Title Genres Topics Date (Start) Date (End)
Iowa Ornithologists' Union, Quarterly field report, Fall 1985 Field notes Bird watching Birds--Research Ornithology--Methodology Weather 1985-08-01 1985-11-30
Letter to W. Ross Silcock regarding data tables for the Christmas bird count report, February 5, 1987 Correspondence Field notes Tables (documents) Bird watching Birds--Counting Birds--Research Ornithology--Methodology 1987-02-05 N/A
Christmas bird count data table, 1986 Tables (documents) Birds--Counting Birds--Research Ornithology--Methodology Weather 1986-12-01 1987-02-28
Christmas bird count data tables, 1986 Tables (documents) Birds--Counting Birds--Research Ornithology--Methodology Weather 1986-12-01 1987-02-28
Iowa Ornithologists' Union, Quarterly field report, winter 1986-1987 Field notes Bird watching Birds--Counting Birds--Research Laridae | Gulls and Terns Ornithology--Methodology Water birds Weather 1986-12-01 1987-02-28
James J. Dinsmore letter to field report contributors regarding field reports, August 18, 1986 Correspondence Bird watching Birds--Research 1986-08-18 N/A
Bruce G. Peterjohn letter to James J. Dinsmore regarding bird reports, August 17, 1986 Correspondence Field notes Birds--Research Photography of birds 1986-08-17 N/A
Iowa Ornithologists' Union, Quarterly field report, Spring 1986 Field notes Bird watching Birds--Migration Birds--Research Ornithology--Methodology Charadriiformes | Shore-birds, Gulls, and Auks Parulidae | Warblers Weather 1986-03-01 1986-05-31
Field reports of Iowa birds Field notes Bird watching Birds--Research Ornithology--Methodology 1985-12-12 N/A
Field reports of Iowa birds Field notes Bird watching Birds--Research Ornithology--Methodology 1985-12-06 N/A
Field reports of Iowa birds Field notes Bird watching Birds--Research Ornithology--Methodology 1985-12-07 N/A
Field reports of Iowa birds Field notes Bird watching Birds--Research Ornithology--Methodology 1985-12-07 N/A
Field reports of Iowa birds Field notes Bird watching Birds--Research Ornithology--Methodology 1985-12-12 N/A
Photograph of a mother Wood Duck in a duck house Photographs Birds--Habitat Birds--Research Birdhouses Wood duck--Behavior 1971-07-01 1971-07-31
Memo for Iowa Ornithologists' visitors, May 17 Lecture notes Bird watchers Birds--Research Ornithology--Methodology Birdhouses 1970-05-17 N/A
Nesting Wood Duck study (35 Years) Reports Tables (documents) Birds--Eggs Birds--Nests Birds--Research Ornithology--Methodology Birdhouses Predatory animals Waterfowl management Eggs--Incubation Ducks--Counting Ducklings Wood duck--Behavior 1984-01-01 1984-12-31
Wood Duck nesting records, volume three, 1967-1978 Clippings (information artifacts) Correspondence Printed ephemera Field notes Birds--Eggs Birds--Nests Birds--Research Ornithology--Methodology Birdhouses Eggs--Incubation Ducks--Counting Ducklings Wood duck--Behavior 1967-01-01 1978-12-31
Wood Duck nesting records, volume two, 1954-1966 Clippings (information artifacts) Correspondence Field notes Birds--Nests Birds--Research Ornithology--Methodology Birdhouses Eggs--Incubation Ducks--Counting Ducklings Wood duck--Behavior 1954-01-01 1966-12-31
Wood Duck nesting records, volume one, 1939-1953 Clippings (information artifacts) Field notes Birds--Nests Birds--Research Ornithology--Methodology Birdhouses Eggs--Incubation Ducks--Counting Ducklings Wood duck--Behavior 1939-01-01 1953-12-31
Photograph of five hatching Wood Duck eggs Photographs Birds--Eggs Birds--Research 1971-06-01 N/A
Photograph of a snake in a Wood Duck house Photographs Birds--Research Birdhouses Predatory animals 1965-01-01 1965-12-31
Photograph of Wood Duck houses in trees Photographs Birds--Research Birdhouses 1971-05-01 1971-05-31
Photograph of a Wood Duck duckling diving from a duck house Photographs Birds--Research Birdhouses Ducklings Wood duck--Behavior 1971-07-01 1971-07-31
Photograph of a Wood Duck duckling in a duck house Photographs Birds--Research Birdhouses Ducklings Wood duck--Behavior 1971-07-01 1971-07-31
Photograph of a mother Wood Duck diving from a duck house Photographs Birds--Habitat Birds--Research Birdhouses Wood duck--Behavior 1971-07-01 1971-07-31