Cats are not naturally social in the way dogs are, and multi-cat households frequently create chronic stress through resource competition, social conflict, and inability to escape unwanted social contact. Understanding feline social needs is essential for welfare in shared living environments.
The welfare costs of incompatible multi-cat living are substantial and frequently invisible to owners. Unlike dogs, cats communicate conflict through subtle displacement behaviours — staring, blocking access, and passive exclusion from resources — rather than overt aggression. Owners often do not recognise that one cat is preventing another from using the litter tray or reaching the food bowl, even while being present in the same room. The chronically subordinate cat in these dynamics lives in a state of persistent low-level stress measurable in cortisol levels and associated with urinary tract inflammation, overgrooming, and immunosuppression. Welfare-centred multi-cat management means providing sufficient spatially separated resources, vertical territory, and in some cases, rehoming cats that cannot achieve compatible social arrangements.