Northern Prairie Wildlife Research Center
American Ornithologists' Union. 1983. Check-list of North American birds,
6th ed. American Ornithologists' Union, Washington, D.C.
Anonymous. 1983. The declining grassland birds. Illinois Natural History
Survey Report No. 227.
Askins, R. A. 1993. Population trends in grassland, shrubland, and forest
birds in eastern North America. Current Ornithology 11:1-34.
Askins, R. A., J. F. Lynch, and R. Greenberg. 1990. Population declines in
migratory birds in the eastern North America. Current Ornithology
7:1-57.
Bernstein, N. P., K. K. Baker, and S. R. Wilmot. 1990. Changes in a prairie
bird population from 1940 to 1989. Journal of Iowa Academy of Science
97:115-120.
Böhning-Gause, K., and H.-G. Bauer. 1996. Changes in species abundance,
distribution, and diversity in a central European bird community.
Conservation Biology 10:175-187.
Box, G. E. P., and G. C. Tiao. 1973. Bayesian inference in statistical
analysis. Addison-Wesley, Reading, Massachusetts.
Cochran, W. G. 1977. Sampling techniques, 3rd ed. John Wiley and Sons,
New York.
Cody, M. L. 1985. Habitat selection in grassland and open-country birds.
Pages 191-226 in Habitat selection in birds (M. L. Cody, Ed.).
Academic Press, Orlando, Florida.
Dahl, T. E. 1990. Wetland losses in the United States, 1780's to 1980's.
U.S. Fish and Wildlife Service, Washington, D.C.
DeSante, D., and P. Pyle. 1986. Distributional checklist of North
American birds. Volume 1: United States and Canada. Artemisia
Press, Lee Vining, California.
Doty, H. A., F. B. Lee, A. D. Kruse, J. W. Mathews, and P. M. Arnold.
1984. Wood Duck and Hooded Merganser nesting on Arrowwood NWR,
North Dakota. Journal of Wildlife Management 48:577-580.
Droege, S., and J. R. Sauer. 1989. North American Breeding Bird Survey
Annual summary 1988. U.S. Fish and Wildlife Service Biological
Report 89(13), Washington, D.C.
Droege, S., and J. R. Sauer. 1994. Are more North American species
decreasing than increasing? Pages 297-306 in Bird Numbers 1992.
Distribution, monitoring and ecological aspects (E. J. M. Hagemeijer
and T. J. Verstrael, Eds.). Proceedings of the 12th International
Conference of IBCC and EOAC, Noordwijkerhout, The Netherlands,
Statistics Netherlands, Voorburg/Heerlen and SOVON, Beek-Ubbergen.
DuBowy, P. J. 1983. Additional records of passerines feeding on poplar
galls, and a possible mechanism for summer nomadism in boreal finches.
Prairie Naturalist. 15:63-64.
Dunn, E. H., and D. J. T. Hussell. 1995. Using migration counts to monitor
landbird populations: Review and evaluation of current status. Current
Ornithology 12:43-88.
Ehrlich, P. R., D. S. Dobkin, and D. Wheye. 1988. The birder's handbook:
A field guide to the natural history of North American birds. Simon
and Schuster, New York.
Faanes, C. A., and R. E. Stewart. 1982. Revised checklist of North Dakota
birds. Prairie Naturalist 14:81-92.
Finch, D. M. 1991. Population ecology, habitat requirements, and conservation
of Neotropical migratory birds. U.S. Forest Service General Technical
Report RM-205, Fort Collins, Colorado.
Finch, D. M. 1992. Threatened, endangered, and vulnerable species of terrestrial
vertebrates in the Rocky Mountain region. U.S. Forest Service General Technical
Report RM-215, Fort Collins, Colorado.
Finch, D. M., and P. W. Stangel (Eds.). 1993. Status and management of
Neotropical migratory birds; 21-25 September 1992; Estes Park, CO.
