Gray Wolves in the Northern Rocky Mountains
Mountain-Prairie Region

Wyoming Gray Wolf Recovery Status Report

From:               USFWS Wyoming Wolf Recovery Project Leader, Jackson, WY

Subject:           Status of Gray Wolf Management in Wyoming and the NRM

WYOMING WOLF REPORT – Sept. 12, 2011 through Sept. 23, 2011

           

Web Address – USFWS reports (past weekly and annual reports) can be viewed at http://westerngraywolf.fws.gov .   All weekly and annual reports are government property and can be used for any purpose.  Please distribute as you see fit.

 

2010 Annual Report

The 2010 Interagency Annual Wolf (Canis lupus) Report for the NRM DPS will be available March 10, 2011 on-line at http://westerngraywolf.fws.gov.  The annual wolf report is composed of five Sections: 1) Montana; 2) Wyoming; 3) Idaho; 4) USFWS overview of dispersal, funding, litigation, and relevant publications; and 5) Tables and Figures of wolf population statistics and wolf depredations. 

 

 

Information about wolves in other NRM states

Idaho at: http://fishandgame.idaho.gov/public/wildlife/wolves/.

Montana at: http://fwp.mt.gov/fishAndWildlife/management/wolf/default.html.

Oregon at:  www.dfw.state.or.us/wolves

Washington at: http://wdfw.wa.gov/conservation/gray_wolf/

 

 

Proposed Delisting in Wyoming

The USFWS and Wyoming reached an agreement in principle which will enable the Service to proceed with a proposed delisting rule for wolves in Wyoming. The WGFD modified their wolf management plan to reflect the agreed upon principles and on 9/14/11 the plan was approved by the Wyoming Game and Fish Commission.

 

 

MONITORING

Wyoming (outside YNP)

As of 9/23/11, at least 21 packs are confirmed or suspected to have produced pups in Wyoming (outside YNP) in 2011.

           

Yellowstone National Park

Preliminary counts in the Park estimate14 packs including 7 packs that have produced pups.

 

 

 

Figure 1. Number of wolf packs and breeding pairs in WY (outside YNP) from 1999-2011. Estimates for 2011 are preliminary as of 9/23/11.

 

wolf pack numbers in Wyoming outside Yellowstone National Park

Figure 1. Number of wolf packs and breeding pairs in WY (outside YNP) from 1999-2011. Estimates for 2011 are preliminary as of 9/23/11.

 

 

Table 1. Total wolf mortality in Wyoming (outside YNP) from 2003-2011.

 

Cause of Mortality 2003 2004 2005 2006 2007 2008 2009 2010 2011 Total
Depredation Control 18 29 41 44 63 46 31 40 28 340
Natural 3 0 3 1 2 3 2 2 2 18
Under Investigation 5 1 5 8 5 8 0 8 1 41
Unknown 1 0 0 1 2 8 7 4 5 28
Other 0 6 2 5 3 14 0 4 3 37
Total 27 36 51 59 75 79 40 58 39 464

 

 

CONTROL

 

Table 2: Confirmed livestock depredations and control actions in Wyoming from 2003 through September 23, 2011.  

       

Year

2003

2004

2005

2006

2007

2008

2009

2010

2011

Total

Wyoming

Cattle

34

75

54

123

55

41

20

26

26

454

Sheep

7

18

27

38

16

26

195

33

30

390

Other

2

10

1

0

1

0

0

1

  0*

15

Dogs

0

2

1

1

2

0

7

0

1

14

Wolves killed

18

29

41

44

63

46

31

40

28

340

* A horse broke its leg and had to be euthanized after being chased by wolves in a pasture on private property.

 

 

 Table 3. Confirmed livestock depredations and control actions in MT, ID, OR, WA, and UT from January 2003 - September 2011

 

Year 2003 2004 2005 2006 2007 2008 2009 2010 2011 Total
Montana                    
Cattle 24 36 23 32 75 77 97 87 74 525
Sheep 86 91 33 4 27 111 202 84 12 650
Other 0 3 2 2 14 16 6 11 1 55
Dogs 1 4 1 4 3 2 4 2 6 27
Wolves Killed 34 40 35 53 73 110 145 141 50 681
                     
Idaho                    
Cattle 7 19 29 41 57 104 76 75 57 465
Sheep 130 176 166 237 211 215 295 148 65 1643
Other 0 0 0 0 0 1 1 3 0 5
Dogs 3 4 12 4 10 14 14 0 4 65
Wolves Killed 7 17 27 42 50 108 93 80 53 477
                     
Oregon                    
Cattle             1 8 1 10
Sheep             28 0 0 28
Other             1 0 0 1
Dogs             0 0 0 0
Wolves Killed             2 0 0 2
                     
Washington                    
Cattle             0 0 0 0
Sheep             0 0 0 0
Other             0 0 0 0
Dogs             0 0 0 0
Wolves Killed             0 0 0 0
                     
Utah                    
Cattle             0 3 0 3
Sheep             0 4 0 4
Other             0 0 0 0
Dogs             0 1 0 1
Wolves Killed             0 1 0 1

 

 

RESEARCH

YNP recently published its 2010 Annual Report and is available on-line at:

http://www.nps.gov/yell/naturescience/wolves.htm

 

Smith, D., D. Stahler, E. Albers, R. McIntyre, M. Metz, J. Irving, R. Raymond,

C. Anton, K. Cassidy-Quimby, and N. Bowersock. Yellowstone Wolf Project: Annual Report, 2010. YCR-2011-06. National Park Service, Yellowstone

National Park, Yellowstone Center for Resources, Yellowstone National Park, Wyoming.

 

OUTREACH AND EDUCATION

Becker (USFWS) spoke to guests at the 7D Ranch in Sunlight Basin on 9/6/11 and 9/13/11. On 9/17/11, he gave a lecture on wolf ecology, wolf management, and the Endangered Species Act to a natural resource class from Northwest College (Powell, WY).

 

FURTHER INFORMATION

To request an investigation of livestock injured or killed by wolves, please contact the U.S. Department of Agriculture Wildlife Services at (307)261-5336.

 

For additional information, please contact:

Mike Jimenez at (307)330-5631 or (307)733-7096 or mike_jimenez@fws.gov

Scott Becker (Cody) (307)527-8916 or (307)699-3411 or scott_becker@fws.gov

Last updated: November 8, 2012