Research overview: welfare of feral and community cats and trap-neuter-return

Unowned free-roaming cats present distinct welfare questions, and trap-neuter-return is the main alternative to lethal control for managing them. This overview surveys the welfare science around community cats: the stress and poor outcomes of housing unsocialised feral cats in conventional shelters, the welfare and population effects of TNR programs, body condition and survival of managed colonies, and debates over outdoor-cat welfare versus impacts on wildlife. It discusses why feral cats fare badly in cages and benefit from return to familiar territory after sterilisation, the role of caretakers, and how welfare, population management and conservation concerns intersect. The synthesis frames feral-cat management as a contested area where welfare assessment must account for cats' socialisation status and environment.