Shortlisted for the 2025 Southwood Prize About the research Overview Our paper explores how two closely related wild equids—Przewalski’s horses and Asiatic wild asses—coexist in the extremely water-limited deserts of the Dzungarian Gobi. Classical niche theory would predict competitive exclusion under such scarcity, especially since horses are more water-dependent. By combining controlled water-use experiments with long-term camera trap data, we asked: what defines their fundamental water … Continue reading Qing Cao: Coexistence between Przewalski’s horse and Asiatic wild ass in the desert