Title Genres Topics Date (Start) Date (End)
Field report, summer 1978 Field notes Bird populations Bird watching Birds--Counting 1978-06-01 1978-07-31
Iowa map with Snowy Owl sightings, 1976-1977 Field notes Maps (documents) Bird populations Bird watching Birds--Counting Birds--Research 1977-01-01 1977-12-31
Field report from Dubuque, June 1977 Field notes Bird populations Bird watching 1977-06-01 1977-06-30
1977 Spring Report, parts I and II Field notes Bird declines Bird populations Bird watching Birds--Migration 1977-03-01 1977-05-31
Field report for Spring, April 1 to May 31, 1977 Field notes Bird declines Bird populations Bird watching Habitat (Ecology) 1977-03-01 1977-05-31
Field records: April 4 through May 30, 1977 Field notes Bird populations Bird watching Charadriiformes | Shore-birds, Gulls, and Auks Parulidae | Warblers 1977-04-04 1977-05-30
Iowa Ornithologists' Union, Quarterly field report, winter 1976-1977 Correspondence Field notes Bird populations Bird watching Birds--Research Winter 1976-12-01 1977-02-28
Field reports for Des Moines winter, 1976-1977 contributed by Woodward H. Brown Field notes Bird populations Bird watching Birds--Research 1976-12-01 1977-02-28
Darwin Koenig letter to Nicholas S. Halmi regarding bird sightings, winter 1976-1977 Correspondence Field notes Bird populations Bird watching 1976-12-01 1977-02-28
Iowa Ornithologists' Union, Quarterly field report, fall 1976 Field notes Bird populations Bird watching Birds--Migration Birds--Research 1976-08-01 1976-11-30
Dean Mosman letter to Nicholas S. Halmi regarding fall migration, 1976 Correspondence Field notes Bird banding Bird populations Bird watching Radio and television tower bird strikes Parulidae | Warblers 1976-08-01 1976-11-30
Field notes fall migration, 1976 Field notes Bird populations Bird watching Birds--Habitat 1976-08-01 1976-11-30
Gladys Black letter to Vernon Kleen regarding Red Rock Refuge and the Evening Grosbeak invasion, February 1976 Correspondence Field notes Maps (documents) Bird populations Bird watching Birds--Counting Birds--Research Ornithology--Methodology 1976-02-01 1976-02-29
Letter from Janet Greer to Vernon M. Kleen reporting a Snowy Egret, May 22, 1974. Correspondence Field notes Bird populations Bird watching Birds--Behavior 1974-03-01 1974-05-31
Letter and bird sighting checklist from Robert and Valerie Jessen to Vernon M. Kleen, spring migration 1974 Checklists Correspondence Field notes Bird banding Bird populations Bird watching Birds--Behavior Birds--Nests Falconiformes | Hawks, Eagles, Falcons, Osprey, and Vultures 1974-03-01 1974-05-31
Nicholas S. Halmi letter to Vernon M. Kleen regarding birds sighted during May-July 1973 Correspondence Field notes Bird populations Bird watching Birds--Behavior Birds--Habitat Rare birds 1973-05-01 1973-07-31
Field notes, winter 1971-72 Field notes Bird populations Bird watching Weather 1971-12-01 1972-02-28
Iowa Ornithologists' Union, Quarterly field report, winter 1966-1967 Field notes Bird populations Bird watching Birds--Research Winter 1966-12-01 1967-02-28
Field notes contributed by Frederick W. Kent, fall 1965 Field notes Bird populations Bird watching Birds--Migration Certhiidae | Creepers Sylviidae | Kinglets and Gnatcatchers Weather 1965-08-01 1965-11-30
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 summer 1965 contributed by Frederick W. Kent Field notes Bird populations Bird watching Birds--Migration Laniidae | Shrikes 1965-06-01 1965-07-31
Joe Kennedy letter to Peter C. Petersen regarding field notes for Des Moines, Iowa for summer, 1965 Field notes Bird declines Bird populations Bird watching Birds--Migration 1965-06-01 1965-07-31
Field notes contributed by Frederick W. Kent for spring, 1965 Field notes Bird populations Bird watching Birds--Migration Rare birds Parulidae | Warblers 1965-03-01 1965-05-31
Field notes for spring migration, 1965 contributed by Woodward H. Brown Field notes Bird populations Bird watching Birds--Migration Charadriiformes | Shore-birds, Gulls, and Auks Fringillidae | Finches Turdidae | Thrushes Parulidae | Warblers Weather 1965-03-01 1965-05-31
Audubon field notes for winter 1964-1965 contributed by Frederick W. Kent Field notes Bird declines Bird populations Bird watching Birds--Migration 1964-12-01 1965-02-28