The decision to keep cats indoors or allow outdoor access involves genuine welfare tradeoffs. Evidence-based guidance helps owners make informed choices for their individual cats.
The indoor-outdoor cat debate involves genuine tensions between cat welfare and conservation. Outdoor access reduces some behavioral frustrations but dramatically shortens lifespan through exposure to lethal hazards. The conservation impact of outdoor cats is significant — they are among the leading anthropogenic causes of bird and small mammal mortality. The welfare solution is not a single right answer but a nuanced assessment of individual circumstances: cats that have always been indoor-only rarely miss what they have never experienced, while cats transitioned indoors after outdoor life may show significant frustration. Catios, leash training, and highly enriched indoor environments can provide meaningful welfare for indoor-only cats while eliminating their conservation impact. The welfare interests of cats and prey animals both deserve weight in this decision.