying to become predator free?

• Invasive predator eradication
• Pest control in New Zealand
• Predator Free Wellington
• Conservation traps and monitoring

What it concludes

• Wellington has deployed about 5,800 traps and 6,800 bait stations across the Miramar Peninsula.
• Alberta in Canada is the only place outside the poles where there are no rats due to a government-backed control program.
• Animal life is recovering on the Miramar Peninsula as a result of predator eradication efforts.
• Pulling off a nationwide predator-free goal will require new scientific discoveries and ecosystem management.