In a conservation catch-22, efforts to save quolls might endanger them

After 13 generations isolated from predators, the northern quoll lost its fear of them

two northern quolls

UNAFRAID  Conservationists isolated a population of northern quolls, such as these pictured, on a predator-free island to attempt to build back their numbers. After 13 generations, the quolls lost their fear response to predators.

Jonathan Webb

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