Title Genres Topics Date (Start) Date (End)
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
Christmas count, 1980-81 Field notes Reports Bird populations Bird surveys Bird watching Birds--Counting Birds--Identification Winter Citizen science 1980-12-20 1981-01-04
1980 Decorah, Iowa CBC Field notes Bird watching Birds--Counting Birds--Identification 1980-12-20 1981-01-04
Supporting details form for Hooded Merganser sighting submitted by Janet Greer, December 20 1980 Field notes Forms (documents) Bird watching Birds--Counting Birds--Identification 1980-12-20 N/A
1980 Yellow River Forest, Iowa CBC Field notes Surveys (documents) Bird watching Birds--Counting Birds--Identification 1980-12-25 N/A
Cedar Rapids Christmas bird count Field notes Bird watching Birds--Counting Birds--Identification Rare birds 1980-12-20 1981-01-04
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 Hank Zaletel, summer 1981 Field notes Reports Bird watching Birds--Counting Birds--Research Ornithology--Methodology Emberizidae | Sparrows 1981-06-01 1981-07-31
Field notes contributed by Dick Bierman, summer 1981 Field notes Reports Bird watching Birds--Counting Birds--Nests Birds--Research Ornithology--Methodology 1981-06-01 1981-07-31
Field notes contributed by Robert E. Thornburg, summer 1981 Field notes Reports Bird watching Birds--Counting Birds--Research Ornithology--Methodology 1981-06-01 1981-07-31
Field notes contributed by James P. Sandrock with verifying documentation, summer 1981 Field notes Forms (documents) Reports Bird watching Birds--Counting Birds--Nests Birds--Research Tyrannidae | Flycatchers Ornithology--Methodology Parulidae | Warblers Piciformes | Woodpeckers and allies 1981-07-12 N/A
Peter C. Petersen letter to Thomas H. Kent regarding summer bird sightings, August 4, 1981 Correspondence Field notes Bird populations Bird watching Birds--Counting Birds--Research Ornithology--Methodology 1981-08-04 N/A
Field notes contributed by Babs Padelford and Loren Padelford, summer 1981 Field notes Reports Bird watching Birds--Counting Ornithology--Methodology Research 1981-06-01 1981-07-31
Field notes contributed by Robert K. Myers with verifying documentation, summer 1981 Field notes Forms (documents) Reports Bird watching Birds--Counting Birds--Research Ornithology--Methodology Rare birds 1981-07-11 N/A
Field notes contributed by Francis L. Moore with verifying documentation, summer 1981 Field notes Forms (documents) Reports Bird watching Birds--Counting Birds--Nests Birds--Research Tyrannidae | Flycatchers Ornithology--Methodology Rare birds Parulidae | Warblers 1981-07-05 N/A
Field notes contributed by Paul Martsching, summer 1981 Field notes Reports Bird watching Birds--Counting Birds--Research Ornithology--Methodology 1981-06-01 1981-07-31
Darwin Koenig letter to Thomas H. Kent regarding summer bird sightings, July 31, 1981 Correspondence Field notes Bird watching Birds--Counting Birds--Nests Birds--Research Ornithology--Methodology 1981-07-31 N/A
Field notes contributed by Thomas H. Kent with verifying documentation, summer 1981 Field notes Forms (documents) Reports Bird watching Birds--Counting Birds--Research Ornithology--Methodology Rare birds 1981-07-29 N/A
Field notes contributed by Raymond L. Cummins with verifying documentation, summer 1981 Field notes Forms (documents) Reports Bird watching Birds--Counting Birds--Research Ornithology--Methodology Rare birds 1981-07-03 N/A
Field notes contributed by Tanya Bray, summer 1981 Field notes Reports Bird watching Birds--Counting Birds--Research Ornithology--Methodology 1981-06-01 1981-07-31
Field notes contributed by Conrad F. Schlemmer, winter 1981-1982 Field notes Bird feeders Bird watching Birds--Counting 1981-12-01 1982-02-28
Field notes with additional documentation contributed by Barbara L. Wilson, winter 1981-1982 Field notes Bird declines Bird kills Bird watching Birds--Behavior Birds--Counting Birds--Identification Weather 1981-12-01 1982-02-28
Smith's Longspur Survey contributed by Raymond L. Cummins, April 4, 1982 Field notes Bird watching Birds--Counting 1982-04-04 N/A
Field notes contributed by Michael C. Newlon, winter 1981-1982 Field notes Forms (documents) Bird watching Birds--Counting 1981-12-01 1982-02-28
Peter E. Lowther letter to Lawrence Cantera regarding a report of three breeding bird censuses, July 29, 1982 Correspondence Field notes Bird watching Birds--Counting Birds--Habitat Birds--Nests 1982-07-29 N/A