Quolls can learn new tricks, but seemingly only one at a time Jonathan Webb
Conservationists have trained cute endangered quolls to avoid the toxic toads that kill them.
Northern quolls () are small marsupials that vaguely resemble ferrets. They live in small patches of northern Australia, and eat a mixed diet.
However, the quolls’ undiscerning ways have been their undoing. In 1935, poisonous cane toads () were introduced to Australia to control pests. In the early 2000s they hopped their way into quoll territory – and the quolls, knowing no better, ate them and died in swathes.
The
