Title Genres Topics Date (Start) Date (End)
Council Bluffs, Iowa spring 1975 migration report Field notes Bird watching Birds--Migration Birds--Research Ornithology--Methodology 1975-03-01 1975-05-31
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
Bird sighting list from Melba Wigg Field notes Bird watching Birds--Research 1976-03-01 1976-05-31
Letter from Richard DeCoster to Iowa Ornithologists' Union regarding bird sightings from June 1 to July 31, 1976 Correspondence Field notes Bird watching Birds--Research Accipitridae | Hawks and Eagles Ornithology--Methodology Charadriiformes | Shore-birds, Gulls, and Auks Parulidae | Warblers 1976-06-01 1976-07-31
Lake Red Rock & Refuge & Pleasantville, summer 1976 Field notes Bird watching Birds--Research 1976-06-01 1976-07-31
Iowa Ornithologists' Union, Quarterly field report, summer 1976 Field notes Bird watching Birds--Research Ornithology--Methodology 1976-08-01 1976-08-31
Iowa Ornithologists' Union, Quarterly field report, fall 1976 Field notes Bird populations Bird watching Birds--Migration Birds--Research 1976-08-01 1976-11-30
Red Rock fall migration, 1976 Field notes Bird watching Birds--Research Ornithology--Methodology 1976-08-01 1976-11-30
Fall season Polk County migration, fall 1976 Field notes Bird watching Birds--Migration Birds--Research 1976-08-01 1976-11-30
Report for "American Birds" Midwestern Prarie Region: 1 August - 30 November 1976 Field notes Bird watching Birds--Research 1976-08-01 1976-11-30
Iowa Snowy Owls, 1976-1977 contributed by Gladys Black Field notes Maps (documents) Bird watching Birds--Counting Birds--Research Ornithology--Methodology 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
Gladys Black letter to Nicholas S. Halmi regarding bird sightings and Iowa Northern Shrikes checklist, February 8, 1977 Checklists Correspondence Field notes Bird watching Birds--Counting Birds--Research Ornithology--Methodology 1976-12-01 1977-02-28
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
Iowa Ornithologists' Union, Quarterly field report, spring 1977 Field notes Bird watching Birds--Research Ornithology--Methodology 1977-03-01 1977-05-31
Bird sightings checklist, spring 1977 Checklists Field notes Bird watching Birds--Research Ornithology--Methodology 1977-03-01 1977-05-31
Photograph of Wood Duck ducklings in a duck house Photographs Birds--Research Birdhouses Ducklings Wood duck--Behavior 1977-05-01 1977-05-31
Iowa foray 1977, Washington Township, Fremont County, June 3-7, annotated list of birds Field notes Bird watching Birds--Research 1977-06-03 1977-06-07
Photograph of mother Wood Duck and ducklings inside a duck house Photographs Birds--Research Birdhouses Ducklings Wood duck--Behavior 1971-06-01 1977-06-30
Photograph of Wood Duck ducklings swimming among plants in water Photographs Birds--Research Ducklings Wood duck--Behavior 1977-06-01 1977-06-30
Photograph of Wood Duck ducklings swimming Photographs Birds--Research Ducklings Wood duck--Behavior 1971-06-01 1977-06-30
Iowa Ornithologists' Union, Quarterly field report, summer 1977 Field notes Bird watching Birds--Research 1977-06-01 1977-07-31
Iowa Ornithologists' Union field check list, Betty Walters, summer 1977 Checklists Field notes Bird watching Birds--Research 1977-06-01 1977-07-31
Bird sightings checklist, summer 1977 Checklists Field notes Bird watching Birds--Research 1977-06-01 1977-07-31
Summer bird report, 1977 Field notes Bird watching Birds--Research 1977-06-01 1977-07-31