2019 Known and Probable Grizzly Bear Mortalities in the Greater Yellowstone Ecosystem

This information is preliminary and is subject to revision. It is being provided to meet the need for timely best science. The information is provided on the condition that neither the U.S. Geological Survey nor the U.S. Government shall be held liable for any damages resulting from the authorized or unauthorized use of the information. Release of information will be limited for mortalities under investigation.
CountUniqueSexAge classKnown Mortality DateLocationDemographic Monitoring AreaLoss  
          
Part A. Documented known and probable grizzly bear mortalities that occurred during 2019 inside the Demographic Monitoring Area (DMA).         
          
1201901MAdult3/31/2019South Fork Shoshone, PR-WYInsideKnown, human-caused, management removal for cattle depredations.  
2201905MAdult5/1/2019Madison River, PR-MTInsideKnown, human-caused, killed by vehicle strike on U.S. Highway 287.  
3201906MSubadult5/4/2019Wind River, SNF-WYInsideKnown, human-caused, killed by vehicle strike on U.S. Highway 26/287.  
4201909MSubadult5/25/2019Madison River, CGNF-MTInsideKnown, human-caused, mortally wounded by vehicle strike and dispatched by agency personnel.  
5201912MAdult6/25/2019Long Crk, SNF-WYInsideKnown, human-caused, management removal for cattle depredations.  
6201914MAdult7/21/2019Wagon Creek, BTNF-WYInsideKnown, human-caused, management removal for cattle depredations.  
7201915MAdult8/8/2019Green River, BTNF-WYInsideKnown, human-caused, management removal for cattle depredations.  
8201919MAdult8/24/2019Trout Crk, SNF-WYInsideKnown, human-caused, management removal for cattle depredations.  
9201920MAdult8/27/2019Wagon Crk, BTNF-WYInsideKnown, human-caused, management removal for cattle depredations.  
10201923  2019WYInsideKnown. Under investigation.  
11201925MAdult9/21/2019West Fork Madison River, BDNF-MTInsideKnown, human-caused, management removal for cattle depredations.  
12201927UnkSubadultSpring 2019Piney Crk, SNF-WYInsideKnown, natural, likely killed by another bear, had been cached and consumed.  
13201928  2019WYInsideKnown. Under investigation.  
14201929UnkSubadultJuly, 2019Dry Crk, PR-IDInsideKnown, undetermined cause, carcass had been partially consumed.  
15201930MAdult9/30/2019Grinnell Crk, SNF-WYInsideKnown, human-caused, management capture related exertional myopathy.  
16201931MSubadult10/7/2019Yellowstone River, YNPInsideKnown, natural, killed and consumed by an adult male grizzly bear.  
17201932MAdult10/13/2019Belknap Crk, PR-WYInsideKnown, human-caused, management removal for obtaining multiple food rewards and habituated behavior.  
18201933MSubadult10/13/2019Blackrock Crk, BTNF_WYInsideKnown, human-caused, killed by vehicle strike on U.S. Highway 26/287.  
19201934FSubadult10/22/2019North Fork Shoshone, PR-WYInsideKnown, human-caused, management removal for obtaining multiple food rewards and previous conflict history.  
20201935  2019MTInsideKnown. Under investigation.  
21201936  2019MTInsideKnown. Under investigation.  
22201938FAdult10/30/2019Bear Crk, PR-MTInsideKnown, human-caused, management capture and removal for multiple property damages and poultry depredations.  
          
          
Part B. Documented known and probable grizzly bear mortalities that occurred during 2019 outside the Demographic Monitoring Area (DMA).         
          
1201904MSubadult4/16/2019Carter Crk, PR-WYOutsideKnown, human-caused, management removal for cattle depredations.  
2201907MSubadult5/10/2019Pat O'Hara Crk, PR-WYOutsideKnown, human-caused, management removal for frequenting developed site, obtaining food rewards, and aggressive behavior.  
3201908MSubadult5/11/2019Carter Crk, PR-WYOutsideKnown, human-caused, management removal for cattle depredations.  
4201910  2019WYOutsideKnown. Under investigation.  
5201911MAdult6/17/2019Marquette Crk, PR-WYOutsideKnown, human-caused, management removal for cattle depredations.  
6201913MSubadult7/19/2019Middle Fork Owl Crk, PR-WYOutsideKnown, human-caused, management removal for obtaining multiple food rewards and bold behavior.  
7201916FAdult8/24/2019Skull Crk, ST-WYOutsideKnown, human-caused, management removal of female with 2 cubs for cattle depredations.  
8201917FCub8/24/2019Skull Crk, ST-WYOutsideKnown, human-caused, management removal of cub with mother and sibling for cattle depredations.  
9201918MCub8/24/2019Skull Crk, ST-WYOutsideKnown, human-caused, management removal of cub with mother and sibling for cattle depredations.  
10201921FSubadult8/28/2019Greybull River, PR-WYOutsideKnown, human-caused, management removal for obtaining multiple food rewards and habituated behavior.  
11201922MAdult9/2/2019Rock Crk, PR-MTOutsideKnown, human-caused, management removal for cattle depredations.  
12201924MAdult9/19/2019Clarks Fork River, PR-WYOutsideKnown, human-caused, management removal for repeated agricultural damage and human safety concerns.  
13201926UnkUnk9/24/2019Coal Crk, BDNF-MTOutsideProbable, human-caused, self-defense by archery hunter during close range encounter.  
14201937  2019MTOutsideKnown. Under investigation.  
15201939  2019WYOutsideKnown. Under investigation.  
16201940  2019WYOutsideKnown. Under investigation.  
17201941  2019WYOutsideKnown. Under investigation.  
18201942  2019MTOutsideKnown. Under investigation.  
          
Part C. Documented known and probable grizzly bear mortalities found during 2019 that occurred in years prior to 2019.         
          
1201902  2018MTInsideKnown. Under investigation.  
2201903  2018MTInsideProbable. Under investigation.  
Known mortality - a carcass is in hand; Probable mortality - evidence strongly suggests a mortality has occurred but no carcass is recovered. Abbreviations: BOR = Bureau of Reclamation; BLM = Bureau of Land Management; BTNF = Bridger-Teton National Forest; COY = cub-of-the-year; CTNF = Caribou-Targhee National Forest; GNF = Gallatin National Forest; GTNP = Grand Teton National Park; IDFG = Idaho Fish and Game; MTFWP = Montana Fish, Wildlife and Parks; PR = private land; ST= state owned land; SNF = Shoshone National Forest; UNK = Unknown; WRIR = Wind River Indian Reservation; WYGF = Wyoming Game and Fish; YNP = Yellowstone National Park.