Title Genres Topics Date (Start) Date (End)
Iowa Ornithologists' Union, field report compiled data, Yellow Warbler, 1980-1983 Field notes Bird watching Birds--Counting Birds--Research 1980-06-01 1983-07-31
Iowa Ornithologists' Union, field report compiled data, Yellow-bellied Flycatcher, 1979-1983 Field notes Bird watching Birds--Counting Birds--Research 1979-08-17 1983-06-06
Iowa Ornithologists' Union, field report compiled data, Yellow-bellied Sapsucker, 1979-1983 Field notes Bird watching Birds--Counting Birds--Nests Birds--Research Birds--Infancy 1979-12-01 1983-05-06
Iowa Ornithologists' Union, field report compiled data, Yellow-billed Cuckoo, 1979-1983 Field notes Bird watching Birds--Counting Birds--Research 1979-09-08 1983-06-15
Iowa Ornithologists' Union, field report compiled data, Yellow-breasted Chat, 1958-1983 Field notes Bird watching Birds--Counting Birds--Research 1958-09-28 1983-07-16
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, Yellow-headed Blackbird, 1979-1983 Field notes Bird feeders Bird watching Birds--Counting Birds--Research 1979-10-27 1983-06-08
Iowa Ornithologists' Union, field report compiled data, Yellow-rumped Warbler, 1980-1983 Field notes Bird watching Birds--Counting Birds--Research 1980-05-19 1983-05-26
Iowa Ornithologists' Union, field report compiled data, Yellow-throated Vireo, 1980-1983 Field notes Bird watching Birds--Counting Birds--Research 1980-06-14 1983-04-30
Iowa Ornithologists' Union, field report compiled data, Yellow-throated Warbler, 1982-1983 Field notes Bird watching Birds--Counting Birds--Research 1982-04-18 1983-07-04
NC to OBS file Centerville SD Ames, fall 1984 Field notes Birds--Counting 1984-08-01 1984-11-30
Field notes contributed by Raymond L. Cummins, fall 1986 Field notes Forms (documents) Bird watching Birds--Counting Birds--Identification 1986-08-01 1986-11-30
Tri-city Bird Club daily field card compiled by Peter C. Petersen and Dale Birkenholz, May 29, 1956 Checklists Bird watching Birds--Counting Birds--Identification Anseriformes | Ducks, Geese, and Swans Ornithology--Methodology Scolopacidae | Sandpipers, Phalaropes, and allies 1956-05-29 N/A
Addendum to the Cedar Falls, IA Christmas bird count, December 27, 1980 Field notes Bird watching Birds--Counting 1980-12-27 N/A
Field notes contributed by Stephen J. Dinsmore, fall 1986 Field notes Bird watching Birds--Counting Birds--Habitat Birds--Migration 1986-08-01 1986-11-30
Documented sightings for Iowa, spring 1984 Field notes Bird watching Birds--Counting Birds--Research 1984-03-01 1984-05-31
Christmas bird census, Des Moines Audubon Society, December 26 1934 Field notes Drafts (documents) Articles Bird watching Birds--Counting Weather 1934-12-26 N/A
Iowa Birdline update, April 12, 1993 Correspondence Field notes Bird feeders Bird watching Birds--Counting Birds--Identification Anseriformes | Ducks, Geese, and Swans Charadriiformes | Shore-birds, Gulls, and Auks Dial-a-message telephone calls 1993-04-12 N/A
Iowa Birdline update, April 19, 1993 Correspondence Field notes Bird watching Birds--Counting Birds--Identification Birdsongs Anseriformes | Ducks, Geese, and Swans Dial-a-message telephone calls 1993-04-19 N/A
Iowa Birdline update, April 26, 1993 Correspondence Field notes Bird watching Birds--Counting Birds--Identification Birds--Infancy Emberizidae | Sparrows Dial-a-message telephone calls 1993-04-26 N/A
Iowa Birdline update, April 5, 1993 Correspondence Field notes Bird feeders Bird watching Birds--Counting Birds--Identification Dial-a-message telephone calls 1993-04-05 N/A
Iowa Birdline update, August 10, 1992 Correspondence Field notes Bird watching Birds--Counting Birds--Identification Parulidae | Warblers Dial-a-message telephone calls 1992-08-10 N/A
Iowa Birdline update, August 17, 1992 Correspondence Field notes Bird watching Birds--Counting Birds--Identification Charadriiformes | Shore-birds, Gulls, and Auks Parulidae | Warblers Dial-a-message telephone calls 1992-08-17 N/A
Iowa Birdline update, August 24, 1992 Correspondence Field notes Bird watching Birds--Counting Birds--Identification Charadriiformes | Shore-birds, Gulls, and Auks Dial-a-message telephone calls 1992-08-24 N/A
Iowa Birdline update, August 31, 1992 Correspondence Field notes Bird watching Birds--Counting Birds--Identification Parulidae | Warblers Dial-a-message telephone calls 1992-08-31 N/A