Title Genres Topics Date (Start) Date (End)
Iowa Ornithologists' Union, Quarterly field report, winter 1967-1968 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology 1967-12-01 1968-02-28
Spring records for birds sighted in the Iowa City area, 1975 Correspondence Field notes Bird watching Birds--Research Falconiformes | Hawks, Eagles, Falcons, Osprey, and Vultures Ornithology--Methodology Charadriiformes | Shore-birds, Gulls, and Auks Fringillidae | Finches Parulidae | Warblers 1975-03-01 1975-05-31
Robert Jessen letter to Vernon M. Kleen regarding spring birds sighted near Oskaloosa, June 2, 1975 Correspondence Field notes Bird banding Bird watching Birds--Research Ornithology--Methodology 1975-06-02 N/A
Iowa 1975 spring migration, Red Rock Refuge and Lake Field notes Bird watching Birds--Migration Birds--Research Ornithology--Methodology Rare birds 1975-03-01 1975-05-31
Nicholas S. Halmi letter to Vernon M. Kleen regarding birds sighted near Iowa City during spring migration, June 1, 1975 Correspondence Bird watching Birds--Migration Birds--Research Anseriformes | Ducks, Geese, and Swans Falconiformes | Hawks, Eagles, Falcons, Osprey, and Vultures Ornithology--Methodology Charadriiformes | Shore-birds, Gulls, and Auks 1975-06-01 N/A
Melba Wigg letter and report to Vernon M. Kleen regarding spring migration bird sightings near Council Bluffs, June 6, 1974 Correspondence Field notes Bird watching Birds--Migration Birds--Research Ornithology--Methodology 1974-06-06 N/A
Robert Jessen letter and checklist to Vernon M. Kleen regarding birds sighted during 1974 fall migration, December 1, 1974 Checklists Correspondence Bird watching Birds--Identification Birds--Migration Birds--Research Ornithology--Methodology 1974-08-01 1974-11-30
Nicholas S. Halmi letter to Vernon M. Kleen regarding birds sighted around Iowa City during fall 1974, November 30, 1974 Correspondence Field notes Bird watching Birds--Migration Birds--Research Ornithology--Methodology 1974-11-30 N/A
Nicholas S. Halmi letter to Vernon M. Kleen regarding birds sighted during winter 1972-1973, including rare birds, March 20, 1973 Correspondence Field notes Bird populations Bird watchers Bird watching Birds--Habitat Birds--Migration Ornithology--Methodology Rare birds Country life 1973-03-20 N/A
Gladys Black letter to Vernon M. Kleen regarding her sighting of Clark's Nutcracker, March 5, 1973 Correspondence Bird watching Birds--Research Ornithology--Methodology 1973-03-05 N/A
Iowa Ornithologists' Union, Quarterly field report, fall 1973 Field notes Bird watching Birds--Migration Birds--Research Ornithology--Methodology 1973-08-01 1973-11-30
Lake Red Rock and Red Rock Refuge, fall migration, 1973 Field notes Bird watching Birds--Migration Birds--Research Ornithology--Methodology 1973-08-01 1973-11-30
Dorothy Franek letter to Peter C. Peterson regarding her first winter bird population study, March 10, 1969 Correspondence Bird watching Birds--Identification Ornithology--Methodology Weather 1969-01-01 1969-03-31
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
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
Woodward H. Brown postcard to Peter C. Petersen regarding the sighting of a female Oldsquaw and an Ani in Cedar Rapids, December 12, 1966 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology 1966-12-12 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
Field notes contributed by Frederick W. Kent for spring 1966 Field notes Bird watching Birds--Migration Birds--Research Anseriformes | Ducks, Geese, and Swans Ornithology--Methodology Charadriiformes | Shore-birds, Gulls, and Auks Parulidae | Warblers Weather 1966-03-01 1966-05-31
Woodward H. Brown letter to Peter C. Petersen regarding winter migration, April 2, 1966 Correspondence Field notes Bird watching Birds--Migration Birds--Research Ornithology--Methodology 1966-04-02 N/A
Woodward H. Brown letter to Peter C. Petersen regarding winter migration, March 19, 1966 Correspondence Field notes Bird watching Birds--Migration Birds--Research Columbiformes | Doves and Pigeons Sittidae | Nuthatches Ornithology--Methodology 1966-03-19 N/A
Iowa Ornithologists' Union, Quarterly field report, winter 1966 Field notes Bird watching Birds--Migration Birds--Research Ornithology--Methodology Weather 1966-12-01 1967-02-28
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