Title Genres Topics Date (Start) Date (End)
Annotated bird sighting list for winter 1980 and 1981 compiled by Sam Blanchard Field notes Surveys (documents) Bird watching 1981-02-20 N/A
Annotated bird sighting list for winter 1980 and 1981 compiled by Thomas H. Kent Field notes Surveys (documents) Bird watching 1981-03-01 N/A
Annotated bird sighting list for Winter 1980-1981 compiled by Pete Petersen Field notes Surveys (documents) Bird banding Bird watching 1980-12-01 1981-02-28
Annotated bird sighting list for winter 1980-1981 compiled by Raymond L. Cummins Field notes Surveys (documents) Bird watching Anseriformes | Ducks, Geese, and Swans Fringillidae | Finches 1981-03-11 N/A
Annotated bird sighting list for winter 1980-1981 compiled by Robert K. Myers Field notes Forms (documents) Bird watching 1981-03-02 N/A
Annotated bird sighting list for Winter 1980-1981 compiled by Ruth Phipps Field notes Surveys (documents) Bird watching 1980-12-01 1981-02-28
Annotated bird sighting list for winter 1980-1981 compiled by Tomma Lou and Randy Maas Field notes Surveys (documents) Bird watching Corvidae | Jays, Crows, and allies Paridae | Titmice Birds--Feeding and feeds Piciformes | Woodpeckers and allies 1981-03-27 N/A
Annotated bird sighting list for Winter 1981 compiled by Hank Zaletel Field notes Surveys (documents) Bird watching Fringillidae | Finches 1981-03-04 N/A
Annotated bird sighting list for Winter compiled by Conrad F. Schlemmer Field notes Surveys (documents) Bird watching Anseriformes | Ducks, Geese, and Swans Fringillidae | Finches 1981-03-01 N/A
Annotated bird sighting list for Winter compiled by Thomas J. Staudt Field notes Surveys (documents) Bird watching Fringillidae | Finches Water birds 1981-02-25 N/A
Annotated bird sighting list, Fall 1980 compiled by Raymond L. Cummins Field notes Surveys (documents) Bird watching 1980-11-26 N/A
Annotated bird sightings list, summer 1979 Checklists Field notes Research notes Bird watching Birds--Counting Icteridae | Blackbirds, Orioles, Meadowlarks, and allies Gruiformes | Cranes, Rails, and Coots Anseriformes | Ducks, Geese, and Swans Tyrannidae | Flycatchers Pelecaniformes | Pelicans, Cormorants, Darters, and Frigate-birds Podicipediformes | Grebes Falconiformes | Hawks, Eagles, Falcons, Osprey, and Vultures Phasianidae | Pheasants, Turkeys, and Grouse Scolopacidae | Sandpipers, Phalaropes, and allies Charadriiformes | Shore-birds, Gulls, and Auks Fringillidae | Finches Hirundinidae | Swallows Parulidae | Warblers Piciformes | Woodpeckers and allies Apodiformes | Swifts and Hummingbirds Cuculiformes | Cuckoos, Roadrunners, and Anis 1979-06-01 1979-07-31
Annotated copy of Polk County check-list of the observations of members of the Des Moines Audubon Society, 1953 Checklists Field notes Bird watching Birds--Migration Birds--Research 1938-11-17 1959-12-31
Annotated copy of Polk County check-list of the observations of members of the Des Moines Audubon Society, 1959 Checklists Field notes Maps (documents) Bird watching Birds--Migration Birds--Research 1949-06-05 1973-04-17
April 1993 field report, Randy Pinkston Field notes Bird watching 1993-04-01 1993-04-30
Arrival dates of water birds Research notes Bird watching Birds--Geographical distribution Birds--Migration Charadriiformes | Shore-birds, Gulls, and Auks Water birds N/A N/A
Arthur Bent letter to Mrs. J. E. Stewart regarding "Birds of Polk County, Iowa", November 30, 1931 Correspondence Ornithology--Methodology Ornithological literature English language--Homonyms 1931-11-30 N/A
Audubon field notes contributed by Woodward H. Brown, August 16, 1966 Field notes Bird watching Birds--Research Accipitridae | Hawks and Eagles Ciconiiformes | Herons, Bitterns, Egrets, Ibises, and Storks Ornithology--Methodology Parulidae | Warblers 1966-08-16 N/A
Audubon field notes contributed by Woodward H. Brown, June 6, 1966 Field notes Bird watching Birds--Migration Birds--Research Tyrannidae | Flycatchers Ornithology--Methodology Charadriiformes | Shore-birds, Gulls, and Auks Vireonidae | Vireos Parulidae | Warblers Weather 1966-06-06 N/A
Audubon field notes for Des Moines, winter 1963-1964 Field notes Bird declines Bird populations Bird watching Birds--Migration Birds--Research Ornithology--Methodology 1963-12-01 1964-02-28
Audubon field notes for fall migration, 1965 contributed by Woodward H. Brown Field notes Bird populations Bird watching Birds--Migration Charadriiformes | Shore-birds, Gulls, and Auks Weather 1965-08-01 1965-11-30
Audubon field notes for Iowa, fall 1966 Correspondence Field notes Bird watching Birds--Identification Birds--Migration Birds--Research Ornithology--Methodology Fringillidae | Finches 1966-08-01 1966-11-30
Audubon field notes for spring 1964 migration contributed by Woodward H. Brown, June 7, 1964 Field notes Bird populations Bird watching Birds--Migration Birds--Research Ornithology--Methodology 1964-06-07 N/A
Audubon field notes for spring 1967 contributed by Frederick W. Kent Clippings (information artifacts) Correspondence Field notes Bird watchers Bird watching Birds--Migration Birds--Research Parulidae | Warblers 1967-03-01 1967-05-31
Audubon field notes for summer 1965 contributed by Frederick W. Kent Field notes Bird populations Bird watching Birds--Migration Laniidae | Shrikes 1965-06-01 1965-07-31