https://www.theguardian.com/environment/2023/sep/04/invasive...
https://www.npr.org/2023/09/12/1198822110/australia-weighs-c...
https://phys.org/news/2023-09-australian-year-feral-cat-clos...
https://www.nytimes.com/2023/09/08/world/asia/culling-curfew...
Also, https://abcbirds.org/program/cats-indoors/cats-and-birds/ | https://dariuszzdziebk.wpenginepowered.com/wp-content/upload...
> Outdoor domestic cats are a recognized threat to global biodiversity. Cats have contributed to the extinction of 63 species of birds, mammals, and reptiles in the wild and continue to adversely impact a wide variety of other species, including those at risk of extinction, such as Piping Plover.
> The ecological dangers are so critical that the International Union for Conservation of Nature (IUCN) lists domestic cats as one of the world’s worst non-native invasive species.