Mammals Research: Progress Reports (1939-current)

Federal Aid has long been an important source of research funding and requires an annual progress report for each project. These reports are collected in our annual reports (previously quarterly). Beginning in 2001, the annual reports include progress reports for both Federal Aid and non Federal Aid research.

The list below contains titles and other info for each project; click on the title for a PDF of the collated reports for the project. PDF's are searchable and bookmarked for easy navigation to each year. The creation of this list is an ongoing project; check back frequently for more additions.

For an Excel file that includes Fed Aid #, Work Pkg. #, and Task # click here

Title Authors Date
Elk sightability for abundance estimation in Colorado Rachel Smiley, Chuck Anderson, Mathew Alldredge, Andy Holland, Jon Runge Jan. 1, 2025 - current
Regional and longitudinal fluctuations in snowshoe hare density in unmanaged spruce-fir forests in Colorado Jake Ivan Jan. 1, 2025 - current
Pilot evaluation of prey distribution and moose recruitment following exposure to wolf predation risk in North Park, Colorado Ellen Brandell Jan. 1, 2024 - current
Evaluation of bobcat population density and demographics across habitat types and harvest levels in Colorado Shane Farnk, Jake Ivan, Mark Vieira, Jon Runge July 1, 2023 - current
Mule deer population response to cougar population manipulation Mathew Alldredge Jan. 1, 2023 - current
Spatiotemporal effects of human recreation on elk behavior: an assessment within critical time stages Nathaniel Rayl, Eric Bergman, Joe Holbrook July 1, 2019 - current
Response of elk to human recreation at multiple scales: demographic shifts and behaviorally mediated fluctuations in local abundance Eric Bergman, Nathaniel Rayl July 1, 2019 - current
Evaluating factors influencing elk recruitment in Colorado Nathaniel Rayl, Mathew Alldredge, Chuck Anderson July 1, 2018 - current
Canda Lynx monitoring in Colorado Jake Ivan, Eric Odell July 1, 2017 - current
Predator community effects pilot study: browsing of upland shrubs in Middle Park, Colorado Danielle Johnston, Michael Peyton, Lauren Brandt, Ellen Brandell Jan. 1- 2025 - Dec 31, 2025
Evaluation of accelerometer collars and methods development for domestic cattle Ellen Brandell Jan. 1, 2023 - Dec. 31, 2024
Bobcat population density estimation: A pilot study Shane Farnk, Jake Ivan, Mark Vieira, Jon Runge July 1, 2022-June 30, 2023
Influence of forest management on snowshoe hare density in lodgepole and spruce-fir systems in Colorado Jake Ivan, Eric Newkirk July 1, 2017 - Dec. 31, 2024
Bobcat population density estimation: A pilot study Shane Farnk, Jake Ivan, Mark Vieira, Jon Runge July 1, 2022-June 30, 2023
Population performance of Piceance Basin mule deer in response to natural gas resource extraction and mitigation efforts to address human activity and habitat degradation Chuck Anderson, David Freddy July 1, 2006 - June 30, 2023
Evaluation and incorporation of life history traits, nutritional status, and browse characteristics in Shira's moose management in Colorado Eric J. Bergman July 1, 2012 - June 30, 2022
Plant and mule deer responses to pinyon-juniper removal by three mechanical methods Danielle Johnston, Chuck Anderson July 1, 2020 - June 30, 2021
COMPLETED 2011-2020    
Pilot study: Elk recruitment and habitat use in Colorado Mathew Alldredge, Brad Banulis, and A. Vitt July 1, 2016 - June 30, 2018
Black bear exploitation of urban environments: finding management solutions and assessing regional population effects Heather Johnson July 1, 2010 - June 30, 2018
Numerical response of snowshoe hares and red squirrels to changed forest structure resulting from spruce beetle outbreaks in southwest Colorado Jake Ivan, Eric Newkirk July 1, 2017 - June 30, 2018
Assessing effects of hunting on a puma population on the Uncompahgre Plateau, Colorado Ken Logan July 1, 2014 - June 30, 2018
Mammal and breeding bird response to bark beetle outbreaks in Colorado Jake Ivan, Amy Seglund July 1, 2013 - June 30, 2017
Examining the effectiveness of mechanical treatments as a restoration technique for mule deer habitat Danielle Johnston Jan. 16, 2011- Dec. 2017
Cougar demographics and human interactions along the urban-exurban front range of Colorado Mathew Alldredge July 1, 2007 - June 30, 2017
Qualifying loss and degradation of mule deer habitat across western Colorado Heather Johnson July 1, 2013 - July 30, 2015
Shifting perceptions of risk and reward: temporal and spatial variation in selection for human development by black bears around three urban systems Heather Johnson July 1, 2013 - June 30, 2014
Puma population structure and vital rates on the Uncompahgre Plateau (2004-2012 reports) Ken Logan July 1, 2004 - June 30, 2014
Puma population structure and vital rates on the Uncompahgre Plateau (2013-2014 reports) Ken Logan July 1, 2004 - June 30, 2014
Statewide monitoring of Canada Lynx in Colorado: Evaluation of options Jake Ivan July 1, 2012 - June 30, 2013
