Wild horses and burros on US public lands face population management controversies, with fertility control, adoption, and removal programs balancing ecological impact against individual animal welfare.
Wild horse management involves genuine welfare tensions at every stage. Helicopter roundups cause acute fear, exhaustion, separation of mares and foals, and injury deaths - concentrated welfare harms at the population management point. Long-term holding, while providing safety from predation and food/water security, prevents expression of natural movement patterns and social structures over years of captivity. Fertility control applied in the field avoids both roundup stress and holding facility captivity but requires consistent administration across large remote ranges. The welfare-optimal solution - consistently applied fertility control with minimal roundup reliance - is technically feasible but requires political will and adequate funding.