Cooperative Research Units
Education, Research And Technical Assistance For Managing Our Natural Resources
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Katie DuggerPh.D

Research Publications

  • Foster, L.J., K.M. Dugger, C.A. Hagen, and D.A. Budeau. 2018. Acute Effects of Wildfire on Greater Sage-Grouse Vital Rates. Journal of Wildlife Management 000:000-000, DOI: 10.1002/jwmg.21573
  • Schuyler, E.M., K.M. Dugger, and D.H. Jackson. 2018. Effects of Distribution, Behavior, and Climate on Mule Deer Survival. Journal of Wildlife Management 000:000-000, DOI: 10.1002/jwmg.21558
  • Ainley, D.G., K.M. Dugger, M. La Mesa, G. Ballard, K.J. Barton, S. Jennings, B.J. Karl, A. Lescroël, P.O’B. Lyver, A. Schmidt, P. Wilson. 2018. Post-fledging survival of Adélie penguins at multiple colonies: Chicks raised
    on fish do well. Marine Ecology Progress Series 601:239-251. doi: 10.3354/meps12687
  • Miller, M.P., Haig, S.M., Forsman, E.D., Anthony, R.G., Diller, L., Dugger, K.M., Franklin, A.B., Gremel, S.A., Lesmeister, D.B., Higley, M., Herter, D.R., Sovern, S.G., 2018, Variation in inbreeding rates across the range of Northern Spotted Owls (Strix occidentalis caurina)- insights from over 30 years of monitoring data: The Auk: Ornithological Advances, v. 135, no. 4, p. 821-833,
  • Gremillet, D., A. Lescroel, G. Ballard, K.M. Dugger, M. Massaro, and D.G. Ainley. 2018. Energetic fitness: Field metabolic rates assessed via 3D
    accelerometry complement conventional fitness metrics. Functional Ecology 32:1203-1213.
  • Van Doorslaer, K, V. Ruoppolo, A. Schmidt, A. Lescroel, D. Jongsomjit, M. Elrod, S. Kraberger, D. Stainton, K.M. Dugger, G. Ballard, D.G. Ainley, and A. Varsani. 2017.
    Unique genome organization of non-mammalian
    papillomaviruses provides insights into the evolution
    of viral early proteins. Viral Evolution 3(2):1-12. doi: 10.1093/ve/vex027
  • Youngflesh, C., S. Jenouvrier, Y.Li, R. Ji, D.G. Ainley, G. Ballard, C. Barbraud, K. Delord, K.M. Dugger, W.R. Fraser, J.T. Hinke, P.O’B. Lyver, S. Olmastroni, S.G. Trivelpiece, W.Z. Trivelpiece, and H.J. Lynch. Importance of environmental variability in phenological match-mismatch: lessons from a circumpolar analysis of the Adélie penguin. Ecology 98(4):940-951.
  • Krementz, DG, KL Willard, JM Carroll, and KM Dugger. 2016. King Rail (Rallus elegans) Nesting and Brood-Rearing Ecology in a Managed Wetland in Oklahoma, USA. Waterbirds 39:241-249.
  • Wilson, D. J., P. O’B. Lyver, T. C. Greene, A. L. Whitehead, K. M. Dugger, B. J. Karl, J. R. F. Barringer, R. McGarry, A. M. Pollard, and D. G. Ainley. 2016. Adélie Penguin numbers predict breeding South Polar Skua numbers on Ross Island, Antarctica. Polar Biology early relesase: DOI 10.1007/s00300-016-1980-4
  • Dugger, B.D.,T.T. Fox, J.M. Coluccy, K.M. Dugger, M.J. Petrie, and D. Kraege. In Review. Mallards in Eastern Washington: breeding demographics for a species outside its core distribution. Journal of Wildlife Management 80:500-509, DOI:10.1002/jwmg.1030.
  • Wallace, Z.P., P.L. Kennedy, J.R. Squires, R.J. Oakleaf, K.M. Dugger, and L.E. Olson. 2016. Re-Occupancy of Breeding Territories by Ferruginous Hawks in Wyoming: Relationships to Environmental and
    Anthropogenic Factors, PLoS ONE 11(4):
    e0152977. doi:10.1371/journal.pone.0152977
  • Diller, L, K Hamm, D Early, D Lamphear, K Dugger, C Yackulic, C Schwarz, P. Carlson, and T McDonald. 2016. Demographic response of Northern Spotted Owls to Barred Owl removal in Coastal Northern California. Journal of Wildlife Management 80:691-707, DOI: 10.1002/jwmg.1046.
  • Jennings, S., A. Varsani, K.M. Dugger, G. Ballard, and D.G. Ainley. 2016. Sex-based differences in Adelie penguin (Pygoscelis adeliae) chick growth rates. PloS ONE 11(3): e0149090. doi:10.1371/
  • Dugger, K. M. 2016. Book Review: Penguins: The Ultimate Guide, in Faaborg, J. (ed.), Ornithological Literature Book Reviews. The Wilson Journal of Ornithology, 128:208-215.
