Title Genres Topics Date (Start) Date (End)
Field notes contributed by Carl J. Bendorf, spring 1980 Field notes Reports Bird watching Birds--Counting Birds--Research Ornithology--Methodology 1980-03-01 1980-05-31
Walter Rosene letter to the United States Bureau of Biological Survey regarding bird observations from a trip to North Dakota, May 1, 1925 Correspondence Field notes Bird watching Birds--Migration Birds--Research Icteridae | Blackbirds, Orioles, Meadowlarks, and allies Anseriformes | Ducks, Geese, and Swans Laridae | Gulls and Terns Hirundinidae | Swallows Vireonidae | Vireos Troglodytidae | Wrens Emberizidae | Sparrows 1925-05-01 N/A
Walter Rosene bird sighting records Field notes Bird watching Birds--Research Icteridae | Blackbirds, Orioles, Meadowlarks, and allies Anseriformes | Ducks, Geese, and Swans Ciconiiformes | Herons, Bitterns, Egrets, Ibises, and Storks Scolopacidae | Sandpipers, Phalaropes, and allies Vireonidae | Vireos Parulidae | Warblers Piciformes | Woodpeckers and allies Emberizidae | Sparrows N/A N/A
Walter Rosene letter to the United States Bureau of Biological Survey regarding a 1925 bird migration report, January 18, 1926 Correspondence Field notes Bird watching Birds--Migration Birds--Research Ornithology--Methodology Scolopacidae | Sandpipers, Phalaropes, and allies Vireonidae | Vireos Parulidae | Warblers Emberizidae | Sparrows 1926-01-18 N/A
Walter Rosene 1924 bird sighting records Field notes Bird watching Birds--Research Icteridae | Blackbirds, Orioles, Meadowlarks, and allies Anseriformes | Ducks, Geese, and Swans Laridae | Gulls and Terns Accipitridae | Hawks and Eagles Scolopacidae | Sandpipers, Phalaropes, and allies Hirundinidae | Swallows Vireonidae | Vireos Parulidae | Warblers Piciformes | Woodpeckers and allies Strigiformes | Owls Emberizidae | Sparrows 1924-01-01 1924-12-31
Walter Rosene bird sighting records Field notes Bird watching Birds--Research Icteridae | Blackbirds, Orioles, Meadowlarks, and allies Anseriformes | Ducks, Geese, and Swans Accipitridae | Hawks and Eagles Hirundinidae | Swallows Vireonidae | Vireos Parulidae | Warblers Strigiformes | Owls Emberizidae | Sparrows N/A N/A
Walter Rosene 1923 bird sighting records Field notes Bird watching Birds--Research Icteridae | Blackbirds, Orioles, Meadowlarks, and allies Anseriformes | Ducks, Geese, and Swans Falconiformes | Hawks, Eagles, Falcons, Osprey, and Vultures Hirundinidae | Swallows Turdidae | Thrushes Vireonidae | Vireos Parulidae | Warblers Piciformes | Woodpeckers and allies Strigiformes | Owls Emberizidae | Sparrows 1923-01-01 1923-12-31
Red-shouldered Hawk sighting notes Field notes Research notes Bird watching Birds--Geographical distribution Birds--Research 1970-01-01 1971-12-31
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
Spring 1999 late reports, June 17, 1999 Field notes Bird watching Birds--Research Ornithology--Methodology 1999-06-17 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
Iowa Ornithologists' Union, Quarterly field report, spring 1980 Field notes Bird watching Birds--Counting Birds--Research Ornithology--Methodology Weather 1980-03-01 1980-05-31
Woodward H. Brown letter to Peter C. Petersen regarding Aubudon field notes, December 9, 1964 Correspondence Field notes Bird populations Bird watching Birds--Research Ornithology--Methodology Charadriiformes | Shore-birds, Gulls, and Auks 1964-12-09 N/A
Florence McCaughey letter regarding fall bird migration, November 25, 1964 Correspondence Field notes Bird populations Bird watching Birds--Migration Birds--Research Ornithology--Methodology Parulidae | Warblers 1964-11-25 N/A
Iowa Ornithologists' Union, Quarterly field report, fall 1964 Field notes Bird watching Birds--Migration Birds--Research Ornithology--Methodology Weather 1964-08-01 1964-11-30
Audubon field notes summer migration 1964 contributed by Woodward H. Brown Field notes Bird declines Bird populations Bird watching Birds--Migration Birds--Nests Birds--Research Ornithology--Methodology Weather 1964-06-01 1964-07-31
Pearl Knoop letter to Peter C. Petersen regarding nesting season, August 21, 1964 Correspondence Field notes Bird watching Birds--Migration Birds--Nests Birds--Research Ornithology--Methodology 1964-08-21 N/A
Audubon field notes for winter migration 1963-1964 contributed by Frederick W. Kent Field notes Bird populations Bird watching Birds--Migration Birds--Research Ornithology--Methodology Weather 1963-12-01 1964-02-28
Eldon J. Bryant letter to Woodward H. Brown regarding spring migration, May 17, 1964 Correspondence Field notes Bird populations Bird watching Birds--Migration Birds--Research Ornithology--Methodology 1964-05-17 N/A
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
Pearl Knoop letter to Peter C. Petersen regarding bird sightings, June 10, 1964 Correspondence Field notes Bird populations Bird watching Birds--Migration Birds--Research Ornithology--Methodology 1964-06-10 N/A
Iowa Ornithologists' Union, Quarterly field report, spring 1964 Field notes Bird watching Birds--Research Ornithology--Methodology 1964-03-01 1964-05-31