Where the dingo fence divides three states, the sun is harsh and wild dust storms are just a gust away, hundreds of new residents are settling into the desert.

But it's not people who have recently moved to the far north-west corner of New South Wales. Instead, it's an influx of native animals that have been locally extinct for more than a century.

Bilbies, bandicoots, bettongs and quolls once dominated these arid plains and they are now reclaiming the area, thanks to a team of scientists trying to address Australia's mammal extinction rate — which is the worst in the world.

Kamin Gock reports from Sturt National Park.

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