  • Dugger, K. M., E. D. Forsman, A. B. Franklin, R. J. Davis, G. C. White, C. J. Schwarz, K. P. Burnham, J. D. Nichols, J. E. Hines, C. B. Yackulic, P. F. Doherty, Jr., L. Bailey, D. A. Clark, S. H. Ackers, L. S. Andrews, B. Augustine, B. L. Biswell, J. Blakesley, P. C. Carlson, Matthew J. Clement, L. V. Diller, E. M. Glenn, A. Green, S. A. Gremel, D. R. Herter, J. M. Higley, J. Hobson, R. B. Horn, K. P. Huyvaert, C. McCafferty, T. McDonald, K. McDonnell, G. S. Olson, J. A. Reid, J. Rockweit, V. Ruiz, J. Saenz, S. G. Sovern. 2016. The effects of habitat, climate and Barred Owls on long-term demography of Northern Spotted Owls. The Condor: Ornithological Applications Volume 118:57–116, DOI: 10.1650/CONDOR-15-24.1
  • Kroll, A.J., T.S. Garcia, J. Jones, K.M. Dugger, B. Murden, J. Johnson, S. Peterman, B. Brintz, and M. Rochelle. 2015. Evaluating Multi-level Models to Assess Occupancy State Responses of Plethodontid Salamanders. PLoS ONE 10(11):
    e0142903. doi:10.1371/journal.pone.0142903.
  • Dugger, K.M. 2015. ANT-0944358: Adélie penguin response to climate change at the individual, colony and metapopulation levels. Project Outcomes Summary for Lay Public.
  • Schreck, C.B, D. D. Roby, K. Dugger, and J. Peterson. 2015. Meeting Cooperator Needs: Examples from the Oregon Cooperative Fish and Wildlife Research Unit. Transactions of the North American Wildlife and Natural Resources Conference
    80. Omaha, NE.
  • Whitehead, A.L., P. O'B. Lyver, G. Ballard, K. Barton, B.J. Karl, K. M. Dugger, S. Jennings, A. Lescroel, P.R. Wilson, and D. G. Ainley. 2015. Factors driving Adelie penguin chick size, mass and condition at colonies of different sizes in the Southern Ross Sea. Marine Ecology Progress Series 523:199-213.
  • Sovern, S.G., E.D. Forsman, K.M. Dugger, and M.Taylor. 2015. Habitat use by northern spotted owls during natal dispersal. Journal of Wildlife Management 79:254-262.
  • Ackers, S.H., R.J. Davis, K.A. Olsen, and K.M. Dugger. 2014. The evolution of mapping habitat for northern spotted owls (Strix occidentalis caurina): a comparison of photo-interpreted, Landsat, and LiDAR based habitat maps. Remote Sensing of Environment 156:361-373.
  • Dugger, K.M., G. Ballard, D.G. Ainley, P.O'B Lyver, and C. Schine. 2014. Adélie penguins coping with environmental change: results from a natural experiment at the edge of their breeding range. Frontiers in Ecology and Evolution.
  • P.L. Kennedy, A.M. Bartuszevige, M.Houle, A.B. Humphrey, K.M. Dugger and J. Williams. 2014. Long-term dynamics in buteo hawk territory occupancy on a privately-managed bunchgrass prairie in Northeast Oregon. The Condor: Ornithological Applications 116:435-445.
  • LaRue, M.A., D.G. Ainley, M.Swanson, K.M. Dugger, P.O'B. Lyver, K.Barton, and G. Ballard. 2013. Climate change winners: receding ice fields facilitate colony expansion and altered dynamics in an Adélie penguin metapopulation. PLoS ONE 8(4):e60568. Doi:10.1371/journal.pone.0060568.
  • Schilling, J.W., K.M. Dugger and R.G. Anthony. 2013. Survival and home-range size of northern spotted owls in southwestern Oregon. Journal of Raptor Research 47:1-14.
  • Faaborg, J., W.J. Arendt, J.D. Toms, K.M. Dugger, W.A. Cox, and M.C. Mora. 2013. Long-term decline of a winter resident bird community in Puerto Rico. Biodiversity and Conservation 22:63-75.
  • Davis, RJ, and KM Dugger. 2011. Northwest forest plan–the first 15 years (1994–2008): status and trends of Northern Spotted Owl populations and habitat. USDA Forest Service General Technical Report PNW-GTR-850.
  • Dugger, KM, RG Anthony, and LS Andrews. 2011. Transient dynamics of invasive competition: barred owls, spotted owls and the demons of competition present. Ecological Applications 21:2459-2468.
  • Raphael, MG, GA Falxa, KM Dugger, BM Galleher, D Lynch, SL Miller, SK Nelson, and RD Young. 2011. Northwest Forest Plan—the first 15 years (1994–2008): status and trend of nesting habitat for the marbled murrelet. USDA Forest Service General Technical Report PNW-GTR-848.
  • Forsman, ED, RG Anthony, KM Dugger, EM Glenn, AB Franklin, GC White, CJ Schwarz, KP Burnham, DR Anderson, JD Nichols, JE Hines, JB Lint, RJ Davis, SH Ackers, LS Andrews, BL Biswell, PC Carlson, LV Diller, SA Gremel, DR Herter, JM Higley, RB Horn, JA Reid, J Rockweit, J Schaberel, TJ Snetsinger, and SG Sovern. 2011. Population demography of northern spotted owls. Studies in Avian Biology 40.
  • Ballard, G, DG Ainley, KM Dugger, and N Nur. 2010. Foraging strategies of Adélie penguins: adjusting body condition to cope with environmental variability. Marine Ecology Progress Series 405:287-302.

