Decimated brush-tailed bettong makes a startling return – with the help of peanut butter
Project to reintroduce critically endangered marsupial in South Australia, involving lures with nut spread, has surpassed expectations
The Australian bush was once full of rabbit-size marsupials darting and jumping around “like mini-kangaroos on steroids”, says ecologist Derek Sandow.
But since European invasion, the arrival of cats and foxes and the disappearance of habitat has left the brush-tailed bettong hanging on in only a handful of spots on the vast continent and on island refuges.
“They would have been one of the most common small mammals across the southern half of Australia,” says Sandow. “But they’ve gone missing from almost the entire mainland.”
However, a project to reintroduce the critically endangered bettongs to Yorke Peninsula in South Australia – a boot-shaped chunk of mainland that probably hasn’t seen them for more than a century – is having a startling and unexpected success.
Since August 2021, some 120 bettongs have been tagged and introduced to the Dhilba Guuranda-Innes national park on the peninsula’s south-west tip. Chloe Frick, a PhD candidate at the University of Adelaide, guesses there may now be up to 200 bettongs on the peninsula.
“It’s surpassing everyone’s expectations,” she says. “And it’s down to a lot of people working really hard. It is unifying and inspiring to see these animals succeeding and digging around in the landscape.”
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