Title Genres Topics Date (Start) Date (End)
Field notes contributed by John Van Dyk, June 1, 1979 Field notes Reports Bird declines Bird watching Birds--Migration Tyrannidae | Flycatchers Accipitridae | Hawks and Eagles Charadriiformes | Shore-birds, Gulls, and Auks Parulidae | Warblers Weather 1979-06-01 N/A
Iowa Ornithologists' Union, Quarterly field report, spring 1989 Field notes Bird watching Birds--Research Ornithology--Methodology Rare birds Weather 1989-03-01 1989-05-31
Birdwatching notes compiled by Woodward Hart Brown, 1946-1980 Field notes Bird watching Birds--Eggs Birds--Identification Birds--Nests Birdsongs Weather 1946-02-10 1980-02-29
Iowa Ornithologists' Union, Quarterly field report, summer 2002 Field notes Bird watching Birds--Habitat Birds--Nests Birds--Research Charadriiformes | Shore-birds, Gulls, and Auks Weather 2002-06-01 2002-07-31
Walter Rosene daily journal, 1922 Diaries Field notes Bird watching Birds--Nests Weather 1922-01-01 1922-12-31