Koford, R. R., G. S. Wilkinson, and B. S. Bowen. 1980. First record of an Aplomado Falcon (Falco femoralis) Costa Rica. Brenesia 17:23-25.
Koford, R. R. 1982. Mating system of a territorial tree squirrel (Tamiasciurus douglasii) in California. J. Mammal. 63:274-283 .
Koford, R. R., B. S. Bowen, and S. L. Vehrencamp. 1986. Habitat saturation in Groove-billed Anis (Crotophaga sulcirostris). Am. Nat. 127:317-337 .
Vehrencamp, S. L., B. S. Bowen, and R. R. Koford. 1986. Breeding roles and pairing patterns within communal groups of Groove-billed Anis (Crotophaga sulcirostris). An. Behav. 34:347-366.
Bowen, B. S. and R. R. Koford. 1987. Dispersal, population size, and genetic structure in Microtus californicus: empirical findings and computer simulation. Pp. 180-189 in B. D. Chepko-Sade and Z. T. Halpin, eds., Mammalian dispersal patterns: the effects of social structure on population genetics. Univ. Chicago Press, Chicago.
Vehrencamp, S. L., R. R. Koford, and B. S. Bowen. 1988. The effect of breeding-unit size on fitness components in Groove-billed Anis. Pp. 291-304 in T. H. Clutton-Brock, ed., Reproductive success: studies of individual variation in contrasting breeding systems. Univ. of Chicago Press, Chicago.
Bowen, B. S, R. R. Koford, and S. L. Vehrencamp. 1989. Dispersal in the communally breeding Groove-billed Ani (Crotophaga sulcirostris). Condor 91:52-64.
Koford, R. R., B. S. Bowen, and S. L. Vehrencamp. 1990. Groove-billed Anis: joint nesting in a tropical cuckoo. Pp. 335-355 in P. Stacey and W. Koenig, eds., Cooperative breeding in birds: long term studies of ecology and behavior. Cambridge Univ. Press, Cambridge
Bowen, B. S, R. R. Koford, and S. L. Vehrencamp. 1991. Seasonal pattern of reverse mounting in the Groove-billed Ani (Crotophaga sulcirostris). Condor 93:159-163.
Koford, R. R. 1992. Does supplemental feeding of red squirrels change population density, movements, or both? J. Mammal. 73:930-932
Koford, R. R., J. R. Sauer, D. H. Johnson, J. D. Nichols, M. D. Samuel. 1992. A stochastic population model of mid-continental Mallards. Pp. 170-181 in D. R. McCullough and R. H. Barrett, eds., Wildlife 2001: populations. Elsevier Science Publishers, Essex, England.
Kantrud, H. A., R. R. Koford, D. H. Johnson, and M. D. Schwartz. 1993. The Conservation Reserve Program: good for birds of many feathers. North Dakota Outdoors 56(2):14-17.
Koford, R. R., J. B. Dunning, Jr., C. A. Ribic, and D. M. Finch. 1994. A glossary for avian conservation biology. Wilson Bull. 106:121-137.
Koford, R. R. 1994. Book review of Ecosystem phenology. Prairie Naturalist 26:323.
Bowen, B. S., R. R. Koford, and Jerram L. Brown. 1995. Genetic evidence for undetected alleles and unexpected parentage in the Gray-breasted Jay. Condor 97:503-511.
Johnson, D. H., and R. R. Koford. 1995. Conservation Reserve Program and migratory birds in the northern Great Plains. Pp. 302-303 in E. T. LaRoe, G. S. Farris, C. E. Puckett, P. D. Doran, and M. J. Mac, eds., Our living resources: a report to the Nation on the distribution, abundance, and health of U.S. plants, animals, and ecosystems. U.S. Dept. of the Interior, National Biological Service, Washington D.C.
Beauchamp, W., R. R. Koford, T. Nudds, R. Clark, and D. H. Johnson. 1996. Long-term declines in nest success of prairie ducks. J. Wildl. Manage. 60:247-257.
Koford, R. R, and L. B. Best. 1996. Management of agricultural landscapes for the conservation of Neotropical migratory birds. Pp. 68-88 in F. Thompson, ed., Management of Midwestern landscapes for the conservation of Neotropical migratory birds. U.S. Forest Service Gen. Tech. Rep. NC-187, North Central Forest Experiment Station, St. Paul Minnesota.
Lokemoen, J. T., and R. R. Koford. 1996. Using candlers to determine the incubation stage of passerine eggs. J. Field Ornithol. 67:660-668.
Melde, P. B., and R. R. Koford. 1996. Henslow's sparrow nesting observations, habitat associations, and history in Iowa. Iowa Bird Life 66:117-122.
Koford, R. R. 1999. Density and fledging success of grassland birds in Conservation Reserve Program fields in North Dakota and west-central Minnesota. Stud. Avian Biol. 19:187-195.
Koford, R. R. 1999. Book review of Ecology and conservation of Great Plains vertebrates. Great Plains Research 9:197-199.
