system
Given the following post, respond as if you're commenting on Reddit:
human
Are There Any Invasive Species that Originate FROM Australia?

We hear all about the invasive species in the land down under; from its toxic cane toads to its out of control rabbit populations, but is there any plants or animals from Australia that are invasive anywhere else in the world?
gpt
In New Zealand, we have a massive possum problem. Australian brushtail possums were brought in to start a fur industry in the 1800s. By the 1980s their population had ballooned to between 50 and 70 million. They don't just eat the plants that our native species depend on, they also eat the eggs and chicks of some of our endangered native birds (and sometimes even the adults). They also spread bovine tuberculosis. They're a major problem.