In the 1980s and 1990s, the hardy redclaw crayfish was exported from Australia around the world. But escapee yabbies have become a nightmare.
Articles on unwelcome nature series
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Pigs, camels, rabbits and many others were brought to Australia deliberately as valuable species. But we see them very differently once they become free-roaming.
Blackberries have long been a problem for Australian farmers and bushwalkers. But who would have illegally released a fungus as a biological control?
Isolation has been both blessing and curse for the wildlife of both countries.
