Title Genres Topics Date (Start) Date (End)
Bery Engebretsen letter to James J. Dinsmore regarding bird sightings, August 2, 1991 Correspondence Field notes Bird watching Birds--Nests Birdsongs Weather 1991-08-02 N/A
Field notes contributed by Dennis L. Carter, August 2, 1993 Field notes Reports Bird populations Bird watching Birds--Counting Birds--Nests Birdsongs Anseriformes | Ducks, Geese, and Swans Birds--Infancy 1993-08-02 N/A
Iowa seasonal report, Summer 93, Diane Porter Field notes Bird watching Birds--Identification Birdsongs 1993-06-01 N/A
Field reports, Spring 1993, Thomas Kent Field notes Bird watching Birds--Food Birds--Identification Birds--Nests Birdsongs 1993-06-03 N/A
Bery Engebretsen letter to Thomas Kent regarding spring reports, June 2, 1993 Field notes Bird watching Birds--Identification Birdsongs Weather 1993-06-02 N/A
Field reports, Spring 1993, Dennis Carter Field notes Bird watching Birds--Identification Birds--Migration Birdsongs Charadriiformes | Shore-birds, Gulls, and Auks Turdidae | Thrushes Parulidae | Warblers Weather Waterfowl 1993-06-01 N/A
Kenneth Brock letter to Thomas Kent regarding Iowa bird documentation, June 18, 1993 Correspondence Field notes Bird watching Birds--Identification Birdsongs Rare birds 1993-06-18 N/A
Field notes contributed by Dennis L. Carter, August 3, 1992 Field notes Reports Bird populations Bird watching Birds--Counting Birdsongs Tyrannidae | Flycatchers Ciconiiformes | Herons, Bitterns, Egrets, Ibises, and Storks Parulidae | Warblers 1992-08-03 N/A
Field notes contributed by Diane C. Porter, June 1, 1992 Field notes Bird feeders Bird watching Birds--Nests Birdsongs Parulidae | Warblers Birds--Infancy Eggs--Incubation Emberizidae | Sparrows 1992-06-01 N/A
Field notes contributed by Thomas H. Kent, June 2, 1992 Field notes Bird watching Birds--Nests Birdsongs Parulidae | Warblers Birds--Infancy Emberizidae | Sparrows 1992-06-02 N/A
Field notes contributed by James L. Fuller, June 2, 1992 Field notes Bird feeders Bird watching Birds--Eggs Birdsongs Parulidae | Warblers Birds--Infancy 1992-06-02 N/A
Iowa seasonal report, fall 1991, contributed by Diane C. Porter, December 1, 1991 Field notes Bird feeders Bird watching Birds--Behavior Birdsongs Scolopacidae | Sandpipers, Phalaropes, and allies Parulidae | Warblers Birds--Infancy Birds--Feeding and feeds Emberizidae | Sparrows 1991-12-01 N/A
Field notes contributed by Diane C. Porter, August 1, 1991 Field notes Forms (documents) Bird watching Birdsongs Weather Birds--Infancy Birds--Feeding and feeds 1991-08-01 N/A
Bery Engebretsen letter to Robert K. Myers regarding bird sightings, May 29, 1988 Correspondence Field notes Bird watching Birds--Counting Birdsongs Anseriformes | Ducks, Geese, and Swans 1988-05-29 N/A
Field notes contributed by Dennis L. Carter, July 31, 1991 Field notes Bird watching Birds--Nests Birdsongs Nest building Scolopacidae | Sandpipers, Phalaropes, and allies Weather Birds--Infancy 1991-07-31 N/A
Field notes and Barbara L. Wilson letter to Carl J. Bendorf, November 28, 1988 Correspondence Field notes Bird feeders Bird watching Birdsongs Weather Birds--Infancy 1988-11-28 N/A
Field reports of Iowa birds contributed by Thomas H. Kent, November 26, 1988 Field notes Bird watching Birds--Counting Birds--Identification Birds--Migration Birdsongs Birds--Infancy 1988-11-26 N/A
Ione Getscher letter to Carl J. Bendorf regarding bird sightings, September 19, 1988 Correspondence Field notes Bird watching Birds--Counting Birdsongs Birds--Infancy 1988-09-19 N/A
Eloise Armstrong and Eugene Armstrong letter to Carl J. Bendorf regarding bird sightings, November 28, 1988 Correspondence Field notes Bird feeders Bird watching Birds--Identification Birdsongs 1988-11-28 N/A
Douglas E. Trapp letter to James J. Dinsmore regarding two owl species sightings, August 1, 1988 Correspondence Field notes Bird watching Birdsongs 1988-08-01 N/A
Darwin Koenig letter to James J. Dinsmore regarding bird sightings, August 1, 1988 Correspondence Field notes Bird watching Birds--Nests Birdsongs Birds--Infancy Birds--Feeding and feeds 1988-08-01 N/A
IOU field reports form, Douglas C. Harr, July 29, 1988 Field notes Forms (documents) Bird watching Birdsongs Weather Birds--Infancy 1988-07-29 N/A
Field notes and Bery Engebretsen letter to James J. Dinsmore, July 30, 1988 Correspondence Field notes Bird watching Birds--Nests Birdsongs Scolopacidae | Sandpipers, Phalaropes, and allies Parulidae | Warblers Weather Birds--Infancy 1988-07-30 N/A
John Van Dyk letter to Robert K. Myers regarding bird sightings, May 27, 1988 Correspondence Field notes Bird watching Birds--Counting Birdsongs Parulidae | Warblers Emberizidae | Sparrows 1988-05-27 N/A
IOU field reports form, Douglas C. Harr, May 27, 1988 Field notes Forms (documents) Bird watching Birds--Counting Birds--Migration Birdsongs Weather 1988-05-27 N/A