How did rabbits become known as an invasive species or pest in Australia whereas it’s not the case elsewhere in the world?

Question

How did rabbits become known as an invasive species or pest in Australia whereas it’s not the case elsewhere in the world?

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Answer 1

The biggest reason rabbits became pests is the lack of natural predators for them in Australia.

I have [hares here in my yard in Eastern Canada](https://www.britannica.com/animal/hare-mammal) but we also have foxes, coyotes, eagles, and to a lesser extent martens, lynxes, cougars and more.

So many predators keep the population in check.