Title Genres Topics Date (Start) Date (End)
Irene Van Nieuwenhuyse letter to Peter C. Petersen regarding a Ringed Turtle-Dove sighting, May 28, 1981 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology Rare birds 1981-05-28 N/A
Barbara L. Wilson letter to Thomas H. Kent regarding summer bird sightings and populations, July 31, 1981 Correspondence Field notes Forms (documents) Bird populations Bird watching Birds--Counting Birds--Nests Birds--Research Ornithology--Methodology Weather 1981-07-31 N/A
Field notes contributed by Hank Zaletel, summer 1981 Field notes Reports Bird watching Birds--Counting Birds--Research Ornithology--Methodology Emberizidae | Sparrows 1981-06-01 1981-07-31
John Van Dyk letter to Thomas H. Kent regarding no summer bird sightings, August 2, 1981 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology Rare birds 1981-08-02 N/A
Iowa Ornithologists' Union, field report compiled data, Loggerhead Shrike, 1983 Field notes Bird watching Birds--Counting Birds--Research 1983-06-02 1983-07-15
Iowa Ornithologists' Union, field report compiled data, Northern Shrike, 1979-1983 Field notes Bird watching Birds--Counting Birds--Research 1979-11-17 1983-03-21
Iowa Ornithologists' Union, field report compiled data, Common Snipe, 1979-1983 Field notes Bird watching Birds--Counting Birds--Research 1979-11-10 1983-07-07
Iowa Ornithologists' Union, field report compiled data, Sora, 1979-1983 Field notes Bird watching Birds--Counting Birds--Research 1979-11-04 1983-05-21
Iowa Ornithologists' Union, field report compiled data, Harris' Sparrow, 1979-1983 Field notes Bird watching Birds--Counting Birds--Research 1979-12-08 1983-05-26
Iowa Ornithologists' Union, field report compiled data, White-crowned Sparrow, 1980-1983 Field notes Bird watching Birds--Counting Birds--Research 1980-01-01 1983-05-25
Iowa Ornithologists' Union, field report compiled data, White-throated Sparrow, 1980-1983 Field notes Bird watching Birds--Counting Birds--Research 1980-02-27 1983-03-21
Iowa Ornithologists' Union, field report compiled data, Swamp Sparrow, 1980-1983 Field notes Bird watching Birds--Counting Birds--Research 1980-05-19 1983-03-20
Iowa Ornithologists' Union, field report compiled data, Lincoln's Sparrow, 1980-1983 Field notes Bird watching Birds--Counting Birds--Research 1980-12-28 1983-05-26
Iowa Ornithologists' Union, field report compiled data, Song Sparrow, 1982-1983 Field notes Bird watching Birds--Counting Birds--Research 1982-04-24 1983-04-10
Iowa Ornithologists' Union, field report compiled data, Fox Sparrow, 1979-1983 Field notes Bird watching Birds--Counting Birds--Research 1979-10-28 1983-03-12
Iowa Ornithologists' Union, field report compiled data, Le Conte's Sparrow, 1979-1983 Field notes Bird watching Birds--Counting Birds--Research 1979-10-11 1983-05-22
Iowa Ornithologists' Union, field report compiled data, Henslow's Sparrow, 1980-1983 Field notes Bird watching Birds--Counting Birds--Research 1980-04-26 1983-07-17
Iowa Ornithologists' Union, field report compiled data, Grasshopper Sparrow, 1980-1983 Field notes Bird watching Birds--Counting Birds--Research 1980-05-04 1983-04-30
Iowa Ornithologists' Union, field report compiled data, Savannah Sparrow, 1979-1983 Field notes Bird watching Birds--Counting Birds--Research 1979-11-03 1983-06-17
Iowa Ornithologists' Union, field report compiled data, Lark Sparrow, 1980-1983 Field notes Bird watching Birds--Counting Birds--Research 1980-05-04 1983-07-23
Iowa Ornithologists' Union, field report compiled data, Vesper Sparrow, 1980-1982 Field notes Bird watching Birds--Counting Birds--Research 1980-04-13 1982-10-30
Iowa Ornithologists' Union, field report compiled data, Field Sparrow, 1980-1983 Field notes Bird watching Birds--Counting Birds--Research 1980-02-12 1983-03-20
Iowa Ornithologists' Union, field report compiled data, Clay-colored Sparrow, 1974-1983 Field notes Bird watching Birds--Counting Birds--Research 1974-07-15 1983-05-23
Iowa Ornithologists' Union, field report compiled data, Chipping Sparrow, 1980-1982 Field notes Bird watching Birds--Counting Birds--Research 1980-09-27 1982-10-30
Iowa Ornithologists' Union, field report compiled data, American Tree Sparrow, 1981-1983 Field notes Bird watching Birds--Counting Birds--Research 1981-10-21 1983-04-20