Evaluating solutions to reduce elk and mule deer damage on agricultural reources Heather Johnson July 1, 2010 - June 30, 2013
Development of an automated device for collaring and weighing mule deer fawns Chad Biship, Mathew Alldredge, Eric Bergman, Chuck Anderson July 1, 2008 - June 30, 2013
Evaluation of winter range habitat treatments on over-winter mule deer fawn survival Eric Bergman, Chad Bishop, Gary White, David Freddy July 1, 2004 - June 30, 2013
Density, demography, and seasonal movements of snowshoe hares in central Colorado Gary White, Tanya Shenk July 1, 2011 - June 30, 2012
Assessing the efficacy of monitoring wolverine on a regional scale using occupancy and abundance estimation Jake Ivan July 1, 2010 - June 30, 2012
Predicted lynx habitat in Colorado Jake Ivan July 1, 2010 - June 30, 2012
Monitoring Canada Lynx in Colorado using occupancy estimation: initial implementation in the core lynx research area Jake Ivan July 1, 2010 - June 30, 2012
Assessment of survival and optimal harvest strategies of adult male mule deer in Middle Park, Colorado Eric Bergman, Chad Bishop, Gary White, David Freddy July 1, 2010 - June 30, 2012
Effectiveness of a redesigned vaginal implant transmitter in mule deer Chad Bishop, Chuck Anderson, D. P. Walsh, Eric Bergman, P. Kuechle, J. Roth July 1, 2008 - June 30, 2011
Deer conservation research: final report for 5-year federal aid grant W-185-R Chad Bishop, Chuck Anderson, Eric Bergman July 1 2006 - June 30, 2011
COMPLETED 2001-2010    
Development of an automated device for collaring and weighing mule deer fawns Chad Bishop, D.P. Walsh, Mat Alldredge, Eric Bergman, Chuck Anderson July 1, 2009 - June 30, 2010
Post-release monitoring of reintroduced lynx (1999-2006) Tanya Shenk July 1, 1999 - June 30, 2010
Post-release monitoring of reintroduced lynx (2007-2010) Tanya Shenk July 1, 1999 - June 30, 2010
Pilot evaluation of predator-prey dynamics on the Uncompahgre Plateau Mat Alldredge, Eric Bergman, Chad Bishop, Ken Logan, David Freddy July 1, 2007 - June 30, 2008
Effect of nutrition and habitat enhancements on mule deer recruitment and survival rates Chad Bishop, Gary White, David Freddy July 1, 2001 - June 30, 2008
Consulting services for Mark-Recapture analysis Gary White July 1, 2000 - June 30, 2007
Program final report deer conservation research for 5-year federal aid grant David Freddy July 1, 2001 - June 30, 2006
Evaluation of GnRH vaccine as a long-term contraceptive agent in female elk: effects on reproduction and behavior Don Baker, J.G. Powers July 1, 2004 - June 30, 2005
Colorado puma research & management program Ken Logan July 1, 2003 - June 30, 2004
Potential research project assessment Eric Bergman, Gary Miller July 1, 2003 - June 30, 2004
Pilot evaluation of GPS technology in chronic wasting disease prevalence and management at artificial feeding sites in urban areas Eric Bergman, Michael Miller, Lisa Wolfe July 1, 2003 - June 30, 2004
Veterinary services - medical support Lisa Wolfe July 1, 2003 - June 30, 2004
Chronic wasting disease in mule deer: monitoring & management Michael Miller, Lisa Wolfe July 1, 2002 - June 30, 2004
Chronic wasting disease in mule deer: surveillance and laboratory support Laurie Baeten July 1, 2002 - June 30, 2004
Animal and pen support facilities for mammals research Tracy Davis July 1, 2001 - June 30, 2004
Estimating calf and adult survival rates and pregnancy rates of Gunnison Basin elk David Freddy July 1, 2001 - June 30, 2004
Ecology of snowshoe hares (Lepus americanus) in Colorado Steven Buskirk, Jennifer Zahratka July 1, 2000 - June 30, 2004
Effects of resource addition on Preble's Meadow Jumping Mouse (Zapus hudsonius preblei) movement patterns Anne Trainor, Tanya Schenk, Gary White, K. Wilson July 1, 2000 - June 30, 2004
Monitoring and managing disease in black-footed ferrets Margaret Wild, K.T. Castle, Lisa Wolfe, Laurie Baeten July 1, 1999 - June 30, 2000, July 1, 2002 - June 30, 2004
Technical support for elk and vegetation management environmental impact statement for Rocky Mountain National Park   July 1, 1999 - June 30, 2004
Prairie dog research and wildlife extension W.F. Andelt July 1, 2002 - June 30, 2003
Mule deer life-cycle-neonatal fawn survival Thomas Pojar, D.C. Bowden July 1, 2001 - June 30, 2003
Pilot study: use of ultrasound and vaginal implants Chad Bishop, Gary White, David Freddy July 1, 2001 - June 30, 2002
Improved population modeling DEAMAN system administration Gary White July 1, 2001 - June 30, 2002
Evaluation of GnRH-PAP as a long-term fertility control agent in female mule deer Dan L. Baker July 1, 2001 - June 30, 2002
Pilot study - Evaluation of GPS technology in measuring chronic wasting disease prevalence among deer preyed upon by Puma C.E. Krumm, Don Beck, Michael Miller Jan. 1, 2001 - Dec 31, 2001
Chronic wasting disease in mule deer: monitoring & management Michael Miller July 1, 2000 - June 30, 2001
Annual winter count of Middle Park pronghorn Thomas Pojar July 1, 2000 - June 30, 2001
Deer aerial survey population estimation Rangely deer data analysis unit D-6, GMU 10 David Freddy July 1, 2000 - June 30, 2001
     
