Title Genres Topics Date (Start) Date (End)
W. Ross Silcock letter to Nicholas S. Halmi regarding highlights of the Christmas bird count, January 30, 1977 Correspondence Field notes Bird watching Birds--Counting Birds--Research Ornithology--Methodology Fringillidae | Finches N/A N/A
Field notes contributed by Beth Proescholdt, fall 1982 Field notes Forms (documents) Bird watching Birds--Counting Birds--Migration Fringillidae | Finches Parulidae | Warblers Weather N/A N/A
Iowa Ornithologists' Union, field report compiled data, Ring-billed Gull, 1983 Field notes Bird watching Birds--Counting Birds--Research N/A N/A
Fall, early spring, and late spring migration dates for Iowa Administrative records Field notes Bird watching Birds--Counting Birds--Identification Birds--Migration Anseriformes | Ducks, Geese, and Swans Tyrannidae | Flycatchers Parulidae | Warblers N/A N/A