https://www.scienceblogs.com/grrlscientist/2009/06/02/trap-neuter-and-release-bad-fo
Trap, Neuter, and Release: Bad for Cats, Disaster for Birds | ScienceBlogs
tags: feral cats, housecats, feral cat colonies, unwanted pet cats, alien species,
trap neuter and releasefor catsbaddisasterbirds