There is a long-simmering, often overheated debate among animal lovers. It pits cat lovers, who want to help feral cats survive outdoors, against bird lovers, who say cats are causing bird populations to plummet.

https://www.npr.org/2018/11/11/665849969/to-decrease-bird-kills-cat-lovers-team-up-with-bird-lovers-in-d-c-cat-count