  • Faaborg, J, TW Sherry, A Anders, K Bildstein, KM Dugger, S. Gauthreaux, P. Heglund, K.A. Hobson, DH Johnson, SC Latta, D Levey, P Marra, CL Merkord , E Nol, SI Rothstein, S Sillett, FR Thompson III, and N Warnock. 2010. Recent advances in understanding migration systems of New World landbirds. Ecological Monographs 80(1):2-48.
  • Faaborg, J, TW Sherry, A Anders, KL Bildstein, KM Dugger, S Gauthreaux, P Heglund, K Hobson, DH Johnson, SC Latta, DJ Levey, P Marra, CL Merkord, E Nol, SI Rothstein, TS Sillett, FR Thompson III, and N Warnock. 2010. Managing migratory landbirds in the New World: do we know enough? Ecological Applications 20(2):398-410.
  • Dugger, KM, DG Ainley, P Lyver, K B, and G Ballard. 2010. Survival differences and the effect of environmental instability on breeding dispersal in an Adélie penguin meta-population. Proceedings of the National Academy of Sciences 107:12375-12380.
  • Ainley, DM, KM Dugger, RG Ford, SD Pierce, DC Reese, RD Brodeur, CT Tynan, JA Barth. 2009. The spatial association of predators and prey at frontal features in the northern California Current: Competition, facilitation, or merely co-occurrence? Marine Ecology Progress Series 389:271-294.
  • Dugger, BD, KM Dugger and LH Fredrickson. 2009. Hooded Merganser (Lophodytes cucullatus), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online:
  • Lesroel, A, KM Dugger, G Ballard, and DG Ainley. 2009. Effects of individual quality, reproductive success and environmental variability on survival of a long-lived seabird. Journal of Animal Ecology 78:798-806.
  • Ainley, DG, KM Dugger, V Toniolo, and I Gaffney. 2007. Cetacean occurrence patterns in the Amundsen and southern Bellingshausen Seas sector, Southern Ocean. Marine Mammal Science 23:287-305.
  • Faaborg, J., KM Dugger, and W. J. Arendt. 2007. Long-term variation of the winter-resident bird community of Guánica Forest, Puerto Rico: lessons for measuring and monitoring species richness. Journal of Field Ornithology 78:270-278.
  • Hagar, JC, KM Dugger, and EE Starkey. 2007. Diet of Wilson's warblers and distribution of arthropod prey in the understory of Douglas-fir forests. Wilson Journal of Ornithology 119:533-546.
  • Ainley, DG, G. Ballard, and KM Dugger. 2006. Competition among penguins and cetaceans reveals trophic cascades in the Western Ross Sea, Antarctica. Ecology 87:2080-2093.
  • Anthony, RG, ED Forsman, AB Franklin, DR Anderson, KP Burnham, GC White, CJ Schwarz, JD Nichols, JE Hines, GS Olson, SH Ackers, S Andrews, BL Biswell, PC Carlson, LV Diller, KM Dugger, KE Fehring, TL Fleming, RP Gerhardt, SA Gremel, RJ Gutiérrez, PJ Happe, DR Herter, JM Higley, RB Horn, LL Irwin, PJ Loschl, JA Reid, SS Sovern. 2006. Status and trends in demography of Northern Spotted Owls, 1985-2003. Wildlife Monographs 163:1-47.
  • Dugger, KM, G Ballard, DG Ainley, and K Barton. 2006. Effects of flipper-bands on apparent survival and foraging behavior of Adélie penguins. The Auk 123:858-869.
  • Sheffield, LM, AE Gall, DD Roby, DB Irons, and KM Dugger. 2006. Monitoring planktivorious seabird populations: validating surface counts of crevice-nesting Auklets using mark-resighting. Canadian Journal of Zoology 84:846-854.
  • Ainley, DG, G Ballard, BJ Karl, and KM Dugger. 2005. Leopard seal predation rates at penguin colonies of different size. Antarctic Science 17:335-340. Publisher Website | 
  • Dugger, KM, FF Wagner, RG Anthony, GS Olson. 2005. The relationship between habitat characteristics and demographic performance of Northern Spotted Owls in southern Oregon. Condor 107:865-880.
  • Olson, GS, RG Anthony, ED Forsman, SH Ackers, PJ Loschl, JA Reid, KM Dugger, EM Glenn, and WJ Ripple. 2005. Modeling of site occupancy dynamics of northern spotted owls in Oregon, including the effects of barred owl encroachment. Journal of Wildlife Management 69:918-932.
  • Dugger, KM, J Faaborg, WJ Arendt, and KA Hobson. 2004. Understanding survival and abundance of overwintering warblers: does rainfall matter? Condor 106:744-760.
  • Faaborg, J, WJ Arendt, and KM Dugger. 2004. Bird population studies in Puerto Rico using mist nets: general patterns and comparisons with point counts. Studies in Avian Biology 29:144-150.
  • McCreedy, CD, KA Reynolds, CM Basile, MC Nicholson, KM Dugger, ME Gross, GM Mohr, Jr. 2004. Terrestrial animal species in the Hoosier-Shawnee ecological assessment area. General Technical Report NC-244. St. Paul, MN: U.S. Department. of Agriculture, Forest Service, North Central Research Station. 267 pp.
  • Dugger, BD, and KM Dugger. 2003. Long-billed Curlew. Pages 224-226 in Birds of Oregon: A general reference. D. B. Marshall, M. G. Hunter, and A. L. Contreras, eds. Oregon State University Press, Corvallis, OR.
  • Dugger, BD and KM Dugger. 2002. The long-billed curlew. In The Birds of North America, No. 628 (A. Poole, P. Stettenheim, and F. Gill, eds.). Philadelphia: The Academy of Natural Sciences; Washington, DC; The American Ornithologists' Union.
  • Dugger, KM, MR Ryan, DL Galat, RR Renken, JW Smith. 2002. Reproductive success of the interior least tern (Sterna antillarum) in relation to hydrology on the Lower Mississippi River. River Research and Application. 18:97-105.
  • Dugger, KM, J Faaborg, and WJ Arendt. 2000. Rainfall correlates of bird populations and survival rates in a Puerto Rican dry forest. Bird Populations. 5:11-27.

