Title Genres Topics Date (Start) Date (End)
Iowa Ornithologists' Union, field report compiled data, Yellow-Crowned Night Heron, 1963-1983 Field notes Bird watching Birds--Counting Birds--Research 1963-04-01 1983-06-05
Iowa Ornithologists' Union, field report compiled data, Black-crowned Night Heron, 1956-1983 Field notes Bird watching Birds--Counting Birds--Research 1956-10-25 1983-07-08
Iowa Ornithologists' Union, field report compiled data, Green-backed Heron, 1950-1982 Field notes Bird watching Birds--Counting Birds--Research 1950-04-23 1982-10-14
Iowa Ornithologists' Union, field report compiled data, Cattle Egret, 1983 Field notes Bird watching Birds--Counting Birds--Research 1983-04-26 1983-07-23
Iowa Ornithologists' Union, field report compiled data, Little Blue Heron, 1979-1983 Field notes Bird watching Birds--Counting Birds--Research 1979-08-01 1983-07-30
Iowa Ornithologists' Union, field report compiled data, Great Egret, 1961-1983 Field notes Bird watching Birds--Counting Birds--Research 1961-11-26 1983-07-31
Iowa Ornithologists' Union, field report compiled data, Sharp-shinned Hawk, 1979-1983 Field notes Bird watching Birds--Counting Birds--Research 1979-12-17 1983-05-31
Iowa Ornithologists' Union, field report compiled data, Rough-legged Hawk, 1947-1983 Field notes Bird watching Birds--Counting Birds--Research 1947-05-17 1983-05-09
Iowa Ornithologists' Union, field report compiled data, Red-tailed Hawk, 1979-1983 Field notes Bird watching Birds--Counting Birds--Research 1979-10-06 1983-07-11
Iowa Ornithologists' Union, field report compiled data, Swainson's Hawk, 1979-1983 Field notes Bird watching Birds--Counting Birds--Research 1979-06-01 1983-05-19
Iowa Ornithologists' Union, field report compiled data, Broad-winged Hawk, 1979-1983 Field notes Bird watching Birds--Counting Birds--Research 1979-09-15 1983-07-31
Iowa Ornithologists' Union, field report compiled data, Red-shouldered Hawk, 1979-1983 Field notes Bird watching Birds--Counting Birds--Research 1979-09-19 1983-07-31
Iowa Ornithologists' Union, field report compiled data, Cooper's Hawk, 1983 Field notes Bird watching Birds--Counting Birds--Research 1983-06-10 1983-07-09
Gladys Black letter to Nicholas S. Halmi regarding the large population of Evening Grosbeak's, November 16, 1977 Correspondence Field notes Bird feeders Bird populations Bird watching Birds--Counting Birds--Food Birds--Research 1977-11-16 N/A
Iowa Ornithologists' Union, field report compiled data, Red-winged Blackbird, 1979-1983 Field notes Bird watching Birds--Counting Birds--Research 1979-12-20 1983-02-22
Iowa Ornithologists' Union, field report compiled data, Brewer's Blackbird, 1979-1983 Field notes Bird watching Birds--Counting Birds--Research 1979-11-09 1983-05-06
Iowa Ornithologists' Union, field report compiled data, Rusty Blackbird, 1979-1983 Field notes Bird watchers Birds--Counting Birds--Research 1979-12-01 1983-12-31
Iowa Ornithologists' Union, field report compiled data, Yellow-headed Blackbird, 1979-1983 Field notes Bird feeders Bird watching Birds--Counting Birds--Research 1979-10-27 1983-06-08
Field reports form for submitting seasonal observations of Iowa birds, Ed Thelen, fall 1996 Field notes Forms (documents) Bird feeders Bird watching Birds--Counting Birds--Infancy 1996-08-01 1996-11-30
Field notes contributed by Jim Sinclair, fall 1996 Field notes Bird watching Birds--Counting Birds--Infancy Birds--Feeding and feeds 1996-08-01 1996-11-30
Field notes contributed by Lee A. Schoenewe, fall 1996 Field notes Bird watching Birds--Counting Birds--Identification Birds--Infancy 1996-08-01 1996-11-30
Field notes contributed by Russell Reisz, fall 1996 Field notes Bird watching Birds--Counting Birds--Identification 1996-08-01 1996-11-30
Field notes and Hawk watch report contributed by Beth Proescholdt, fall 1996 Field notes Forms (documents) Bird watching Birds--Counting Birds--Identification 1996-08-01 1996-11-30
Field notes contributed by Diane C. Porter, December 2, 1996 Field notes Bird watching Birds--Counting Parulidae | Warblers Birds--Infancy 1996-12-02 N/A
Field notes contributed by Paul Martsching, fall 1996 Field notes Bird watching Birds--Counting Birds--Identification Parulidae | Warblers 1996-08-01 1996-11-30