2009 Known and Probable Grizzly Bear Mortalities in the Greater Yellowstone Ecosystem


Data are preliminary and subject to change. Release of information will be limited for mortalities under investigation.

Count Unique Sex Age class Known Mortality Date Location Loss
31

200931

UNK COY

13 Jul 2009

Sheridan Crk, SNF, WY

Probable, natural. Radioed female grizzly bear #279 lost 1 of 4 COY between 6/1 and 8/25. Location and mortality date are approximated.

30

200930

UNK COY

10 Jun 2009

Stephens Crk, YNP, MT

Probable, natural. Radioed female grizzly bear #576 lost 1 of 2 COY between 6/5 and 6/15. Location and mortality date are approximated.

29

200929

F Adult

Fall 2009

North Fork Shoshone River, SNF, WY

Known, undetermined cause. Person reported finding a bear skull under the ice on 1/18/2010. Examination of skull suggests bear likely died during Fall 2009. Lab results indicated this was a female bear.

28

200928

F Adult

10 Nov 2009

Shoshone River, BOR-WY

Known, human-caused, management removal for continued close association to residential area and previous conflict history.

27

200927

F Subadult

14 Oct 2009

East Fork Blackwater Crk, SNF, WY

Known, undetermined cause, person reported a scavenged bear carcass cached near trail, but carcass was gone when site was investigated. Claws and pads were recovered for DNA analysis, results indicated this was a female. Size of claws suggested an independent subadult.

26

200926

M Adult

2009

CTNF, ID

Known, human-caused, under investigation

25

200925

UNK COY

14 Oct 2009

Jones Crk, SNF, WY

Probable, human-caused, COY of mother that was killed

24

200924

UNK COY

14 Oct 2009

Jones Crk, SNF, WY

Probable, human-caused, COY of mother that was killed

23

200923

F Adult

14 Oct 2009

Jones Crk, SNF, WY

Known, human-caused, female with 2 COY killed in self-defense by hunter while retrieving harvested elk carcass

22

200922

M Adult

10 Oct 2009

Clark's Fork Yellowstone River, GNF, MT

Known, human-caused, hunting related self-defense

21

200921

M Adult

6 Oct 2009

Pacific Crk, BTNF, WY

Known, human-caused, management removal for property damage and food reward

20

200920

M Adult

22 Sep 2009

E. Fk. Pilgrim Crk, BTNF, WY

Known, human-caused, self-defense by hunter

19

200919

F Subadult

19 Sep 2009

Ditch Crk, BTNF, WY

Known, human-caused, unwarrented self-defense kill by deer hunter.

18

200918

M Adult

1 Sep 2009

Cedar Crk, PR-MT

Known, human-caused, road kill

17

200917

F Subadult

26 Aug 2009

Deadman Crk, SNF, WY

Known, human-caused, mistaken identity kill by black bear achery hunter.

16

200916

UNK COY

8 Aug 2009

SNF, WY

Probable, human-caused, COY of female killed in self-defense by hunter scouting sheep

15

200915

UNK COY

8 Aug 2009

SNF, WY

Probable, human-caused, COY of female killed in self-defense by hunter scouting sheep

14

200914

F Adult

8 Aug 2009

SNF, WY

Known, human-caused, killed in self-defense by hunter scouting for sheep, 2 COY were present

13

200913

F Subadult

25 Jul 2009

Twilight Crk, SNF, WY

Known, human-caused, defense of life

12

200912

M Adult

Jul 2009

Yellowstone River, MT

Known, undetermined cause, during July several anglers reported seeing a dead grizzly bear in the Yellowstone River, downstream from Gardiner. One angler reported reading ear tags on the dead bear. Carcass was found and recovered on 9/25.

11

200911

M COY

19 Jul 2009

Line Crk, BLM, WY

Known, human-caused, live removal of male COY whose mother was killed

10

200910

M COY

19 Jul 2009

Line Crk, BLM, WY

Known, human-caused, live removal of male COY whose mother was killed

9

200909

F COY

19 Jul 2009

Line Crk, BLM, WY

Known, human-caused, live removal of female COY whose mother was killed

8

200908

F Adult

19 Jul 2009

Line Crk, BLM, WY

Known, human-caused, female with 3 COY, defense of life while hiking

7

200907

F Adult

15 Jun 2009

Moose Crk, GNF, MT

Known, human-caused, defense of life while black bear hunting, DNA results indicated female.

6

200906

M COY

9 Jun 2009

South Fork Shoshone, PR-WY

Known, human-caused, road kill.

5

200905

M Subadult

26 May 2009

Big Thumb Crk, YNP, WY

Known, natural, killed by an adult grizzly bear.

4

200904

M Adult

10 Jun 2009

North Fork Shoshone River, SNF, WY

Known, natural, bear had several puncture wounds to the head and back.

3

200903

M Adult

11 Jun 2009

Blaine Crk, PR-WY

Known, human-caused, management removal of bear G142 for repeated cattle depredation.

2

200902

M Subadult

24 May 2009

Newton Crk, SNF, WY

Known, human-caused, mistaken identity by black bear hunter.

1

200901

M Adult

12 May 2009

Buffalo Fork, PR-WY

Known, human-caused, management removal of bear G135 for nuisance activity in subdivision.