Title Genres Topics Date (Start) Date (End)
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
Christmas count, 1980-81 Field notes Reports Bird populations Bird surveys Bird watching Birds--Counting Birds--Identification Winter Citizen science 1980-12-20 1981-01-04
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
Bruce Ehresman letter to the Breeding Bird Atlas coordinator, December 5, 1990 Correspondence Bird populations Bird surveys Environmental monitoring 1990-12-05 N/A
Breeding Bird Atlas update Research notes Bird populations Bird surveys Environmental monitoring 1990-05-11 N/A
Breeding Bird Atlas results Research notes Bird populations Bird surveys Environmental monitoring 1991-09-10 N/A
Breeding Bird Atlas research notes through 1988 Maps (documents) Research notes Bird populations Birds--Counting Birds--Habitat Birds--Identification Ornithology--Societies, etc 1988-01-01 1988-12-31
Breeding Bird Atlas notes Bird populations Bird surveys Environmental monitoring 1994-01-01 1996-12-31
Breeding Bird Atlas meeting notes, July 28, 1992 Administrative records Bird populations Bird surveys Meetings Environmental monitoring 1992-07-28 N/A
Breeding Bird Atlas meeting notes, December, 9, 1995 Administrative records Bird populations Bird surveys Environmental monitoring 1995-12-09 N/A
Breeding Bird Atlas meeting notes, December 9, 1994 Administrative records Bird populations Bird surveys Meetings Environmental monitoring 1994-12-09 N/A
Breeding Bird Atlas meeting notes, August 26, 1994 Administrative records Bird populations Bird surveys Meetings Environmental monitoring 1994-08-26 N/A
Breeding Bird Atlas meeting minutes Administrative records Bird populations Bird surveys Environmental monitoring 1994-01-01 1994-10-31
Breeding Bird Atlas history Administrative records Bird populations Bird surveys Environmental monitoring 1991-01-01 1991-12-31
Breeding Bird Atlas block research data Research notes Bird populations Bird surveys Birds--Counting Environmental monitoring 1990-01-01 1991-12-31
Birds and bridges survey Questionnaires Bird populations Bird surveys Birds--Research Ornithology--Methodology N/A N/A
Bird species confirmed nesting in Iowa for Iowa Breeding Bird Atlas Research notes Bird populations Bird surveys Birds--Counting Environmental monitoring 1990-05-30 N/A
Bird sighting checklist, fall 1979 Checklists Field notes Bird populations Bird watching Birds--Identification 1979-08-01 1979-11-30
Big Bluestem Flyer, Volume 32, Number 3, January/February 1997 Forms (documents) Newsletters Bird feeders Bird populations Bird surveys Bird watching Birds--Conservation Birds--Counting Ornithology--Societies, etc Books--Reviews 1997-01-01 1997-02-28
Big Bluestem Flyer, Volume 30, Number 4, January 1995 Forms (documents) Newsletters Bird feeders Bird populations Bird surveys Bird watching Birds--Counting Environmental policy Ornithology--Societies, etc 1995-01-01 1995-01-31
Big Bluestem Flyer, Volume 28, Number 2, October 1992 Newsletters Bird populations Bird watching Birds--Geographical distribution Ornithology--Societies, etc Birds--Feeding and feeds 1992-10-01 1992-10-31
Barred owl Maps (documents) Bird populations Bird surveys Environmental monitoring 1990-01-01 1991-12-31
Barbara L. Wilson letter to Thomas H. Kent regarding winter bird sightings and the Hairy Woodpecker population, February 28, 1983 Correspondence Field notes Forms (documents) Bird populations Bird watching Birds--Counting Birds--Migration Anseriformes | Ducks, Geese, and Swans Weather Emberizidae | Sparrows 1983-02-28 N/A
Barbara L. Wilson letter to Thomas H. Kent regarding summer bird sightings and populations, July 31, 1981 Correspondence Field notes Forms (documents) Bird populations Bird watching Birds--Counting Birds--Nests Birds--Research Ornithology--Methodology Weather 1981-07-31 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