List of articles and publications related to the negative impact of stray and domestic cats on wildlife

[1] How to keep cats from killing birds

https://www.birdsandblooms.com/birding/birding-basics/keep-cats-indoors-protect-wild-birds/

cats kill at least 19 million songbirds and 140,000 game birds annually.

[2] Our pets are destroying biodiversity

https://theconversation.com/our-pets-are-destroying-biodiversity-but-a-few-changes-in-eu-law-could-make-all-the-difference-276776

Many domestic pets spend part of their time unsupervised outdoors. Cats who come and go as they please are also predators, even when they are well fed. They particularly affect bird and small vertebrate populations in urban and suburban areas.

[3] Keep cats indoors