U.S. Forest Service General Technical Report RM-229, Fort Collins,
Colorado.
Fretwell, S. D., and J. S. Calver. 1970. On territorial behavior and other
factors influencing habitat distribution in birds. II. Sex ratio
variation in the Dickcissel. Acta Biotheoretica 19:37-44.
Geissler, P. H. and J. R. Sauer. 1990. Topics in route-regression analysis.
Pages 54-57 in Survey designs and statistical methods for the estimation
of avian population trends (J. R. Sauer and S. Droege, Eds.). U.S. Fish
and Wildlife Service Biological Report 90(1), Washington, D.C.
George, T. L., A. C. Fowler, R. L. Knight, and L. C. McEwen. 1992. Impacts
of a severe drought on grassland birds in western North Dakota.
Ecological Applications 2:275-284.
Gibbs, J. P., and J. Faaborg. 1990. Estimating the viability of Ovenbird
and Kentucky Warbler populations in forest fragments. Conservation
Biology 4:193-196.
Goosen, J. P., S. Brechtel, K. D. De Smet, D. Hjertaas, and C. Werschler.
1993. Canadian Baird's Sparrow recovery plan. Recovery of Nationally
Endangered Wildlife Report No. 3, Canadian Wildlife Federation, Ottawa.
Graber, R. R., and J. W. Graber. 1963. A comparative study of bird
populations in Illinois, 1906-1909 and 1956-1958. Illinois
Natural History Survey Bulletin 28:383-528.
Hagan, J. M., III. 1993. Decline of the Rufous-sided Towhee in the
eastern United States. Auk 110:863-874.
Hagan, J. M., III, and D. W. Johnston (Eds.). 1992. Ecology and conservation
of Neotropical migrant landbirds. Smithsonian Institution Press,
Washington, D.C.
Hammond, M. C. 1969. Notes on conducting waterfowl breeding population
surveys in the north central states. Pages 238- 254 in Saskatoon
Wetlands Seminar, Canadian Wildlife Service Report Series No. 6.
Harrison, P. 1983. Seabirds: An identification guide. Houghton Mifflin,
Boston, Massachusetts.
Hayman, P., J. Marchant, and T. Prater. 1986. Shorebirds: An identification
guide. Houghton Mifflin, Boston, Massachusetts.
Henny, C. J. 1973. Drought displaced movement of North American pintails into
Siberia. Journal of Wildlife Management 37:23-29.
Herkert, J. R. 1991. Prairie birds of Illinois: Population response to two
centuries of habitat change. Illinois Natural History Survey Bulletin
34:393-399.
Herkert, J. R. 1994. The effects of habitat fragmentation on midwestern
grassland bird communities. Ecological Applications 4:461-471.
Herkert, J. R. 1995. An analysis of midwestern breeding bird population
trends: 1966-1993. American Midland Naturalist 134:41-50.
Igl, L. D., and D. H. Johnson. 1995. Dramatic increase of Le Conte's Sparrow
in Conservation Reserve Program fields in the northern Great Plains.
Prairie Naturalist 27:89-94.
Jensen, R. E. 1972. Climate of North Dakota. U.S. National Weather Service,
Fargo, North Dakota.
Johnson, D. H. 1977. Some Bayesian statistical techniques useful in estimating
frequency and density. U.S. Fish and Wildlife Service Special Scientific
Report, Wildlife No. 203, Washington, D.C.
Johnson, D. H., and J. W. Grier. 1988. Determinants of breeding distributions
of ducks. Wildlife Monographs 100:1-37
Johnson, D. H., and L. D. Igl. 1995. Contributions of the Conservation Reserve
Program to populations of breeding birds in North Dakota. Wilson Bulletin
107:709-718.
Johnson, D. H., and M. D. Schwartz. 1993. The Conservation Reserve Program and
grassland birds. Conservation Biology 7:934-937.
