ULAANBAATAR, MONGOLIA, May 1, 2026 — The Asiatic wild ass, known locally as khulan (Equus hemionus), has returned to eastern Mongolia and is showing clear signs of re-establishing a population after more than 65 years of absence from the region. Findings published this Month in the journal Oryx show that khulan are now regularly present in multiple groups east of the Trans-Mongolian Railway (TMR). For decades, fencing along the railway has restricted movement of khulan an...