https://rapidcityjournal.com/news/local/pneumonia-threatens-success-of-bighorn-sheep-introduction-near-deadwood/article_3bb417a2-b9a0-515...

https://www.k-state.edu/seek/fall-2018/life-of-the-wild/#prettyPhoto By Jennifer Tidball Take a step outside and enter the laboratories...

http://southdakotahunting.com/article/hope-and-hardship-for-black-hills-bighorns July 14, 2016 | By: Bob Speirs The bighorn lambs were as...