Johnson, M. D., and J. Knue. 1989. Feathers from the prairie: A short history
of upland game birds, 2nd ed. North Dakota Game and Fish Department,
Bismarck.
Johnston, D. W., and J. M. Hagan III. 1992. An analysis of long-term breeding
bird censuses from eastern deciduous forests. Pages 75-84 in Ecology and
conservation of Neotropical migrant landbirds (J. M. Hagan, III, and D. W.
Johnston, Eds.). Smithsonian Institution Press, Washington, D.C.
Kantrud, H. A. 1982. Maps of distribution and abundance of selected species of
birds on uncultivated native upland grasslands and shrubsteppe in the
northern Great Plains. U.S. Fish and Wildlife Service FWS/OBS-82/31.
Kendeigh, S. C. 1941. Birds of a prairie community. Condor 43:165-174.
Knopf, F. L. 1988. Conservation of steppe birds in North America. Pages
27-41 in Ecology and conservation of grassland birds (P. D. Goriup, Ed.).
International Council for Bird Preservation Technical Publication No. 7.
Knopf, F. L. 1994. Avian assemblages on altered grasslands. Studies in
Avian Biology 15:247-257.
Lee, F. B., C. H. Schroeder, T. L. Kuck, L. J. Schoonover, M. A. Johnson,
H. K. Nelson, and C. A. Beauduy. 1984. Rearing and restoring giant
Canada Geese in the Dakotas. North Dakota Game and Fish Department,
Bismarck.
MacArthur, R. H. 1959. On the breeding distribution pattern of North
American migrant birds. Auk 76:318-325.
Madge, S., and H. Burn. 1988. Waterfowl: An identification guide to the
ducks, geese and swans of the world. Houghton Mifflin, Boston,
Massachusetts.
Marks, J. S., D. L. Evans, and D. W. Holt. 1994. Long-eared Owl (Asio otus).
In The Birds of North America, No. 133 (A. Poole and F. Gill, Eds.).
Philadelphia: The Academy of Natural Sciences; Washington D. C.: The
American Ornithologists' Union.
McNicholl, M. K. 1988. Ecological and human influences on Canadian populations
of grassland birds. Pages 1-25 in Ecology and conservation of grassland
birds (P. D. Goriup, Ed.). International Council for Bird Preservation,
Technical Publication No. 7.
Mengel, R. M. 1970. The North American central plains as an isolating agent
in bird speciation. Pages 280-340 in Pleistocene and recent environments
of the central Great Plains (W. Dort and J. K. Jones, Eds.). University
of Kansas Press, Lawrence.
MicroImages, Inc. 1992. A guide to map and image processing. MicroImages
Press, Lincoln, Nebraska.
Mulvihill, R. S. 1989. The occurrence of Dickcissels (Spiza americana)
in western Pennsylvania during the 1988 nesting season: Its
possible bearing on the unusual history in eastern North America.
Pennsylvania Birds 2:83-87.
National Oceanic and Atmospheric Administration. 1967, 1988-1993.
Climatological data: North Dakota. National Climatic Data
Center, Asheville, North Carolina.
Nelms, C. O., W. J. Bleier, D. L. Otis, and G. M. Linz. 1994. Population
estimates of breeding blackbirds in North Dakota, 1967, 1981-1982 and
1990. American Midland Naturalist 132:256-263.
Peterjohn, B. G., and J. R. Sauer. 1993. North American Breeding Bird
Survey annual summary, 1990-1991. Bird Populations 1:52-67.
Rappole, J. H., E. S. Morton, T. E. Lovejoy, III, and J. L. Ruos. 1983.
Nearctic avian migrants in the Neotropics. U.S. Fish and Wildlife
Service, Washington, D.C.
Reynolds, R. E., T. L. Shaffer, J. R. Sauer, and B. G. Peterjohn. 1994.
