Title Genres Topics Date (Start) Date (End)
Field notes contributed by Hank Zaletel, fall 1981 Field notes Bird watching Birds--Research Nocturnal birds Ornithology--Methodology Fringillidae | Finches 1981-08-01 1981-11-30
Barbara L. Wilson letter to Thomas H. Kent and field notes, fall 1981 Correspondence Field notes Bird watching Birds--Migration Birds--Nests Birds--Research Tyrannidae | Flycatchers Ornithology--Methodology Parulidae | Warblers Weather 1981-08-01 1981-11-30
Field notes contributed by Robert E. Thornburg, fall 1981 Field notes Bird watching Birds--Research Laridae | Gulls and Terns Ornithology--Methodology 1981-08-01 1981-11-30
Field notes contributed by Conrad F. Schlemmer, fall 1981 Field notes Bird watching Birds--Migration Birds--Research Ornithology--Methodology Fringillidae | Finches 1981-08-01 1981-11-30
Field notes contributed by James P. Sandrock, fall 1981 Field notes Bird watching Birds--Research Ornithology--Methodology Parulidae | Warblers 1981-08-01 1981-11-30
Field notes with additional documentation contributed by Peter C. Petersen, fall 1981 Correspondence Field notes Bird banding Bird watching Birds--Research Anseriformes | Ducks, Geese, and Swans Tyrannidae | Flycatchers Ornithology--Methodology Parulidae | Warblers 1981-08-01 1981-11-30
Field notes contributed by Dean Mosman, fall 1981 Field notes Bird watching Birds--Research Accipitridae | Hawks and Eagles Ornithology--Methodology 1981-08-01 1981-11-30
Field notes contributed by Francis L. Moore, fall 1981 Field notes Bird watching Birds--Research Laridae | Gulls and Terns Ornithology--Methodology Scolopacidae | Sandpipers, Phalaropes, and allies Parulidae | Warblers 1981-08-01 1981-11-30
Iowa Ornithologists' Union, Quarterly field report, summer 1981 Field notes Bird watching Birds--Counting Birds--Nests Birds--Research Ornithology--Methodology Rare birds 1981-06-01 1981-07-31
Field notes contributed by Dick Bierman, summer 1981 Field notes Reports Bird watching Birds--Counting Birds--Nests Birds--Research Ornithology--Methodology 1981-06-01 1981-07-31
Field notes contributed by Tanya Bray, summer 1981 Field notes Reports Bird watching Birds--Counting Birds--Research Ornithology--Methodology 1981-06-01 1981-07-31
Field notes contributed by Hank Zaletel, summer 1981 Field notes Reports Bird watching Birds--Counting Birds--Research Ornithology--Methodology Emberizidae | Sparrows 1981-06-01 1981-07-31
Field notes contributed by René Laubach, summer 1981 Field notes Reports Bird watching Birds--Research Ornithology--Methodology 1981-06-01 1981-07-31
Field notes contributed by Paul Martsching, summer 1981 Field notes Reports Bird watching Birds--Counting Birds--Research Ornithology--Methodology 1981-06-01 1981-07-31
Field notes contributed by Robert E. Thornburg, summer 1981 Field notes Reports Bird watching Birds--Counting Birds--Research Ornithology--Methodology 1981-06-01 1981-07-31
Field notes contributed by James J. Dinsmore, summer 1981 Field notes Reports Bird watching Birds--Nests Birds--Research Ornithology--Methodology 1981-06-01 1981-07-30
Iowa Ornithologists' Union, Quarterly field report, spring 1981 Field notes Reports Bird watching Birds--Research Ornithology--Methodology Charadriiformes | Shore-birds, Gulls, and Auks Parulidae | Warblers 1981-03-01 1981-05-31
Field notes contributed by Thomas K. Shires, summer 1980 Field notes Bird watching Birds--Counting Birdsongs Birds--Research Parulidae | Warblers 1980-06-01 1980-07-31
Field notes contributed by Peter C. Petersen, summer 1980 Field notes Forms (documents) Bird watching Birds--Counting Birds--Research 1980-06-01 1980-07-31
Field notes contributed by Rich DeCoster, summer 1980 Field notes Bird watching Birds--Counting Birdsongs Birds--Research Charadriiformes | Shore-birds, Gulls, and Auks 1980-06-01 1980-07-31
Iowa Ornithologists' Union, Quarterly field report, spring 1980 Field notes Bird watching Birds--Counting Birds--Research Ornithology--Methodology Weather 1980-03-01 1980-05-31
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 Tanya Bray, spring 1980 Correspondence Field notes Bird watching Birds--Counting Birds--Research Anseriformes | Ducks, Geese, and Swans Laridae | Gulls and Terns Accipitridae | Hawks and Eagles Ornithology--Methodology Scolopacidae | Sandpipers, Phalaropes, and allies Fringillidae | Finches Vireonidae | Vireos Parulidae | Warblers Weather 1980-03-01 1980-05-31
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 Carl J. Bendorf, spring 1980 Field notes Reports Bird watching Birds--Counting Birds--Research Ornithology--Methodology 1980-03-01 1980-05-31