Title Genres Topics Date (Start) Date (End)
Iowa Birdline update, June 18, 1990 Field notes Bird surveys Bird watching Birds--Nests Anseriformes | Ducks, Geese, and Swans Parulidae | Warblers Dial-a-message telephone calls 1990-06-18 N/A
Iowa Birdline update, June 25, 1990 Field notes Bird watching Anseriformes | Ducks, Geese, and Swans Parulidae | Warblers Dial-a-message telephone calls 1990-06-25 N/A
Iowa Birdline update, July 2, 1990 Field notes Bird watching Parulidae | Warblers Dial-a-message telephone calls 1990-07-02 N/A
Field reports, Peter C. Petersen, fall 1990 Field notes Forms (documents) Bird watching Birds--Counting Birds--Identification Rare birds Parulidae | Warblers 1990-08-01 1990-11-30
Field reports, John Van Dyk, fall 1990 Correspondence Field notes Bird declines Bird watching Birds--Identification Rare birds Parulidae | Warblers Weather 1990-08-01 1990-12-01
Field reports, Ann Johnson, fall 1990 Field notes Animal migration--Climatic factors Bird watching Birds--Identification Podicipediformes | Grebes Rare birds Vireonidae | Vireos Parulidae | Warblers Weather 1990-08-01 1990-11-30
Iowa Birdline update, August 12, 1990 Field notes Bird watching Parulidae | Warblers Dial-a-message telephone calls 1990-08-12 N/A
Iowa Birdline update, August 20-21, 1990 Field notes Bird watching Laridae | Gulls and Terns Charadriiformes | Shore-birds, Gulls, and Auks Parulidae | Warblers Dial-a-message telephone calls 1990-08-20 1990-08-21
Iowa Birdline update, August 27, 1990 Field notes Bird watching Ciconiiformes | Herons, Bitterns, Egrets, Ibises, and Storks Charadriiformes | Shore-birds, Gulls, and Auks Parulidae | Warblers Dial-a-message telephone calls 1990-08-27 N/A
Iowa Birdline update, September 3, 1990 Field notes Bird watching Ciconiiformes | Herons, Bitterns, Egrets, Ibises, and Storks Charadriidae | Plovers Charadriiformes | Shore-birds, Gulls, and Auks Parulidae | Warblers Waterfowl Dial-a-message telephone calls 1990-09-03 N/A
Iowa Birdline update, September 9, 1990 Field notes Bird watching Scolopacidae | Sandpipers, Phalaropes, and allies Charadriiformes | Shore-birds, Gulls, and Auks Parulidae | Warblers Waterfowl Dial-a-message telephone calls 1990-09-09 N/A
Iowa Birdline update, September 10, 1990 Field notes Bird watching Laridae | Gulls and Terns Threskiornithidae | Ibises Scolopacidae | Sandpipers, Phalaropes, and allies Charadriiformes | Shore-birds, Gulls, and Auks Parulidae | Warblers Dial-a-message telephone calls 1990-09-10 N/A
Iowa Birdline update, September 17, 1990 Field notes Bird watching Laridae | Gulls and Terns Charadriiformes | Shore-birds, Gulls, and Auks Parulidae | Warblers Dial-a-message telephone calls 1990-09-17 N/A
Iowa Birdline update, September 24, 1990 Field notes Bird watching Parulidae | Warblers Weather Emberizidae | Sparrows Dial-a-message telephone calls 1990-09-24 N/A
Field reports, Robert K. Myers, spring 1991 Field notes Forms (documents) Bird watching Birds--Behavior Birds--Identification Parulidae | Warblers 1991-03-01 1991-05-31
Field reports, Stephen J. Dinsmore, spring 1991 Field notes Bird watching Birds--Identification Rare birds Charadriiformes | Shore-birds, Gulls, and Auks Parulidae | Warblers 1991-03-01 1991-05-31
Field reports, Gordon Brand, spring 1991 Field notes Birds--Behavior Birds--Identification Birds--Migration Rare birds Parulidae | Warblers 1991-03-01 1991-05-31
Big Bluestem Flyer, Volume 26, Number 8, April 1991 Newsletters Bird watching Conservationists Local government and environmental policy Ornithology--Societies, etc Charadriiformes | Shore-birds, Gulls, and Auks Parulidae | Warblers Wildlife conservation Waterfowl 1991-04-01 1991-04-30
Field reports, Jean B. Braley, spring 1991 Field notes Bird watching Birds--Behavior Birds--Migration Rare birds Turdidae | Thrushes Parulidae | Warblers Emberizidae | Sparrows 1991-05-08 1991-05-12
Iowa Birdline update, May 20, 1991 Correspondence Field notes Bird watching Tyrannidae | Flycatchers Vireonidae | Vireos Parulidae | Warblers Dial-a-message telephone calls 1991-05-20 N/A
Iowa Birdline update, May 27, 1991 Correspondence Field notes Bird watching Birds--Migration Tyrannidae | Flycatchers Charadriiformes | Shore-birds, Gulls, and Auks Parulidae | Warblers Dial-a-message telephone calls 1991-05-27 N/A
Field reports form for submitting seasonal observations of Iowa birds, Mark Proescholdt, summer 1991 Field notes Forms (documents) Bird watching Birdsongs Accipitridae | Hawks and Eagles Scolopacidae | Sandpipers, Phalaropes, and allies Vireonidae | Vireos Parulidae | Warblers Birds--Infancy 1991-06-01 1991-07-31
Field notes contributed by Ann Johnson, summer 1991 Field notes Bird watching Birds--Counting Birds--Identification Parulidae | Warblers 1991-06-01 1991-07-31
Field notes contributed by Stephen J. Dinsmore , summer 1991 Field notes Bird watching Birds--Counting Birds--Identification Birds--Nests Nest building Parulidae | Warblers Birds--Infancy 1991-06-01 1991-07-31
John Van Dyk letter to Carl Bendorf, June 1 1991 Correspondence Field notes Bird watching Birds--Identification Birds--Migration Rare birds Charadriiformes | Shore-birds, Gulls, and Auks Parulidae | Warblers Weather 1991-06-01 N/A