Title Genres Topics Date (Start) Date (End)
Photograph of Wood Duck ducklings nesting among egg shells and nesting material Photographs Birds--Eggs Birds--Research Ducklings 1966-05-01 1966-05-31
Photograph of Wood Duck ducklings swimming Photographs Birds--Research 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 in a bucket Photographs Birds--Research Ducklings Wood duck--Behavior 1965-01-01 1965-12-31
Photograph of Wood Duck eggs and nesting material in a duck house Photographs Birds--Eggs Birds--Research Birdhouses 1966-01-01 1966-12-31
Photograph of Wood Duck eggs beginning to hatch Photographs Birds--Eggs Birds--Research 1966-05-01 1966-05-31
Photograph of Wood Duck eggs under down feathers Photographs Birds--Eggs Birds--Research Birdhouses Wood duck--Behavior 1966-01-01 1966-12-31
Photograph of Wood Duck houses in trees Photographs Birds--Research Birdhouses 1971-05-01 1971-05-31
Photograph of Wood Duck houses in trees Photographs Birds--Research Birdhouses 1965-01-01 1965-12-31
Polk County check-list of the observations of members of the Des Moines Audubon Society Checklists Field notes Maps (documents) Bird watching Birds--Migration Birds--Research 1973-11-01 1973-11-30
Questionnaire for a new birds of Iowa, Althea Sherman Checklists Questionnaires Research notes Birds--Geographical distribution Birds--Nests Birds--Research Rare birds N/A N/A
Questionnaire for a new birds of Iowa, Bernt Wolden Checklists Questionnaires Research notes Birds--Geographical distribution Birds--Nests Birds--Research Rare birds N/A N/A
Questionnaire for a new birds of Iowa, Charles Spiker Checklists Questionnaires Research notes Birds--Geographical distribution Birds--Nests Birds--Research Rare birds N/A N/A
Questionnaire for a new birds of Iowa, Edgar Harlan Checklists Questionnaires Research notes Birds--Geographical distribution Birds--Nests Birds--Research Rare birds N/A N/A
Questionnaire for a new birds of Iowa, Emil Nauman Checklists Questionnaires Research notes Birds--Geographical distribution Birds--Nests Birds--Research Rare birds N/A N/A
Questionnaire for a new birds of Iowa, Francis Roberts Checklists Questionnaires Research notes Birds--Geographical distribution Birds--Nests Birds--Research Rare birds N/A N/A
Questionnaire for a new birds of Iowa, George Hendrickson Checklists Questionnaires Research notes Birds--Geographical distribution Birds--Nests Birds--Research Rare birds N/A N/A
Questionnaire for a new birds of Iowa, Oscar Allert Checklists Questionnaires Research notes Birds--Geographical distribution Birds--Nests Birds--Research Rare birds N/A N/A
Questionnaire for a new birds of Iowa, Sanderson, Schuenke, Bullock Checklists Questionnaires Research notes Birds--Geographical distribution Birds--Nests Birds--Research Rare birds N/A N/A
Questionnaire for a new birds of Iowa, Walter Rosene Checklists Questionnaires Research notes Birds--Geographical distribution Birds--Nests Birds--Research Rare birds N/A N/A
Questionnaire for a new birds of Iowa, William Youngworth Checklists Questionnaires Research notes Birds--Geographical distribution Birds--Nests Birds--Research Rare birds N/A N/A
R. Craig Hensley letter to Thomas H. Kent regarding field reports , July 28, 1982 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology 1982-07-28 N/A
R. Craig Hensley letter to Thomas H. Kent regarding possible bird sightings and attached field notes, August 11, 1982 Correspondence Field notes Bird watching Birds--Identification Birds--Research Ornithology--Methodology Rare birds 1982-08-11 N/A
Rare bird records reviewed by the records committee of the Iowa Ornithologists' Union Administrative records Birds--Identification Birds--Research Ornithology--Methodology Ornithology--Societies, etc Rare birds 2002-06-16 N/A
Records Committee review for rare bird sighting for White-faced Ibis at Dan Green Slough in 1977 Administrative records Clippings (information artifacts) Field notes Birds--Identification Birds--Research Rare birds 1977-05-18 1993-08-26