Title Genres Topics Date (Start) Date (End)
Christmas bird count data report and W. Ross Silcock note to Thomas H. Kent, winter 1987-1988 Correspondence Field notes Birds--Research Ornithology--Methodology Ornithology--Societies, etc 1987-12-01 1988-02-28
Christmas Bird Count details, Peter C. Petersen, December 1988 Field notes Bird feeders Birds--Identification Rare birds 1988-12-18 1988-12-26
Christmas census, Des Moines Audubon Society, December 26, 1925 Field notes Reports Drafts (documents) Bird surveys Bird watching Birds--Counting Weather 1925-12-26 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
Chuck Williamson email to Jim Fuller, December 7, 1990 Field notes Bird watching Birds--Behavior Birds--Identification Birds--Migration 1990-12-07 N/A
Clarice Watson letter to Vernon M. Kleen regarding bird sightings, July 12, 1980 Correspondence Field notes Bird watching Birds--Counting Birds--Nests Birdsongs Birds--Infancy Birds--Feeding and feeds 1980-07-12 N/A
Clem Klaphake note to Mark Orsag regarding Prairie Falcon sighting Correspondence Field notes Bird watching Birds--Identification 1999-08-01 1999-11-30
Comments on a White-winged Dove sighting compiled by James J. Dinsmore, July 19, 2000 Field notes Bird watching Birds--Identification Rare birds 2000-07-19 N/A
Compiled rare bird reports featuring the Ruby-crowned Kinglet near Solon in unknown year Administrative reports Field notes Birds--Identification Ornithology--Societies, etc Rare birds N/A N/A
Compiled supporting documentation for the Iowa Ornithologists' Union, Quarterly field report, Spring 1970. Correspondence Field notes Bird watching Birds--Migration Weather 1970-03-01 1970-06-14
Conrad F. Schlemmer letter to Nicholas S. Halmi regarding bird sightings, December 4, 1978 Correspondence Field notes Bird watching 1978-12-04 N/A
Conrad F. Schlemmer letter to Nicholas S. Halmi regarding bird sightings, June 14, 1978 Correspondence Field notes Bird watching Rare birds 1978-06-14 N/A
Conrad F. Schlemmer letter to Nicholas S. Halmi regarding spring bird sightings, April 22, 1979 Correspondence Field notes Bird watching Birds--Migration Phalacrocoracidae | Cormorants Water birds 1979-04-22 N/A
Correction: Spring 1985 Field notes Bird watching 1985-08-01 1985-11-30
Corrections of data in spring 1994 field report Field notes Bird watching 1994-08-01 1994-11-30
Corrections to Fall 1984 Field reports Field notes Bird watching 1985-08-01 1985-11-30
Council Bluffs, Iowa spring 1975 migration report Field notes Bird watching Birds--Migration Birds--Research Ornithology--Methodology 1975-03-01 1975-05-31
Curt Nelson letter to Thomas H. Kent regarding a bird sighting, May 27, 1980 Correspondence Field notes Bird watching Birds--Behavior Weather 1980-05-27 N/A
Curtis E. Krieger letter to Nicholas S. Halmi regarding his sighting of a Northern Shrike, November 22, 1977 Correspondence Field notes Bird watching 1977-11-22 N/A
Daily field checking list by Walter Rosene, 1936 Checklists Field notes Bird watching Icteridae | Blackbirds, Orioles, Meadowlarks, and allies Anseriformes | Ducks, Geese, and Swans Laridae | Gulls and Terns Accipitridae | Hawks and Eagles Scolopacidae | Sandpipers, Phalaropes, and allies Turdidae | Thrushes Vireonidae | Vireos Parulidae | Warblers Troglodytidae | Wrens Strigiformes | Owls Ardeidae | Herons Emberizidae | Sparrows 1936-01-01 1936-12-31
Daily field checking list by Walter Rosene, 1937 Checklists Field notes Bird watching Icteridae | Blackbirds, Orioles, Meadowlarks, and allies Anseriformes | Ducks, Geese, and Swans Accipitridae | Hawks and Eagles Charadriidae | Plovers Scolopacidae | Sandpipers, Phalaropes, and allies Hirundinidae | Swallows Turdidae | Thrushes Vireonidae | Vireos Parulidae | Warblers Troglodytidae | Wrens Piciformes | Woodpeckers and allies Strigiformes | Owls Emberizidae | Sparrows 1937-01-01 1937-12-31
Daily field checking list by Walter Rosene, 1938 Checklists Field notes Bird watching Anseriformes | Ducks, Geese, and Swans Accipitridae | Hawks and Eagles Scolopacidae | Sandpipers, Phalaropes, and allies Hirundinidae | Swallows Turdidae | Thrushes Vireonidae | Vireos Parulidae | Warblers Piciformes | Woodpeckers and allies Emberizidae | Sparrows 1938-01-01 1938-12-31
Daily field checking list by Walter Rosene, 1939 Checklists Field notes Bird watching Anseriformes | Ducks, Geese, and Swans Laridae | Gulls and Terns Falconiformes | Hawks, Eagles, Falcons, Osprey, and Vultures Ciconiiformes | Herons, Bitterns, Egrets, Ibises, and Storks Scolopacidae | Sandpipers, Phalaropes, and allies Hirundinidae | Swallows Turdidae | Thrushes Vireonidae | Vireos Parulidae | Warblers Troglodytidae | Wrens Piciformes | Woodpeckers and allies Strigiformes | Owls Emberizidae | Sparrows 1939-01-01 1939-12-31
Daily field checking list by Walter Rosene, 1940 Checklists Field notes Bird watching Anseriformes | Ducks, Geese, and Swans Tyrannidae | Flycatchers Podicipediformes | Grebes Falconiformes | Hawks, Eagles, Falcons, Osprey, and Vultures Ciconiiformes | Herons, Bitterns, Egrets, Ibises, and Storks Scolopacidae | Sandpipers, Phalaropes, and allies Hirundinidae | Swallows Turdidae | Thrushes Vireonidae | Vireos Parulidae | Warblers Strigiformes | Owls Emberizidae | Sparrows 1940-01-01 1940-12-31
Daily field checking list by Walter Rosene, 1941 Checklists Field notes Bird watching Icteridae | Blackbirds, Orioles, Meadowlarks, and allies Anseriformes | Ducks, Geese, and Swans Laridae | Gulls and Terns Accipitridae | Hawks and Eagles Charadriidae | Plovers Scolopacidae | Sandpipers, Phalaropes, and allies Hirundinidae | Swallows Parulidae | Warblers Piciformes | Woodpeckers and allies Strigiformes | Owls Emberizidae | Sparrows 1941-01-01 1941-12-31