Wild and feral horse populations in North America, Australia, and elsewhere are managed through roundups, contraception, and culling. Each approach carries welfare and ecological trade-offs that require careful consideration.
Wild horse management involves genuine welfare trade-offs between the welfare of individual horses and the ecological welfare of the landscapes they inhabit. Helicopter roundups cause acute fear, stress, and physical injury; immunocontraception is more welfare-positive but slower to effect population control. Long-term holding in BLM facilities creates chronic welfare concerns for tens of thousands of horses kept in semi-natural holding areas without the space, social complexity, or environmental stimulation of wild life. Aerial culling of brumbies in Australia minimises individual suffering per animal compared to protracted starvation from overpopulation, but raises welfare concerns about precision and wounding. Evidence-based, welfare-conscious management requires investment in less stressful methods and honest assessment of the ecological consequences of both action and inaction.