Why might a non-native (foreign) species over populate?

1 Answer
anor277
Oct 25, 2017

Because the foreign species has no COMPETITORS or PREDATORS in the new habitat.....

Explanation:

And the best example are rabbits in the Australian outback. Of course, rabbits were an introduced species to Australia, and one there they bred like rabbits (of course a few natural predators such as foxes we introduced, but these tended to go for native species, without the tiresome business of chasing down rabbits)... The myxoma virus was introduced, and it turned off a lot of rabbits; of course those that survived passed their resistance on to their offspring, and new strains of myxoma had to be deployed.

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