Wild horses in North America and Australia face management challenges as their populations grow in landscapes shared with livestock. Humaneness of management methods varies greatly and remains contested.
The welfare impacts of helicopter roundups include injuries from terrain, separation stress, capture myopathy, and deaths in holding facilities. Fertility control immunocontraception represents a more humane alternative that has been validated by scientific research. Advocacy for policy change in this area has real potential to reduce large-scale animal suffering.