The debate over keeping cats indoors versus allowing outdoor access involves balancing wildlife conservation concerns against individual cat behavioural needs.
The indoor-outdoor debate highlights genuine tensions between individual cat welfare and broader ecological harm. Cats are predators with strong hunting motivation that is not fully satiated by indoor enrichment. Complete confinement without adequate space and stimulation causes chronic stress manifest in redirected aggression, inappropriate elimination, and overgrooming. However, outdoor cats cause significant wildlife welfare harm and face substantial risks themselves. Enriched indoor environments, catios providing safe outdoor access, and supervised leash walks represent welfare-positive compromises that reduce wildlife predation while meeting most cat behavioural needs.