Title Genres Topics Date (Start) Date (End)
Peter C. Petersen letter and checklist to Nicholas S. Halmi regarding fall migration, 1976 Correspondence Field notes Bird banding Bird watching Birds--Research Trapping 1976-12-05 N/A
Gladys Black letter to Nicholas S. Halmi regarding fall migration, 1976 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology Trapping 1976-12-10 N/A
1977 Iowa Christmas bird count summary Field notes Bird watching Birds--Counting Birds--Research 1977-01-01 1977-12-31
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
Gladys Black letter to Vernon M. Kleen regarding bird sightings, January 10, 1977 Correspondence Field notes Maps (documents) Bird declines Bird watching Birds--Counting Birds--Research Ornithology--Methodology 1977-01-10 N/A
Gladys Black letter to Nicholas S. Halmi regarding fall migration, 1976 Correspondence Field notes Bird watching Birds--Migration Birds--Research 1977-01-17 N/A
Gladys Black letter to Nicholas S. Halmi regarding bird sightings, January 8, 1977 Correspondence Field notes Bird watching Birds--Behavior Birds--Research Wit and humor Birds--Feeding and feeds 1977-01-18 N/A
Gladys Black letter to Nicholas S. Halmi regarding bird sightings, January 21, 1977 Correspondence Field notes Bird surveys Bird watching Birds--Identification Birds--Nests Birds--Research Turdidae | Thrushes 1977-01-21 N/A
Gladys Black letter to Nicholas S. Halmi regarding Snowy Owl count, February 1, 1977 Correspondence Field notes Bird populations Bird watching Birds--Counting Birds--Research 1977-02-01 N/A
Marie Carlson letter to Nicholas S. Halmi regarding bird sightings, February 9, 1977 Correspondence Field notes Bird declines Bird populations Bird watching Birds--Research Ornithology--Methodology 1977-02-09 N/A
Winter bird count from reports across the state contributed by Gladys Black, February 9, 1977 Correspondence Field notes Bird watching Birds--Counting Birds--Research 1977-02-09 N/A
Gladys Black letter to Nicholas S. Halmi regarding sightings, February 14, 1977 Correspondence Field notes Bird populations Bird watching Birds--Counting Birds--Research 1977-02-14 N/A
Bird sightings contributed by Rich DeCoster, February 15, 1977 Field notes Bird watching Birds--Counting Birds--Research 1977-02-15 N/A
Ione Getscher letter to Nicholas S. Halmi regarding bird sightings, February 15, 1977 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology 1977-02-15 N/A
Gladys Black letter to Nicholas S. Halmi regarding sightings of Snowy Owls and a Goshawk, February 25, 1977 Correspondence Field notes Bird watching Birds--Counting Birds--Research Ornithology--Methodology 1977-02-25 N/A
Gladys Black letter to Nicholas S. Halmi regarding bird counts of Snowy Owl and Northern Shrike, February 28, 1977 Correspondence Field notes Bird watching Birds--Counting Birds--Research Ornithology--Methodology Weather 1977-02-28 N/A
Bird sightings checklist, spring 1977 Checklists Field notes Bird watching Birds--Research Ornithology--Methodology 1977-03-01 1977-05-31
Iowa Ornithologists' Union, Quarterly field report, spring 1977 Field notes Bird watching Birds--Research Ornithology--Methodology 1977-03-01 1977-05-31
Gladys Black letter to Vernon M. Kleen regarding Snowy Owl counts, March 5, 1977 Correspondence Field notes Maps (documents) Bird watching Birds--Counting Birds--Research Ornithology--Methodology 1977-03-05 N/A
Iowa Ornithologists' Union, field report compiled data, American Coot, 1977-1983 Field notes Bird watching Birds--Counting Birds--Research 1977-03-05 1983-12-12
Gladys Black letter to Nicholas S. Halmi regarding bird sighting reports, March 24, 1977 Correspondence Field notes Bird watching Birds--Research Anseriformes | Ducks, Geese, and Swans Ornithology--Methodology 1977-03-24 N/A
Iowa Ornithologists' Union, field report compiled data, Tree Swallow, 1977-1983 Field notes Bird watching Birds--Counting Birds--Research 1977-03-25 1983-05-01
Gladys Black letter to Nicholas S. Halmi regarding bird sightings, April 5, 1977 Correspondence Field notes Bird watching Birds--Research Hunting--Moral and ethical aspects 1977-04-05 N/A
Iowa Ornithologists' Union, field report compiled data, Bobolink, 1977-1983 Field notes Bird watching Birds--Counting Birds--Nests Birds--Research Birds--Infancy 1977-04-29 1983-07-31
Photograph of Wood Duck ducklings in a duck house Photographs Birds--Research Birdhouses Ducklings Wood duck--Behavior 1977-05-01 1977-05-31