Title Genres Topics Date (Start) Date (End)
Iowa Birdline update, October 1, 1990 Field notes Bird watching Birds--Migration Laridae | Gulls and Terns Passeriformes | Perching-birds and songbirds Charadriiformes | Shore-birds, Gulls, and Auks Emberizidae | Sparrows Dial-a-message telephone calls 1990-10-01 N/A
Field reports, Steve Dinsmore, fall 1990 Correspondence Field notes Bird watching Birds--Behavior Birds--Identification Birds--Migration Charadriiformes | Shore-birds, Gulls, and Auks Waterfowl 1990-08-01 1990-11-30
Fourth Supplementary Breeding Bird Census of Big Sand Mound Nature Preserve, July 1990 Field notes Reports Bird watching Birds--Behavior Birds--Breeding Birds--Identification Birds--Migration Birds--Nests Weather 1990-07-01 1990-07-31
Field reports, Ann Johnson, summer 1990 Field notes Bird watching Birds--Counting Birds--Migration Birds--Nests Weather 1990-06-01 1990-07-31
Field reports, Matthew Kenne, summer 1990 Field notes Forms (documents) Bird watching Birds--Identification Birds--Migration Birds--Nests Rare birds Weather 1990-06-01 1990-07-31
Iowa Birdline update, May 28, 1990 Field notes Bird watching Birds--Migration Birds--Nests Tyrannidae | Flycatchers Passeriformes | Perching-birds and songbirds Parulidae | Warblers Dial-a-message telephone calls 1990-05-28 N/A
Iowa Birdline update, May 13, 1990 Field notes Bird watching Birds--Migration Charadriiformes | Shore-birds, Gulls, and Auks Parulidae | Warblers Dial-a-message telephone calls 1990-05-13 N/A
Iowa Birdline update, April 30, 1990 Field notes Bird watching Birds--Migration Anseriformes | Ducks, Geese, and Swans Laridae | Gulls and Terns Charadriiformes | Shore-birds, Gulls, and Auks Parulidae | Warblers Dial-a-message telephone calls 1990-04-30 N/A
Iowa Birdline update, April 16, 1990 Field notes Bird watching Birds--Migration Passeriformes | Perching-birds and songbirds Charadriiformes | Shore-birds, Gulls, and Auks Dial-a-message telephone calls 1990-04-16 N/A
Iowa Birdline update, April 9, 1990 Field notes Bird watching Birds--Migration Dial-a-message telephone calls 1990-04-09 N/A
Iowa Birdline update, April 2, 1990 Field notes Bird watching Birds--Migration Anseriformes | Ducks, Geese, and Swans Waterfowl Dial-a-message telephone calls 1990-04-02 N/A
Iowa Birdline update, March 26, 1990 Field notes Bird watching Birds--Migration Anseriformes | Ducks, Geese, and Swans Waterfowl Dial-a-message telephone calls 1990-03-26 N/A
Iowa Birdline update, March 5, 1990 Field notes Bird watching Birds--Migration Icteridae | Blackbirds, Orioles, Meadowlarks, and allies Anseriformes | Ducks, Geese, and Swans Waterfowl Dial-a-message telephone calls 1990-03-05 N/A
John Van Dyk letter to Carl J. Bendorf regarding field reports for the IOU quarterly field report, December 1, 1989 Correspondence Field notes Bird watching Birds--Behavior Birds--Identification Birds--Migration Parulidae | Warblers Weather 1989-12-01 N/A
Iowa Birdline update, November 6, 1989 Field notes Bird watching Birds--Migration Waterfowl Dial-a-message telephone calls 1989-11-06 N/A
Iowa RBA, September 21, 1998 Field notes Bird watching Birds of prey Birds--Migration Dial-a-message telephone calls 1989-09-21 N/A
Iowa Birdline update, August 14, 1989 Field notes Bird watching Birds--Migration Passeriformes | Perching-birds and songbirds Charadriiformes | Shore-birds, Gulls, and Auks Dial-a-message telephone calls 1989-08-14 N/A
Iowa Birdline update, August 7, 1989 Field notes Bird watching Birds--Migration Charadriiformes | Shore-birds, Gulls, and Auks Dial-a-message telephone calls 1989-08-07 N/A
Field reports, Marion M. Brewer, fall 1989 Field notes Forms (documents) Bird watching Birds--Counting Birds--Identification Birds--Migration 1989-08-01 1989-11-30
Field reports, Ann Johnson, fall 1989 Field notes Animal migration--Climatic factors Bird watching Birds--Counting Birds--Identification Birds--Migration Weather 1989-08-01 1989-11-30
Field reports, Douglas Harr, fall 1989 Field notes Animal migration--Climatic factors Bird watching Birds--Identification Birds--Migration Scolopacidae | Sandpipers, Phalaropes, and allies Weather 1989-08-01 1989-11-30
Field reports, several observers, fall 1989 Field notes Bird watching Birds--Identification Birds--Migration Anseriformes | Ducks, Geese, and Swans Laridae | Gulls and Terns Charadriiformes | Shore-birds, Gulls, and Auks Weather 1989-08-01 1989-11-30
Iowa Birdline update, May 13-18, 1989 Field notes Bird watching Birds--Migration Parulidae | Warblers Dial-a-message telephone calls 1989-05-13 1989-05-18
Iowa Birdline update, March 27, 1989 Field notes Bird watching Birds--Migration Passeriformes | Perching-birds and songbirds Waterfowl Dial-a-message telephone calls 1989-03-27 N/A
Iowa Birdline update, March 13, 1989 Field notes Bird watching Birds--Migration Dial-a-message telephone calls 1989-03-13 1989-03-14