Join us for this Microbruin about updated grizzly mortality information, a few tangents, and our thoughts on a recent story about a group of hunters who attempted to haze several grizzlies off an elk kill. Spoiler alert: the grizzlies paid the price for bad decisions by humans.

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Links We Discussed:

Federal database of grizzly deaths in the GYE:

https://wyofile.com/wp-content/uploads/2024/10/GB_Mortality_2024.csv

Montana Grizzly Bear Mortality Information: https://experience.arcgis.com/experience/cfdfbb4a5c9f4758816b296410d3fc94/page/Page/?views=Overview

Sources Cited:

Gantchoff, M. G., et al. “Mortality of a Large Wide-Ranging Mammal Largely Caused by Anthropogenic Activities.” Scientific Reports, vol. 10, no. 1, 22 May 2020, p. 8498, www.nature.com/articles/s41598-020-65290-9, https://doi.org/10.1038/s41598-020-65290-9.

Gehring, Thomas M., et al. “Livestock Protection Dogs in the 21st Century: Is an Ancient Tool Relevant to Modern Conservation Challenges?” BioScience, vol. 60, no. 4, 1 Apr. 2010, pp. 299–308, academic.oup.com/bioscience/article/60/4/299/226197?login=true, https://doi.org/10.1525/bio.2010.60.4.8.

Khorozyan, Igor, and Matthias Waltert. “Variation and Conservation Implications of the Effectiveness of Anti-Bear Interventions.” Scientific Reports, vol. 10, no. 1, 18 Sept. 2020, www.nature.com/articles/s41598-020-72343-6?fromPaywallRec=false, https://doi.org/10.1038/s41598-020-72343-6.

Mosley, Jeffrey C., et al. “Mitigating Human Conflicts with Livestock Guardian Dogs in Extensive Sheep Grazing Systems.” Rangeland Ecology & Management, vol. 73, no. 5, Sept. 2020, pp. 724–732, https://doi.org/10.1016/j.rama.2020.04.009.

Saitone, Tina L., and Ellen M. Bruno. “Cost Effectiveness of Livestock Guardian Dogs for Predator Control.” Wildlife Society Bulletin, vol. 44, no. 1, Mar. 2020, pp. 101–109, wildlife.onlinelibrary.wiley.com/doi/10.1002/wsb.1063, https://doi.org/10.1002/wsb.1063.

Smith, Bethany R., et al. “The Ecological Effects of Livestock Guarding Dogs (LGDs) on Target and Non-Target Wildlife.” Journal of Vertebrate Biology, vol. 69, no. 3, 2 Dec. 2020, https://doi.org/10.25225/jvb.20103.

Smith, Martin E., et al. “Review of Methods to Reduce Livestock Depradation: I. Guardian Animals.” Acta Agriculturae Scandinavica, Section a - Animal Science, vol. 50, no. 4, Dec. 2000, pp. 279–290, https://doi.org/10.1080/090647000750069476.

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