Exactly, we already had a hefty share of extinctions [1], many of those due to introduced pests [1] https://en.wikipedia.org/wiki/List_of_extinct_animals_of_Au

Exactly, we already had a hefty share of extinctions [1], many of those due to introduced pests [1] https://en.wikipedia.org/wiki/List_of_extinct_animals_of_Australia https://en.wikipedia.org/wiki/List_of_extinct_animals_of_Aus... (Edited for clarity: obviously not all of those animals in the linked list became extinct exclusively because of introduced species)