COMPLETED 1991-2000    
Effects of habitat enrichment on mule deer recruitment and survival rates Chad Bishop, Gary White, David Freddy July 1, 1999 - June 30, 2000
Technical support for deer population management at the Rocky Mountian Arsenal National Wildlife Refuge, Denver Colorado Dan L. Baker July 1, 1999 - June 30, 2000
Black bear muscle physiology Thomas Beck July 1, 1999 - June 30, 2000
Lynx veterinary services and diagnostics Margaret A. Wild July 1, 1999 - June 30, 2000
Assessing abundance of snowshoe hares Dale F. Reed July 1, 1999 - June 30, 2000
Investigating factors contributing to declining mule deer numbers (Appendix reports titled: Mule deer pregnancy and fetal rates on the Uncompahgre Plateau AND Impact of predation and vegetative cover on neonatal mule deer fawn survival) William F. Andelt, Thomas Pojar July 1, 1998 - June 30, 2000
Monitoring and managing disease in black-footed ferrets Margaret A. Wild, Kevin T. Castle July 1, 1997 - June 30, 2000
Develop conservation plan for Preble's Meadow Jumping Mouse Tanya Shenk, Gary White July 1, 1997 - June 30, 2000
Monitoring and managing chronic wasting disease in deer Michael Miller, John E. Gross, C. T. Larsen July 1, 1997 - June 30, 2000
Monitoring and managing chronic wasting disease in elk Michael Miller July 1, 1997 - June 30, 2000
Strategies for managing pasteurellosis in mountain sheep populations Michael Miller, H. J. McNeil, Janet L. George, R. E. Briggs July 1, 1997 - June 30, 2000
Kit fox conservation Thomas Beck July 1, 1993 - June 30, 2000
Estimating survival rates of elk and developing techniques to estimate population size David Freddy July 1, 1992 - June 30, 2000
Lynx conservation recovery Dale F. Reed July 1, 1997 - June 30, 1999
Experimental deer inventory Richard Bartmann, Thomas Pojar, R. Bruce Gill July 1, 1997 - June 30, 1999
Regulation of mule deer and elk population growth by fertility control Dan L. Baker July 1, 1998 - June 30, 1999
Elk movements in response to early season hunting in the White River Area (Includes 1999 Conner dissertation) Mary Conner July 1, 1997 - June 30, 1999
Mountain goat numbers, distribution and dispersal in the northern collegiate range 1999 Dale F. Reed July 1, 1998 - June 30, 1999
Deer reproduction assessment Richard Bartmann, Thomas Pojar 1998
Use of sport hunting to reduce puma depredation on sheep Thomas Beck July 1, 1997 - June 30, 1998
Pronghorn data analysis and reporting Thomas Pojar July 1, 1997 - June 30, 1998
   
