Title Genres Topics Date (Start) Date (End)
1984 & 1985 results: Illinois heron colony surveys Field notes Reports Surveys (documents) Bird surveys Birds--Counting Ciconiiformes | Herons, Bitterns, Egrets, Ibises, and Storks 1985-08-01 1985-11-30
The One hundred most common birds of Polk County, Iowa Reports Theses Bird surveys Birds--Identification Ornithology--Methodology 1926-06-04 N/A
Report to Wood Duck observers with attached mailing list, September 13, 1963 Reports Bird surveys Bird watchers Birds--Nests Birds--Research Ornithology--Methodology Birdhouses--Design and construction Ducks--Counting 1963-09-13 N/A
Winter Raptor survey, 1977 Field notes Maps (documents) Reports Bird surveys Bird watching Birds of prey Birds--Research Ornithology--Methodology 1977-12-01 1977-12-31
Christmas census, Des Moines Audubon Society, December 26, 1925 Field notes Reports Drafts (documents) Bird surveys Bird watching Birds--Counting Weather 1925-12-26 N/A
Letter to I.T. Bode regarding Waterfowl conditions that might affect Iowa, January 3, 1934 Correspondence Reports Bird surveys Birds--Counting Fowling Water levels Waterfowl 1934-01-03 N/A
Comparison of Duck situation in Iowa in 1933 and 1934 Reports Bird surveys Birds--Habitat Rallidae | Rails Ducks--Counting Water levels 1933-01-01 1934-12-31
Summary of the Iowa Breeding Bird Atlas and highlights of the Federal Species of Management Concern, March 1, 1992 Administrative reports Maps (documents) Bird populations Bird surveys Environmental monitoring 1992-03-01 N/A
Birds of Polk County Iowa Reports Publications (documents) Bird surveys Ornithology--Bibliography Ornithology--Methodology 1931-10-01 1931-10-31
Present distribution of Starlings in Iowa Reports Bird surveys Birds--Counting Birds--Geographical distribution Introduced birds N/A N/A
The Iowa Breeding Bird Atlas Project Administrative reports Maps (documents) Bird populations Bird surveys Ornithology--Methodology Environmental monitoring Publishers and publishing N/A N/A
Christmas count, 1980-81 Field notes Reports Bird populations Bird surveys Bird watching Birds--Counting Birds--Identification Winter Citizen science 1980-12-20 1981-01-04
Smith's Longspur survey results contributed by Barbara L. Wilson, spring 1983 Field notes Reports Surveys (documents) Bird surveys Bird watching Birds--Identification Birds--Research Ornithology--Methodology 1983-03-01 1983-05-31
Piping Plover sightings at IPL settling ponds in 1983 Field notes Reports Bird surveys Bird watching Birds--Counting Birds--Habitat Birds--Nests Ornithology--Bibliography 1983-06-01 1983-07-31
Iowa Ornithologists' Union programs Administrative reports Bird populations Bird surveys Birds--Research Ornithology--Methodology N/A N/A