Wildlife corridors enable animal movement between habitat fragments, reducing road mortality, inbreeding, and resource stress that cause significant welfare harm to fragmented populations.
Habitat fragmentation causes welfare harm through multiple pathways: road mortality causes acute suffering and death, isolated populations face genetic deterioration reducing health, and animals crossing dangerous barriers experience sustained fear and stress. Wildlife crossings and habitat corridors address these harms by allowing safe movement. The welfare case for corridors is aligned with conservation benefits — connected populations are both individually healthier and more resilient to extinction risk. Investment in corridor infrastructure represents one of the highest-impact wildlife welfare interventions.