    Publisher Website | 
  • Dugger, KM, MR Ryan, and RR Renken. 2000. Survival rates of least tern chicks on the Lower Mississippi River. Journal of Field Ornithology 71:330-338.
  • Faaborg, J, Arendt, WJ, and KM Dugger. 2000. The Guánica, Puerto Rico, bird monitoring project. Bird Populations 5:102-111. Publisher Website | 
  • Dugger, KM, BD Dugger, and LH Fredrickson. 1999. Annual survival rates of female hooded mergansers and wood ducks in the southeast. Wilson Bulletin 111:1-6.
  • Faaborg, J, KM Dugger, W Arendt, M Baltz and B Woodworth. 1997. Evidence for precipitous declines in the Puerto Rican Vireo of Guánica Forest. Wilson Bulletin 109:195-202
  • Dugger, BD, KM Dugger, and LH Fredrickson. 1994. The hooded merganser. In The Birds of North America, No. 98 (A. Poole, P. Stettenheim, and F. Gill, eds.). Philadelphia: The Academy of Natural Sciences; Washington, DC; The American Ornithologists' Union.
  • Dugger, KM, and LH Fredrickson. 1992. Life history and habitat needs of the wood duck. Waterfowl Management Handbook, Fish and Wildlife Leaflet13.1.6.

Current Staff

Federal Staff: 3

Masters Students: 11

Phd Students: 11

Post Docs: 3

University Staff: 14

5 Year Summary

Students graduated: 20

Scientific Publications: 76

Presentations: 240


Contact Us

Oregon Cooperative Fish and Wildlife Research Unit Corvallis, OR 97331-3803 Phone: (541) 737 - 1938 Fax: (541) 737 - 3590

Unit Leader

Carl Schreck
Carl Schreck

Oregon Cooperative Fish and Wildlife Research Unit Cooperators

  1. Oregon Department of Fish and Wildlife
  2. Oregon State University
  3. U.S. Fish and Wildlife Service
  4. U.S. Geological Survey
  5. Wildlife Management Institute