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Environment
Patrick Finnerty, Postdoctoral research fellow in conservation, University of Sydney

Islands in the sky: could steep-sided hilltops offer safe haven to our threatened species?

New South Wales has dozens of mesas, including Byangee Walls in Morton National Park ambo kangaro/Wikimedia, CC BY-NC-ND

Species are disappearing at an alarming rate around the world. But Australia’s extinction crisis is especially severe – since European colonisation, we have lost about 100 species of animals and plants. The loss of 33 mammal species is largely due to canny invasive predators such as foxes and cats as well as destruction of habitat.

To try to stem the losses, many scientists and conservationists are turning to rewilding. This promising approach involves reintroducing species to their former habitats or relocating them to new areas where they have a better chance of survival.

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