Title Genres Topics Date (Start) Date (End)
Letter and bird sighting checklist from Robert and Valerie Jessen to Vernon M. Kleen, spring migration 1974 Checklists Correspondence Field notes Bird banding Bird populations Bird watching Birds--Behavior Birds--Nests Falconiformes | Hawks, Eagles, Falcons, Osprey, and Vultures 1974-03-01 1974-05-31
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
Iowa Ornithologists' Union, Quarterly field report, fall 1976 Field notes Bird populations Bird watching Birds--Migration Birds--Research 1976-08-01 1976-11-30
Dean Mosman letter to Nicholas S. Halmi regarding fall migration, 1976 Correspondence Field notes Bird banding Bird populations Bird watching Radio and television tower bird strikes Parulidae | Warblers 1976-08-01 1976-11-30
Field notes fall migration, 1976 Field notes Bird populations Bird watching Birds--Habitat 1976-08-01 1976-11-30
Iowa Ornithologists' Union, Quarterly field report, winter 1976-1977 Correspondence Field notes Bird populations Bird watching Birds--Research Winter 1976-12-01 1977-02-28
Field reports for Des Moines winter, 1976-1977 contributed by Woodward H. Brown Field notes Bird populations Bird watching Birds--Research 1976-12-01 1977-02-28
Darwin Koenig letter to Nicholas S. Halmi regarding bird sightings, winter 1976-1977 Correspondence Field notes Bird populations Bird watching 1976-12-01 1977-02-28
Field records: April 4 through May 30, 1977 Field notes Bird populations Bird watching Charadriiformes | Shore-birds, Gulls, and Auks Parulidae | Warblers 1977-04-04 1977-05-30
1977 Spring Report, parts I and II Field notes Bird declines Bird populations Bird watching Birds--Migration 1977-03-01 1977-05-31
Field report for Spring, April 1 to May 31, 1977 Field notes Bird declines Bird populations Bird watching Habitat (Ecology) 1977-03-01 1977-05-31
Field report from Dubuque, June 1977 Field notes Bird populations Bird watching 1977-06-01 1977-06-30
Iowa map with Snowy Owl sightings, 1976-1977 Field notes Maps (documents) Bird populations Bird watching Birds--Counting Birds--Research 1977-01-01 1977-12-31
Field report, summer 1978 Field notes Bird populations Bird watching Birds--Counting 1978-06-01 1978-07-31
1978 fall report Field notes Bird populations Bird watching Birds--Counting Birds--Migration Parulidae | Warblers 0198-08-01 1978-11-30
1978 Iowa Christmas bird count summary Field notes Reports Bird populations Bird watching Birds--Counting Birds--Research 1978-12-01 1979-02-28
Bird sighting checklist, fall 1979 Checklists Field notes Bird populations Bird watching Birds--Identification 1979-08-01 1979-11-30
Christmas count, 1980-81 Field notes Reports Bird populations Bird surveys Bird watching Birds--Counting Birds--Identification Winter Citizen science 1980-12-20 1981-01-04
Field notes contributed by Dean Mosman, winter 1982-1983 Field notes Reports Bird declines Bird populations Bird watching Weather 1982-12-01 1983-02-28
Field notes contributed by John Van Dyk, winter 1982-1983 Field notes Reports Bird declines Bird populations Bird watching Birds--Research Anseriformes | Ducks, Geese, and Swans Accipitridae | Hawks and Eagles Galliformes | Quails, Pheasants, Turkeys, and Grouse Weather 1982-12-01 1983-02-28
Field notes contributed by Paul Martsching, spring 1983 Field notes Reports Bird populations Bird watching Birds--Counting Birds--Research Anseriformes | Ducks, Geese, and Swans Laridae | Gulls and Terns Sylviidae | Kinglets and Gnatcatchers Ornithology--Methodology Scolopacidae | Sandpipers, Phalaropes, and allies Fringillidae | Finches Vireonidae | Vireos Parulidae | Warblers Emberizidae | Sparrows 1983-03-01 1983-05-31
Field reports form for submitting seasonal observations of Iowa birds, James P. Sandrock, spring 1983 Field notes Forms (documents) Reports Bird declines Bird populations Bird watching Birds--Counting Tyrannidae | Flycatchers Ciconiiformes | Herons, Bitterns, Egrets, Ibises, and Storks Scolopacidae | Sandpipers, Phalaropes, and allies Fringillidae | Finches Hirundinidae | Swallows Turdidae | Thrushes Vireonidae | Vireos Parulidae | Warblers 1983-03-01 1983-05-31
Field notes contributed by John Van Dyk, spring 1983 Field notes Reports Bird feeders Bird populations Bird watching Birds--Migration Birds--Research Anseriformes | Ducks, Geese, and Swans Accipitridae | Hawks and Eagles Ciconiiformes | Herons, Bitterns, Egrets, Ibises, and Storks Ornithology--Methodology Charadriiformes | Shore-birds, Gulls, and Auks Vireonidae | Vireos Parulidae | Warblers Weather Emberizidae | Sparrows 1983-03-01 1983-05-31
Field reports form, contributed by Rita E. Efta, fall 1986 Field notes Forms (documents) Bird populations Bird watching Birds--Nests 1986-08-01 1986-11-30
Field notes contributed by Tanya Bray, summer 1987 Field notes Forms (documents) Reports Bird populations Bird watching Birds--Counting 1987-06-01 1987-07-31