Bison hunters abandoned long-used site 1,100 years ago to adapt to changing climate, Great Plains study findsDroughts reduced the water available for processing animals at a bison kill site in central Montana. Site abandonment was a response to environmental stressors and changing social and economic pressures.#drought #Montana #archaeology #bison 🦬 https://phys.org/news/2026-02-bison-hunters-abandoned-site-years.html