COMPLETED 1981-1990    
Task Title Author Period Covered
River otter resoration Steven Bissell June 30, 1978 - June 30, 1984
South San Juan mountains grizzly bear survey Thomas Beck Jan 1, 1981 - Dec 31, 1982
     
COMPLETED 1971-1980    
Lynx and wolverine verification Steven Bissel, John Torres, James Halfpenny, David Nead Oct 1 1978 - April 30, 1979
Black-footed ferret verification and habitat inventory Steven Bissel June 17, 1977 - Sept 30, 1979
COMPLETED 1961-1970    
COMPLETED 1951-1960    
COMPLETED 1939-1950    
Three year summary report: deer-elk-bear investigations Paul F. Gilbert July 1 1947 - June 30, 1950
Three year summary report: antelope surveys and investigations Gordon Douglas, C.E. Till July 1 1947 - June 30, 1950
Three year summary report: Rocky Mountain bighorn sheep surveys and investigations George Jones, Claude White July 1 1947 - June 30, 1950
Emergency storm disaster feeding of wildlife Glenn E. Rogers 1950
A graphic analysis of big game population trends in relation to kill Edward K. Brown 1947
Bighorn sheep restoration Edward K. Brown 1944-1946
Bighorns memorandum Arthur H. Carhart 1943
Antelope Survey Herbert Wallace, Lorin Kautz, 1939-1942
Fur resources survey Arthur H. Carhart 1940-1942
Beaver survey Arthur H. Carhart 1939-1942
Rocky Mountain sheep study: monthly report to the Regional Insepctor Herbert Wallace, Lorin Kautz, 1940-1941
Report of the deer-elk survey 1938-1941 (v. 1-6, 1943 supp.) Arthur H. Carhart 1938-1941
General instructions for deer-elk survey crew (1939) Arthur H. Carhart 1938-1939
Deer-elk survey, Colorado Arthur H. Carhart 1939
Mammals Research: Progress Reports (1939-current)