Przewalski's horse (Equus przewalskii) is the world's only truly wild horse species. Its successful reintroduction from extinction is a conservation landmark, but wild welfare management continues.
Reintroduced Przewalski's horses face welfare challenges specific to animals recovering from a captive origin. Early reintroduced individuals had limited experience with predators, severe winter conditions, and resource competition — learning curves with real welfare costs. Establishing natural band social structures from horses with institutionalized captive histories took years. Modern reintroduction protocols use pre-release acclimatization and gradual exposure to natural conditions to reduce these risks. Severe Mongolian winters test body condition reserves built through summer and autumn grazing — horses that enter winter in poor condition face significant mortality risk. Disease surveillance from domestic horse contact, and genetic management to maintain diversity across the bottlenecked founder pool, are ongoing welfare and conservation priorities.