2023-07-14
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男游客和他救起的落水小牛｜Hellen Jack / National Park Service
好心害死牛
黄石公园的野牛群｜National Park Service
被放在车里的野牛宝宝只会更不舒服｜Karen Richardson
为什么公园一定要杀死小牛？
和牛妈妈贴贴｜Rich Keen, DPRA
和野生动物保持距离
让本牛凑近看看公园都有啥规定？哦，“退避三舍，顺其自然。”｜ National Park Service
黄石公园规定，游客需要和野生动物保持23米以上的距离，与熊和狼保持至少91米的距离｜National Park Service
参考文献
[1] https://phys.org/news/2023-05-yellowstone-baby-bison-death-visitor.html
[2]https://www.npr.org/2023/06/01/1179397029/yellowstone-bison-calf-clifford-walters-guilty
[3] White, P. J., Wallen, R. L., Geremia, C., Treanor, J. J., & Blanton, D. W. (2011). Management of Yellowstone bison and brucellosis transmission risk–Implications for conservation and restoration. Biological Conservation, 144(5), 1322-1334.
[4] https://www.nps.gov/yell/planyourvisit/conditions.htm
[5] 三江源国家公园条例（试行）
[6]https://www.nationalgeographic.com/animals/article/how-to-safely-help-wild-baby-animals
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