Ключевые слова: american bison population in yellowstone national park, bison behavior in yellowstone national park, bison conservation efforts in yellowstone national park, bison grazing habits in yellowstone national park, bison habitat in yellowstone national park, bison impact on yellowstone national park ecosystem, bison migration patterns in wyoming, bison reintroduction programs in wyoming, bisonwatching opportunities in wyomings yellowstone national park, yellowstone national park bison management,