Conservation Reserve Program: Benefit for grassland birds in the
Northern Plains. Transactions of the North American Wildlife and
Natural Resources Conference 59:328-336.
Risser, P. G., E. C. Birney, H. D. Blocker, S. W. May, W. J. Parton, and J. A.
Wiens. 1981. The true prairie ecosystem. Hutchinson Ross Publishing,
Stroudsburg, Pennsylvania.
Robbins, C. S., D. Bystrak, and P. H. Geissler. 1986. The Breeding Bird Survey:
Its first fifteen years, 1965-1979. U.S. Fish and Wildlife Service Resource
Publication 157, Washington, D.C.
Robbins, C. S., S. Droege, and J. R. Sauer. 1989. Monitoring bird populations
with Breeding Bird Survey and atlas data. Annales Zoologici Fennici
26:297-304.
Samson, F., and F. Knopf. 1994. Prairie conservation in North America.
BioScience 44:418-421.
Sauer, J. R., and S. Droege. 1990. Recent population trends of the Eastern
Bluebird. Wilson Bulletin 102:239-252.
Sherry, T. W., and R. T. Holmes. 1992. Are populations of Neotropical
migrant birds limited in summer or winter? Implications for management.
Pages 47-57 in Status and management of Neotropical migratory birds
(D. M. Finch and P. W. Stangel, Eds.). U.S. Forest Service General
Technical Report RM-229, Fort Collins, Colorado.
Speirs, J. M., and R. Orenstein. 1967. Bird populations in fields of
Ontario County, 1965. Canadian Field-Naturalist 81:175-183.
Stewart, R. E. 1975. Breeding birds of North Dakota. Tri-College Center
for Environmental Studies, Fargo, North Dakota.
Stewart, R. E., and H. A. Kantrud. 1971. Classification of natural ponds
and lakes in the glaciated prairie region. U.S. Fish and Wildlife
Service Resource Publication No. 92, Washington, D.C.
Stewart, R. E., and H. A. Kantrud. 1972. Population estimates of breeding
birds in North Dakota. Auk 89:766-788.
Temple, S. A., and J. R. Cary. 1990. Using checklist records to reveal
trends in bird populations. Pages 98-104 in Survey designs and
statistical methods for the estimation of avian population trends
(J. R. Sauer and S. Droege, Eds.). U.S. Fish and Wildlife Service
Biological Report 90(1), Washington, D.C.
Thompson, F. R., S. J. Lewis, J. Green, and D. Ewert. 1993. Status of
Neotropical migrant landbirds in the Midwest: Identifying species of
management concern. Pages 145-158 in Status and management of
Neotropical migratory birds (D. M. Finch and P. W. Stangel, Eds.).
U.S. Forest Service General Technical Report RM-229, Fort Collins,
Colorado.
Trapp, J. L., M. A. Robus, G. J. Tans, and M. M. Tans. 1981. First breeding
record of the Sora and American Coot in Alaska: With comments on drought
displacement. American Birds 35:901-902.
U.S. Fish and Wildlife Service. 1995. Migratory nongame birds of management
concern in the United States: The 1995 list. U.S. Fish and Wildlife
Service, Washington, D.C.
Vickery, P. D., M. L. Hunter, Jr, and S. M. Melvin. 1994. Effects of habitat
area on the distribution of grassland birds in Maine. Conservation
Biology 8:1087-1097.
Warner, R. E. 1994. Agricultural land use and grassland habitat in Illinois:
Future shock for midwestern birds? Conservation Biology 8:147-156.
Wiens, J. A. 1974. Climatic instability and the "ecological saturation" of
bird communities in North American grasslands. Condor 76:385-400.
Willson, M. F. 1976. The breeding distribution of North American migrant
birds: A critique of MacArthur (1959). Wilson Bulletin 88:582-587.
Zimmerman, J. L. 1992. Density-independent factors affecting the avian
diversity of the tallgrass prairie community. Wilson Bulletin
104:85-94.