Title Genres Topics Date (Start) Date (End)
Clarence Cottam letter to Walter Rosene regarding the analysis and contents of Long-eared Owl pellets, May 28, 1936 Correspondence Reports Birds--Research Ornithology--Methodology Bird droppings 1936-05-28 N/A
Great Horned Owl nesting study and research notes Reports Research notes Essays Bird banding Birds--Eggs Birds--Food Birds--Nests Birds--Research Ornithology--Methodology Birds--Infancy Eggs--Incubation 1933-02-26 1939-12-31
Iowa Ornithologists' Union, Quarterly field report, spring 1998 Field notes Reports Bird watching Birds--Migration Birds--Research Ornithology--Methodology Charadriiformes | Shore-birds, Gulls, and Auks Parulidae | Warblers Weather Waterfowl 1998-03-01 1998-05-31
Field reports form for submitting seasonal observations of Iowa birds, Francis L. Moore, spring 1983 Field notes Forms (documents) Reports Bird watching Birds--Counting Birds--Eggs Birds--Identification Birds--Nests Birdsongs Birds--Research Ornithology--Methodology Parulidae | Warblers 1983-03-01 1983-05-31
Field notes contributed by Ronald Harms, winter 1982-1983 Correspondence Field notes Reports Bird watching Birds--Counting Birds--Research Ornithology--Methodology 1982-12-01 1983-02-28
Iowa field report data, fall 1997, December 9, 1997 Field notes Reports Bird watching Birds--Counting Birds--Research Anseriformes | Ducks, Geese, and Swans Podicipediformes | Grebes Laridae | Gulls and Terns Accipitridae | Hawks and Eagles Ciconiiformes | Herons, Bitterns, Egrets, Ibises, and Storks Ornithology--Methodology Charadriidae | Plovers Scolopacidae | Sandpipers, Phalaropes, and allies Charadriiformes | Shore-birds, Gulls, and Auks Strigiformes | Owls 1997-12-09 N/A
Hawk watch field notes contributed by Beth Proescholdt, fall 1993 Field notes Reports Bird watching Birds--Counting Ornithology--Methodology 1993-08-01 1993-11-30
Field reports, Iowa, fall 1993, December 12, 1993 Field notes Reports Bird watching Birds--Counting Anseriformes | Ducks, Geese, and Swans Podicipediformes | Grebes Laridae | Gulls and Terns Falconiformes | Hawks, Eagles, Falcons, Osprey, and Vultures Ornithology--Methodology Parulidae | Warblers Strigiformes | Owls Emberizidae | Sparrows 1993-12-12 N/A
Autumn Hawk reports contributed by Beth Proescholdt, fall 1997 Field notes Reports Bird watching Birds--Counting Birds--Identification Ornithology--Methodology 1997-08-01 1997-11-30
Field notes contributed by Peter C. Petersen, winter 1982-1983 Field notes Reports Bird watching Birds--Research Anseriformes | Ducks, Geese, and Swans Laridae | Gulls and Terns Ornithology--Methodology 1982-12-01 1983-02-28
Field reports form for submitting seasonal observations of Iowa birds, Thomas H. Kent, winter 1982-1983 Field notes Reports Bird watching Birds--Counting Birds--Identification Birds--Research Anseriformes | Ducks, Geese, and Swans Laridae | Gulls and Terns Ornithology--Methodology 1982-12-01 1983-02-28
Field notes contributed by James J. Dinsmore, winter 1982-1983 Field notes Reports Bird watching Birds--Research Ornithology--Methodology Fringillidae | Finches Water birds 1982-12-01 1983-02-28
Field notes contributed by Marion M. Brewer, winter 1982-1983 Field notes Reports Bird watching Birds--Counting Birds--Research Ornithology--Methodology 1982-12-01 1983-02-28
Iowa Ornithologists' Union, Quarterly field report, spring 1995 Field notes Reports Bird watching Birds--Migration Birds--Research Ornithology--Methodology Weather 1995-03-01 1995-05-31
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
Iowa Distributional Check-list Administrative reports Checklists Bird watching Birds--Geographical distribution Birds--Identification Birds--Research Ornithology--Methodology 1954-01-01 1954-12-31
Checklist of Iowa birds Administrative reports Checklists Bird watching Birds--Identification Birds--Nomenclature Birds--Research Ornithology--Methodology 1962-01-01 1962-12-31
Iowa Ornithologists' Union, Quarterly field report, fall 1994 Field notes Reports Bird watching Birds--Research Ornithology--Methodology Rare birds Weather 1994-08-01 1994-11-30
Field reports data - fall 1992, December 11, 1992 Field notes Reports Bird watching Birds--Counting Anseriformes | Ducks, Geese, and Swans Tyrannidae | Flycatchers Podicipediformes | Grebes Laridae | Gulls and Terns Falconiformes | Hawks, Eagles, Falcons, Osprey, and Vultures Gaviiformes | Loons Ornithology--Methodology Charadriidae | Plovers Scolopacidae | Sandpipers, Phalaropes, and allies Hirundinidae | Swallows Parulidae | Warblers Troglodytidae | Wrens Strigiformes | Owls Emberizidae | Sparrows 1992-12-11 N/A
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 George E. Crossley, spring 1980 Field notes Reports Bird watching Birds--Research Ornithology--Methodology 1980-03-01 1980-05-31
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
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
The Iowa Breeding Bird Atlas Project Administrative reports Maps (documents) Bird populations Bird surveys Ornithology--Methodology Environmental monitoring Publishers and publishing N/A N/A
Birds of Polk County Iowa Reports Publications (documents) Bird surveys Ornithology--Bibliography Ornithology--Methodology 1931-10-01 1931-10-31