Title Genres Topics Date (Start) Date (End)
Mark Widrlechner letter to Boone County Bird Count Participants regarding the 1999 Christmas Bird Count results, January 9, 1999 Correspondence Field notes Bird surveys Bird watching Birds--Counting Ornithology--Methodology 1999-01-09 N/A
Martin L. Grant letter to Woodward H. Brown regarding comments concerning the field checking list of Iowa birds, December 16, 1962 Correspondence Bird watching Birds--Identification Birds--Nomenclature Ornithology--Methodology 1962-12-16 N/A
Philip A. DuMont letter to Martin L. Grant regarding suggestions to the "Check-list of Iowa Birds", December 7, 1962 Correspondence Bird watching Birds--Identification Birds--Nomenclature Birds--Research Ornithology--Methodology 1962-12-07 N/A
Checklist of Iowa birds Administrative reports Checklists Bird watching Birds--Identification Birds--Nomenclature Birds--Research Ornithology--Methodology 1962-01-01 1962-12-31
Suggestions for state bird list Administrative records Birds--Research Ornithology--Methodology 1952-04-21 N/A
Check-list of Iowa birds annotated by A. Lang Bailey Checklists Field notes Bird watching Birds--Identification Falconiformes | Hawks, Eagles, Falcons, Osprey, and Vultures Ornithology--Methodology Scolopacidae | Sandpipers, Phalaropes, and allies Parulidae | Warblers 1954-04-22 N/A
Iowa Distributional Check-list Administrative reports Checklists Bird watching Birds--Geographical distribution Birds--Identification Birds--Research Ornithology--Methodology 1954-01-01 1954-12-31
Tri-city Bird Club daily field card compiled by Peter C. Petersen and Dale Birkenholz, May 29, 1956 Checklists Bird watching Birds--Counting Birds--Identification Anseriformes | Ducks, Geese, and Swans Ornithology--Methodology Scolopacidae | Sandpipers, Phalaropes, and allies 1956-05-29 N/A
Check-list of Iowa Birds compiled by Dennis L. Carter, May 18, 1957 Checklists Field notes Bird watching Birds--Identification Icteridae | Blackbirds, Orioles, Meadowlarks, and allies Anseriformes | Ducks, Geese, and Swans Ornithology--Methodology Scolopacidae | Sandpipers, Phalaropes, and allies Hirundinidae | Swallows Parulidae | Warblers Piciformes | Woodpeckers and allies Emberizidae | Sparrows 1957-05-18 N/A
Bird List on Field Trip at Ledges State Park of Iowa Ornithologists' Union Field notes Bird watching Icteridae | Blackbirds, Orioles, Meadowlarks, and allies Tyrannidae | Flycatchers Falconiformes | Hawks, Eagles, Falcons, Osprey, and Vultures Ornithology--Methodology Hirundinidae | Swallows Turdidae | Thrushes Vireonidae | Vireos Parulidae | Warblers Emberizidae | Sparrows 1928-05-12 N/A
Iowa Ornithologists' Union daily field checking list Checklists Bird watching Birds--Identification Ornithology--Methodology Ornithology--Societies, etc N/A N/A
Iowa Ornithologists' Union check-list of Iowa birds Checklists Bird watching Birds--Identification Ornithology--Methodology Ornithology--Societies, etc N/A N/A
Check list of the birds of Story County, Iowa, 1970 Checklists Bird watching Birding sites Birds--Habitat Birds--Identification Birds--Migration Icteridae | Blackbirds, Orioles, Meadowlarks, and allies Anseriformes | Ducks, Geese, and Swans Tyrannidae | Flycatchers Laridae | Gulls and Terns Falconiformes | Hawks, Eagles, Falcons, Osprey, and Vultures Ciconiiformes | Herons, Bitterns, Egrets, Ibises, and Storks Ornithology--Methodology Scolopacidae | Sandpipers, Phalaropes, and allies Parulidae | Warblers Important bird areas Piciformes | Woodpeckers and allies Emberizidae | Sparrows 1970-03-01 1970-03-31
Documentation form for unusual bird sightings in Iowa, Ruff, Michael C. Dooley, June 28, 2002 Field notes Forms (documents) Bird watching Birds--Identification Ornithology--Methodology Rare birds 2002-06-28 N/A
Mark Widrlechner letter to Hank Zaletel regarding the Boone County Christmas Bird Count Correspondence Bird surveys Bird watching Birds--Counting Ornithology--Methodology 1996-01-01 1996-12-31
Common Iowa bird arrivals, migrations, and departures Tables (documents) Bird watching Birds--Migration Birds--Research Ornithology--Methodology N/A N/A
Female Summer Tanager - South edge of Mason City May 4+5, 1989 Correspondence Field notes Birds--Identification Ornithology--Methodology Rare birds 1989-05-04 1989-05-05
Documentation of a Black-headed Gull sighting, Peder H. Svingen, July 16, 2005 Field notes Bird watching Birds--Identification Ornithology--Methodology Rare birds 2005-07-16 N/A
List of contributors to the Iowa Ornithologists' Union quarterly field reports Checklists Bird watchers Ornithology--Methodology 2005-06-01 2005-07-31
Walter Rosene letter to the United States Bureau of Biological Survey regarding a 1924 bird migration report, February 7, 1925 Correspondence Bird watching Birds--Migration Birds--Research Ornithology--Methodology 1925-02-07 N/A
Walter Rosene letter to the United States Bureau of Biological Survey regarding a 1925 bird migration report, January 18, 1926 Correspondence Field notes Bird watching Birds--Migration Birds--Research Ornithology--Methodology Scolopacidae | Sandpipers, Phalaropes, and allies Vireonidae | Vireos Parulidae | Warblers Emberizidae | Sparrows 1926-01-18 N/A
Edward William Nelson letter to the bird migration observers of the Biological Survey regarding a change in reporting bird observations, March 2, 1925 Correspondence Instructions (document genre) Bird watching Birds--Migration Birds--Research Ornithology--Methodology 1925-03-02 N/A
Iowa Ornithologists' Union, Quarterly field report, spring 1995 Field notes Reports Bird watching Birds--Migration Birds--Research Ornithology--Methodology Weather 1995-03-01 1995-05-31
Documentation form for extraordinary bird sightings in Iowa, Ruff, Mark Proescholdt, July 28, 2002 Field notes Forms (documents) Bird watching Birds--Identification Ornithology--Methodology Rare birds 2002-07-28 N/A
Documentation form for extraordinary bird sightings in Iowa, Ruff, Jim Sinclair, July 28, 2002 Field notes Forms (documents) Bird watching Birds--Identification Ornithology--Methodology Rare birds 2002-07-28 N/A