Title Genres Topics Date (Start) Date (End)
Gladys Black letter to Vernon Kleen regarding Red Rock Refuge and the Evening Grosbeak invasion, February 1976 Correspondence Field notes Maps (documents) Bird populations Bird watching Birds--Counting Birds--Research Ornithology--Methodology 1976-02-01 1976-02-29
Report form for selected species in spring, contributed by Marion M. Brewer, spring 1985 Field notes Forms (documents) Bird watching Birds--Research Ornithology--Methodology 1985-03-01 1985-05-31
Fall 1994, Loons through Ducks, December 10, 1994 Field notes Bird watching Birds--Research Anseriformes | Ducks, Geese, and Swans Podicipediformes | Grebes Ciconiiformes | Herons, Bitterns, Egrets, Ibises, and Storks Gaviiformes | Loons Ornithology--Methodology 1994-12-10 N/A
Fall 1994, Vultures through Kingfishers, December 10, 1994 Field notes Bird watching Birds--Research Falconiformes | Hawks, Eagles, Falcons, Osprey, and Vultures Ornithology--Methodology Charadriiformes | Shore-birds, Gulls, and Auks Strigiformes | Owls Coraciiformes | Kingfishers 1994-12-10 N/A
Fall 1994, Woodpeckers to end, December 11, 1994 Field notes Bird watching Birds--Research Ornithology--Methodology Fringillidae | Finches Parulidae | Warblers Piciformes | Woodpeckers and allies Emberizidae | Sparrows 1994-12-11 N/A
Field reports data, spring 1998, June 12, 1998 Field notes Bird watching Birds--Research Ornithology--Methodology 1998-06-12 N/A
Spring 1999 late reports, June 17, 1999 Field notes Bird watching Birds--Research Ornithology--Methodology 1999-06-17 N/A
Field reports of Iowa birds, June 6, 1985 Field notes Bird watching Birds--Research Ornithology--Methodology N/A N/A
Field notes contributed by Carl J. Bendorf, spring 1980 Field notes Reports Bird watching Birds--Counting Birds--Research Ornithology--Methodology 1980-03-01 1980-05-31
Field notes contributed by Carl Kurtz, winter 1979-1980 Field notes Reports Bird watching Birds--Research Ornithology--Methodology 1979-12-01 1980-02-28
Field notes contributed by Conrad F. Schlemmer, winter 1979-1980 Field notes Reports Bird watching Birds--Research Ornithology--Methodology Weather 1979-12-01 1980-02-28
Field notes contributed by Darwin Koenig, February 13, 1980 Field notes Reports Bird watching Birds--Research Accipitridae | Hawks and Eagles Ornithology--Methodology 1980-02-13 N/A
Field notes contributed by Dick Bierman, spring 1980 Field notes Reports Bird watching Birds--Counting Birds--Nests Birds--Research Ornithology--Methodology Turdidae | Thrushes 1980-03-01 1980-05-31
Field notes contributed by Fred K. Thompson, winter 1979-1980 Field notes Reports Bird watching Birds--Research Ornithology--Methodology 1979-12-01 1980-02-28
Field notes contributed by George E. Crossley, spring 1980 Field notes Reports Bird watching Birds--Research Ornithology--Methodology 1980-03-01 1980-05-31
Field notes contributed by Hank and Linda Zaletel, winter 1979-1980 Field notes Reports Bird watching Birds--Research Ornithology--Methodology 1979-12-01 1980-02-28
Field notes contributed by Hank and Linda Zaletel, February 26, 1980 Field notes Reports Bird watching Birds--Research Ornithology--Methodology 1980-02-26 N/A
Field notes contributed by John C. Robinson, February 25, 1980 Field notes Reports Bird watching Birds--Research Icteridae | Blackbirds, Orioles, Meadowlarks, and allies Anseriformes | Ducks, Geese, and Swans Accipitridae | Hawks and Eagles Ornithology--Methodology 1980-02-25 N/A
Field notes contributed by John Van Dyk, March 1, 1980 Field notes Reports Bird watching Birds--Research Ornithology--Methodology Weather 1980-03-01 N/A
Field notes contributed by Joseph M. Schaefer, winter 1979-1980 Field notes Reports Bird watching Birds--Research Ornithology--Methodology 1979-12-01 1980-02-28
Field notes contributed by Marion M. Brewer, May 31, 1980. Field notes Reports Bird watching Birds--Counting Birds--Research Ornithology--Methodology 1980-05-31 N/A
Bird Observations of Mike and Carol Newlon Field notes Bird watching Birds--Research Ornithology--Methodology Charadriiformes | Shore-birds, Gulls, and Auks N/A N/A
Field notes contributed by Peter C. Petersen, winter 1979-1980 Field notes Reports Bird watching Birds--Research Ornithology--Methodology 1979-12-01 1980-02-28
Field notes contributed by Raymond L. Cummins, spring 1980 Field notes Reports Bird watching Birds--Counting Birds--Research Tyrannidae | Flycatchers Podicipediformes | Grebes Laridae | Gulls and Terns Ornithology--Methodology Turdidae | Thrushes Parulidae | Warblers Troglodytidae | Wrens 1980-03-01 1980-05-31
Field notes contributed by Raymond L. Cummins, winter 1979-1980 Field notes Reports Bird watching Birds--Research Anseriformes | Ducks, Geese, and Swans Ornithology--Methodology 1979-12-01 1980-02-28