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Scientists consider cross-breeding to save Australia's orange-bellied parrot from extinction

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Scientists at the University of Sydney are pondering ways to save the endangered orange-bellied parrot.

Without intervention, the species will go extinct within the next 15 years .

The only way to save them is to diversify their genes, they say.

One method would involve using gene-editing tools such as CRISPR to make changes that would likely exist in birds of the same species.

Another would involve attempting to breed the birds with another species of parrot, one that is close in most physical respects, such as blue-winged parrots.