[bacon_waffle]

Rats and mice are classic examples of "invasive species" and can have huge impact on ecosystems. Just to pick two handy examples; rats in New Zealand[1] and regular house mice putting bird species at risk of extinction[2].

[1] https://www.doc.govt.nz/nature/pests-and-threats/animal-pest...

[2] https://www.goughisland.com/