Title Genres Topics Date (Start) Date (End)
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
A Revised list of the Birds of Iowa Drafts (documents) Articles Bird populations Birds--Geographical distribution 1933-11-25 N/A
1977 Spring Report, parts I and II Field notes Bird declines Bird populations Bird watching Birds--Migration 1977-03-01 1977-05-31
Iowa Ornithologists' Union, Quarterly field report, fall 1976 Field notes Bird populations Bird watching Birds--Migration Birds--Research 1976-08-01 1976-11-30
Ron Muilenburg letter to Nicholas S. Halmi regarding bird sightings, June 8, 1977 Correspondence Field notes Bird populations Bird watching Birds--Migration 1977-06-08 N/A
Walter Rosene interview with WHO Radio Interviews Bird declines Bird populations Birds--Extinction Birds--Migration Extinct birds N/A N/A
Meeting agenda for the Breeding Bird Atlas Committee, December 15, 1991 Administrative records Bird populations Bird surveys Meetings Environmental monitoring 1991-12-15 N/A
Smith's Longspur survey Questionnaires Bird populations Bird surveys Birds--Migration 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
Birds and bridges survey Questionnaires Bird populations Bird surveys 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
Iowa Bluebird Directory 1990, Bluebird Recovery Program Maps (documents) Reports Charts (graphic documents) Bird populations Bird watchers Birds--Conservation Birds--Nests Birdhouses--Design and construction Predatory animals Wildlife reintroduction Insect pests--Control 1990-01-01 1990-12-31
1978 fall report Field notes Bird populations Bird watching Birds--Counting Birds--Migration Parulidae | Warblers 0198-08-01 1978-11-30