Australia's Easter Bilby Population Quadruples Since 2021
Greater bilbies, Australia's beloved marsupial that nearly vanished, have exploded to over 5,300 animals across six sanctuaries. The four-fold population jump marks one of the country's biggest conservation wins in recent years.
Australia's Easter bilby is making an incredible comeback, with populations quadrupling across protected sanctuaries since 2021.
The Australian Wildlife Conservancy counted 5,330 greater bilbies at six sanctuaries spanning the Northern Territory, Western Australia, South Australia, and New South Wales. That's four times more of these rabbit-eared marsupials than just five years ago.
Greater bilbies once hopped across three-quarters of Australia before colonization and introduced predators like foxes and feral cats wiped out most populations. Now, sanctuaries are giving them safe spaces to thrive again.
Two sites show just how dramatic the recovery has been. At Newhaven Animal Sanctuary in the Northern Territory's Tanami Desert, 66 bilbies released in 2022 have grown into a population of 530. Meanwhile, Mallee Cliffs National Park in New South Wales saw 107 released bilbies between 2021 and 2023 blossom into 1,840 animals.
The secret to success? Predator-proof fencing keeps foxes and feral cats out, while careful fire management and weed control create better habitat. Several years of above-average rainfall didn't hurt either, bringing out insects and seeds that bilbies usually have to dig deep to find.
"The abundance of resources and a landscape that has no predation pressure from feral cats or foxes has really allowed them to just pretty much go nuts," said Tim Henderson, a wildlife ecologist at Newhaven.
The Ripple Effect
The bilby boom is helping more than just bilbies. As these marsupials dig for food, they turn over soil and promote seed growth, creating richer, more diverse landscapes.
Their abandoned burrows become apartment complexes for other native species. Burrowing bettongs expand the single burrows into massive warren systems with multiple entrances, housing up to 20 animals in what Henderson calls "a multi, 20-storey complex."
The future looks bright even as challenges remain. Henderson expects numbers might dip during the next drought, but the healthy populations are positioned to bounce back when rains return.
From near extinction to thriving communities, Australia's Easter bilby proves that with the right protection, nature can heal itself remarkably fast.
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Based on reporting by ABC Australia
This story was written by BrightWire based on verified news reports.
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