Title Genres Topics Date (Start) Date (End)
Walter Rosene interview with WHO Radio Interviews Bird declines Bird populations Birds--Extinction Birds--Migration Extinct birds N/A 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
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
Instructional materials and reporting forms for the Iowa Breeding Bird Atlas Instructional materials Bird populations Bird surveys Environmental monitoring N/A N/A
Document regarding the Iowa Breed Bird Atlas Project Administrative records Bird populations Bird surveys Ornithology--Methodology Environmental monitoring Publishers and publishing N/A N/A
The Iowa Breeding Bird Atlas Project Administrative reports Maps (documents) Bird populations Bird surveys Ornithology--Methodology Environmental monitoring Publishers and publishing N/A N/A
Johnson-Cedar Counties Breeding Bird Atlas newsletter Serials (publications) Bird populations Bird surveys Environmental monitoring N/A N/A
Johnson-Cedar County Breeding Bird Atlas newsletter Serials (publications) Bird populations Bird surveys Environmental monitoring N/A N/A
Johnson-Cedar Co. Breeding Bird Atlas newsletter Serials (publications) Bird populations Bird surveys Environmental monitoring N/A N/A
Johnson-Cedar County breeding bird newsletter Serials (publications) Bird populations Bird surveys Environmental monitoring N/A N/A
1978 fall report Field notes Bird populations Bird watching Birds--Counting Birds--Migration Parulidae | Warblers 0198-08-01 1978-11-30
A Revised list of the Birds of Iowa Drafts (documents) Articles Bird populations Birds--Geographical distribution 1933-11-25 N/A
Woodcocks increasing in numbers Press releases Bird populations Birds--Geographical distribution Wildlife conservation 1935-01-31 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
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
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
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 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 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
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