Title Genres Topics Date (Start) Date (End)
Field notes contributed by Dennis Thompson, summer 1997 Field notes Reports Bird declines Bird populations Bird watching Birds--Counting 1997-06-01 1997-07-31
Field notes contributed by Dennis Thompson, fall 1997 Field notes Reports Bird populations Bird watching Birds--Counting 1997-08-01 1997-11-30
Field notes contributed by Dennis L. Carter, December 1, 1997 Field notes Reports Bird feeders Bird populations Bird watching 1997-12-01 N/A
Field notes contributed by Dennis Thompson, summer 2000 Field notes Bird populations Bird watching Birds--Counting 2000-06-01 2000-07-31
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
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
Instructional materials and reporting forms for the Iowa Breeding Bird Atlas Project Forms (documents) Instructional materials Maps (documents) Bird populations Bird surveys Birds--Geographical distribution Ornithology--Methodology 1980-01-01 1989-12-31
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