Title Genres Topics Date (Start) Date (End)
Gladys Black letter to Nicholas S. Halmi regarding the large population of Evening Grosbeak's, November 16, 1977 Correspondence Field notes Bird feeders Bird populations Bird watching Birds--Counting Birds--Food Birds--Research 1977-11-16 N/A
Field notes and letter to James J. Dinsmore contributed by Tanya Bray, July 31, 1989 Correspondence Field notes Reports Bird populations Birds--Counting Weather 1989-07-31 N/A
Field notes contributed by Dennis L. Carter, August 3, 1992 Field notes Reports Bird populations Bird watching Birds--Counting Birdsongs Tyrannidae | Flycatchers Ciconiiformes | Herons, Bitterns, Egrets, Ibises, and Storks Parulidae | Warblers 1992-08-03 N/A
Field reports form for submitting seasonal observations of Iowa birds and letter to James J. Dinsmore contributed by Douglas C. Harr, July 31, 1992 Correspondence Field notes Forms (documents) Bird populations Bird watching Birds--Counting Birds--Migration Birds--Nests Rare birds Weather 1992-07-31 N/A
Field notes contributed by Dennis L. Carter, August 2, 1993 Field notes Reports Bird populations Bird watching Birds--Counting Birds--Nests Birdsongs Anseriformes | Ducks, Geese, and Swans Birds--Infancy 1993-08-02 N/A
Field notes contributed by Dennis L. Carter, December 1, 1997 Field notes Reports Bird feeders Bird populations Bird watching 1997-12-01 N/A
Birds and bridges survey Questionnaires Bird populations Bird surveys Birds--Research Ornithology--Methodology N/A N/A
Habitat selection by Dickcissels survey Instructions (document genre) Questionnaires Bird populations Bird surveys Birds--Counting Birds--Habitat Birds--Research Ornithology--Methodology N/A N/A
Smith's Longspur survey Questionnaires Bird populations Bird surveys Birds--Migration Birds--Research Ornithology--Methodology N/A N/A
Iowa Ornithologists' Union programs Administrative reports Bird populations Bird surveys Birds--Research Ornithology--Methodology N/A N/A
Iowa Ornithologists' Union programs, comments and analysis Administrative reports Bird populations Birds--Habitat Birds--Research Ornithology--Methodology Laniidae | Shrikes Fringillidae | Finches Birds--Feeding and feeds N/A N/A
Walter Rosene interview with WHO Radio Interviews Bird declines Bird populations Birds--Extinction Birds--Migration Extinct birds N/A N/A
Woodward H. Brown letter to Iowa Ornithologists Union members regarding Red-shouldered Hawk and Red-tailed Hawk populations Correspondence Bird populations Bird surveys Birds--Research N/A N/A
C. A. Stewart letter to multiple recipients regarding a revised check list for the birds of Iowa, February 3, 1950 Correspondence Forms (documents) Instructional materials Bird populations Bird surveys Bird watching Birds--Identification Ornithology--Methodology 1950-02-03 N/A