Animals in shelters face significant stress from confinement, noise, and unpredictability. Evidence-based enrichment programs can meaningfully improve welfare during the housing period.
Shelter animals experience acute and chronic stress from an environment that is fundamentally incompatible with their behavioral needs — confined, loud, unpredictable, and socially abnormal. The welfare consequences include suffering, behavioral deterioration that reduces adoption prospects, and in some facilities euthanasia of animals deemed unadoptable due to stress-induced behaviors. Low-cost enrichment interventions — hiding boxes for cats, classical music, short training sessions — have measurable positive effects on welfare indicators. Making enrichment a standard element of shelter operations, rather than a volunteer-dependent extra, would improve welfare for millions of housed animals annually.