Title Genres Topics Date (Start) Date (End)
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
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
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
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
Field reports, summer 1977 Field notes Bird watching Birds--Research 1977-06-01 1977-07-31