Pronghorn undertake the longest land migration in the contiguous United States. Fencing, roads, and development threaten one of North America's most remarkable wildlife welfare stories.
Wild pronghorn welfare is directly impacted by infrastructure that fragments migration corridors. Fences that block migration routes strand pronghorn in areas that cannot support them through winter, leading to starvation and cold stress. Roads and development create mortality risks and movement barriers during the annual journeys that pronghorn depend on for survival. The welfare of individual pronghorn is thus shaped by land use decisions made far from where the animals live — making corridor protection and wildlife-friendly fencing modifications critical welfare interventions with landscape-level impact.