Title Genres Topics Date (Start) Date (End)
Iowa Ornithologists' Union, Quarterly field report, fall 1981 Field notes Bird watching Weather 1981-08-01 1981-11-30
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
Field notes contributed by René Laubach, fall 1981 Field notes Bird banding Bird watching Birds--Nests Parulidae | Warblers 1981-08-01 1981-11-30
Field notes contributed by Thomas H. Kent with verifying documentation, fall 1981 Field notes Bird watching Birds--Identification Birds--Research Ornithology--Methodology 1981-08-01 1981-11-30
Field notes contributed by Richard Jule Holllis with verifying documentation, fall 1981 Field notes Bird watching Birds--Behavior Birds--Identification Birds--Research Ornithology--Methodology Rare birds 1981-08-01 1981-11-30
Virginia Crocker letter to Gladys Black regarding the sighting of a Varied Thrush at Storm Lake, November 21, 1981 Correspondence Field notes Bird watching Birds--Behavior Birds--Identification Rare birds 1981-11-20 1981-11-21
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 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 Babs Padelford and Loren Padelford, summer 1981 Field notes Reports Bird watching Birds--Counting Ornithology--Methodology Research 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 René Laubach, summer 1981 Field notes Reports Bird watching 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 Dick Bierman, summer 1981 Field notes Reports Bird watching Birds--Counting Birds--Nests Birds--Research Ornithology--Methodology 1981-06-01 1981-07-31
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 James J. Dinsmore, summer 1981 Field notes Reports Bird watching Birds--Nests Birds--Research Ornithology--Methodology 1981-06-01 1981-07-30
Annotated bird sighting list for spring 1981 compiled by Thomas Kent Field notes Surveys (documents) Bird watching Birds of prey Charadriiformes | Shore-birds, Gulls, and Auks Parulidae | Warblers Troglodytidae | Wrens 1981-03-01 1981-05-31
Annotated bird sighting list for spring 1981 compiled by Gordon Brown Field notes Surveys (documents) Bird watching Passeriformes | Perching-birds and songbirds Charadriiformes | Shore-birds, Gulls, and Auks Spring Water birds Citizen science 1981-03-01 1981-05-31
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