The poisoning of dozens of wedge-tailed hawks in Victoria could affect the entire wild population.
Failing to cull feral horses in Kosciuszko National Park may end up promoting environmental destruction while actually increasing the horses' suffering.
A reserve near Amsterdam lost many wild cattle and deer over the tough winter, leading to public protests. Yet this was a failure of Dutch politics rather than rewilding itself.
Grey squirrels have lots of attractive characteristics, yet they are actively persecuted by humankind.
What's the answer? Fight or flight?
Queensland premier Annastacia Palaszczuk has offered to extend the state's shark netting and drum lines into New South Wales.