Koford, R. R., B. S. Bowen, J. T. Lokemoen, and Arnold D. Kruse. 2000. Cowbird parasitism in grassland and cropland in the northern Great Plains. Pp. 229-235 in J .N. M. Smith, T. Cook, S. I. Rothstein, S. K. Robinson, and S. G. Sealy, eds., Ecology and management of cowbirds and their hosts, University of Texas Press. 388 pp.
Horn, D.J., R.J. Fletcher, Jr., and R.R. Koford. 2000. Detecting area sensitivity: a comment on previous studies. Am. Midl. Nat. 144:28-35.
Horn, D.J., and R.R. Koford. 2000. Grassland bird abundance the year following mowing of Conservation Reserve Program fields in North Dakota. Wildl. Soc. Bull. 28:653-659.
Horn, D.J., R. R. Koford, and M.L. Braland. 2002. Effects of field size and landscape composition on grassland birds in south-central Iowa. J. Iowa Acad. Sci. 109:1-7.
Cordts, S.D., G.G. Zenner, and R. R. Koford. 2002. Comparison of helicopter and ground counts for waterfowl in Iowa.Wildl. Soc.Bull. 30:317-326.
Fletcher, R.J., Jr., and R.R. Koford. 2002. Habitat and landscape associations of breeding birds in native and restored grasslands. J. Wildl. Manage. 66:1011-1022.
Koford, R. R., and H. Stallman. 2002. Habitat conservation for birds in the Mississippi Headwaters/Tallgrass Prairie Ecosystem.Great Plains Research 12:123-139.
Herkert, J. R., D. L. Reinking, D. A. Wiedenfeld, M. Winter, J. L. Zimmerman, W. E. Jensen, E. J. Finck, R. R. Koford, D. H. Wolfe, S. K. Sherrod, M. A. Jenkins, J. Faaborg, and S. K. Robinson. 2003. Effects of grassland fragmentation on the nesting success of breeding birds in the mid-continental United States. Conserv. Biol. 17:587-594.
Phillips, M. L., W. R. Clark, M. A. Sovada, D. J. Horn, and R. R. Koford, and R. J. Greenwood. 2003. Predator selection of prairie landscape features and its relation to duck nest success. J. Wildl. Manage. 67:104-114.
Fletcher, R. J., Jr., and R. R. Koford. 2003. Changes
in breeding bird populations with habitat restoration in northern
Fletcher, R. J., Jr., and R. R. Koford. 2003. Spatial responses of Bobolinks (Dolichonyx oryzivorus) near different types of edges in northern Iowa. Auk 120:799-810.
Fletcher, R. J., Jr., and R. R. Koford. 2004. Consequences of rainfall variation for breeding wetland blackbirds. Can. J. Zool. 82:1316–1325. Abstract and PDF file available.
Horn, D. J., M. L. Phillips, R. R. Koford, W. R. Clark, M. A. Sovada, and R. J. Greenwood. 2005. Landscape composition, patch size, and distance to edges: interactions affecting duck reproductive success. Ecol. Appl. 15:1367-1376. PDF file available.
Jacobs, B., R. R. Koford, F. R. Thompson, III, H. Woodward, M. Hubbard, J. A. Fitzgerald, and J. R. Herkert. 2005. Grassland bird conservation efforts in Missouri and Iowa: How will we measure success? Pp. 78-82 in C. J. Ralph and T. D. Rich, eds., Bird conservation implementation and integration in the Americas: Proceedings of the third international Partners in Flight conference. U.S.F.S. Gen. Tech. Rep. PSW-GTR-191.
Koford, R. R., and J. A. Fitzgerald. 2005. Measuring the success of bird conservation plan implementation. Pp. 68-70 in C. J. Ralph and T. D. Rich, eds., Bird conservation implementation and integration in the Americas: proceedings of the third international Partners in Flight conference. U.S.F.S. Gen. Tech. Rep. PSW-GTR-191.
Fletcher, R. J., Jr., R. R. Koford, and D.A Seaman. 2006. Critical demographic parameters for declining songbirds breeding in restored grasslands. J. Wildlife Manage. 70:145157.
Horn, D. J., and R. R. Koford. 2006. Could the area-sensitivity of some grassland birds be affected by landscape composition? Pages 109-116 in Egan, D, and J.A. Harrington, editors, Proceedings of the 19th North American Prairie Conference. Madison: University of Wisconsin–Madison.
Vogel, J. A., D. M. Debinski, R. R. Koford, J. R. Miller. 2007. Butterfly responses to prairie restoration through fire and grazing. Biological Conservation 140:78–90.
Arnett, E. B., W. K. Brown, W. P. Erickson, J. K. Fiedler, B. L. Hamilton, T. H. Henry, A. Jain, G. D. Johnson, J. Kerns, R. R. Koford, C. P. Nicholson, T. J. O’Connell, M. D. Piorkowski, R. D. Tankersley, Jr. 2008. Patterns of bat fatalities at wind energy facilities in North America. J. Wildl. Manage. 72:61-78
C.A. Ribic, R.R. Koford, J.R. Herkert, D.H. Johnson, N.D. Niemuth, D.E. Naugle, K.K. Bakker, D.W. Sample, and R.B. Renfrew. 2009. Area sensitivity in North American grassland birds: patterns and processes. Auk 126:233-244.
Updated 10 August, 2009
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