Urban heat islands create thermal stress for wild animals living in cities — with specific welfare impacts for species unable to thermoregulate effectively.
Urban heat island welfare is an emerging issue as city temperatures increasingly exceed safe thermal limits for resident wildlife. Animals that have adapted to urban living face the same thermal stress challenges as their rural counterparts, but with fewer natural cooling options — less shade, less water, more hard surfaces. Individual householder actions (garden water features, green spaces, shade trees) provide measurable relief. Urban planning that incorporates green infrastructure has population-scale welfare benefits. The alignment between human comfort in heat waves and wildlife welfare creates co-benefit opportunities for integrated urban cooling strategies.