Title Genres Topics Date (Start) Date (End)
Daily field checking list, Walter Rosene, April 8, 1934 Checklists Field notes Bird watching Birds--Nests Birds--Infancy 1934-04-08 N/A
Daily field checking list, Walter Rosene, June 4, 1933 second trip Checklists Field notes Bird watching Birds--Eggs Birds--Nests Birdsongs Photography of birds Birds--Infancy 1933-06-04 N/A
Daily field checking list, Walter Rosene, May 23, 1935 Checklists Field notes Bird watching Birds--Identification Birds--Nests Birds--Infancy 1935-05-23 N/A
Dale Stone letter to James J. Dinsmore regarding Upland Sandpiper sightings, August 3, 1988 Correspondence Field notes Bird watching Birds--Infancy 1988-08-03 N/A
Dan Dorrance letter to Jim Dinsmore regarding Red-necked Grebe sighting, August 17, 1994 Correspondence Field notes Bird watching Birds--Identification Birds--Infancy 1994-06-01 1994-07-31
Darwin Koenig email to Jim Dinsmore regarding summer field report, August 4, 1998 Correspondence Field notes Bird watching Birds--Nests Birds--Infancy 1998-08-04 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
Darwin Koenig letter to James J. Dinsmore regarding bird sightings, July 30, 1985 Correspondence Field notes Bird watching Birds--Nests Parulidae | Warblers Birds--Infancy 1985-07-30 N/A
Darwin Koenig letter to James J. Dinsmore regarding bird sightings, summer 2004 Correspondence Field notes Bird watching Birds--Counting Birds--Nests Falconiformes | Hawks, Eagles, Falcons, Osprey, and Vultures Parulidae | Warblers Birds--Infancy 2004-06-01 2004-07-31
Darwin Koenig letter to James J. Dinsmore regarding summer bird sightings, August 3, 1987 Correspondence Field notes Bird watching Birds--Nests Tyrannidae | Flycatchers Birds--Infancy 1987-08-03 N/A
Darwin Koenig letter to James J. Dinsmore regarding summer bird sightings, August 3, 1989 Correspondence Field notes Bird watching Birds--Counting Birds--Nests Birds--Infancy 1989-08-03 N/A
David J. Conrads letter to Carl J. Bendorf regarding bird sightings, fall 1988 Correspondence Field notes Bird watching Birds--Identification Birdsongs Birds--Infancy 1988-08-01 1988-11-30
Dean Dalziel letter to Richard Bishop regarding unusual bird sighting, July 7, 1980 Correspondence Field notes Bird watching Birds--Infancy 1980-07-07 N/A
Dennis L. Carter letter to James J. Dinsmore regarding summer bird sightings, August 1, 2005 Correspondence Field notes Bird watching Birds--Counting Birds--Infancy 5005-08-01 N/A
Dick Bierman letter to Nicholas S. Halmi regarding bird sightings, November 29, 1977 Correspondence Field notes Bird watching Birdsongs Birds--Infancy 1977-11-29 N/A
Documentation for extraordinary bird sightings in Iowa, Yellow-bellied Sapsucker, May 10, 1998, Rita Goranson Field notes Forms (documents) Bird watching Birds--Eggs Birds--Identification Birds--Nests Rare birds Birds--Infancy 1998-05-10 1998-07-08
Documentation form for extraordinary bird sightings in Iowa, Prairie Warbler, July 8, 1995, Chris Edwards Field notes Bird watching Birds--Food Birds--Identification Birdsongs Rare birds Birds--Infancy 1995-07-08 N/A
Donald Gillaspey letter to Thomas Kent regarding bird sightings, fall 1994 Correspondence Field notes Bird watching Birds--Behavior Birds--Identification Birds--Nests Birdsongs Birds--Infancy 1994-08-01 1994-11-30
Doug Harr letter to Jim Dinsmore regarding IOU observations, July 31, 1998 Correspondence Field notes Bird watching Birds--Nests Birds--Infancy Predatory animals Families 1998-07-31 N/A
Doug Reeves letter and photograph to W. Ross Silcock regarding Breeding Bird Atlas special documentation forms and a Barn Owl nest, February 12, 1987 Correspondence Field notes Photographs Bird watching Birds--Nests Ornithology--Methodology Birds--Infancy 1987-02-12 N/A
Erik Munson letter to Robert K. Myers regarding bird sightings, spring 1988 Correspondence Field notes Bird watching Birds--Counting Birds--Identification Birds--Nests Birds--Infancy 1988-03-01 1988-05-31
Fall 1995 documentations, December 11, 1995 Bird watching Laridae | Gulls and Terns Gaviiformes | Loons Scolopacidae | Sandpipers, Phalaropes, and allies Birds--Infancy Selasphorus 1995-08-01 1995-11-30
Fall report, 1978 Field notes Bird watching Birds--Counting Precipitation (Meteorology) Weather Winds Birds--Infancy 1978-08-01 1978-11-30
Field note about a House Finch sighting contributed by Suzanne Clark, June 15, 1989 Field notes Bird watching Birds--Identification Birds--Nests Birds--Infancy 1989-06-15 N/A
Field note about a Northern Harrier sighting contributed by Bruce Ehresman and Kevin Blazek, summer 2005 Field notes Bird watching Birds--Nests Birds--Infancy 2005-06-01 2005-07-31