Title Genres Topics Date (Start) Date (End)
Gladys Black letter to Nicholas S. Halmi regarding Snowy Owl count, February 1, 1977 Correspondence Field notes Bird populations Bird watching Birds--Counting Birds--Research 1977-02-01 N/A
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
Field notes for Riverton Wildlife Management Area and southwest Iowa contributed by Marie Spears, February 14, 1977 Field notes Bird populations Bird watching Accipitridae | Hawks and Eagles 1977-02-14 N/A
John Van Dyk letter to Nicholas S. Halmi regarding bird sightings, February 12, 1977 Correspondence Field notes Bird populations Bird watching Rare birds 1977-02-12 N/A
Field notes contributed by Peter C. Petersen, summer 1992 Field notes Reports Bird populations Bird watching Birds--Behavior Birds--Counting Birdsongs 1992-06-01 1992-07-31
Field notes contributed by Sharon Laub, summer 1992 Field notes Forms (documents) Bird populations Bird watching Birds--Counting Birds--Nests 1992-06-01 1992-07-31
Field reports form for submitting seasonal observations of Iowa birds, Matthew Kenne, summer 1992 Field notes Forms (documents) Bird feeders Bird populations Bird watching Birds--Counting Birds--Identification Birds--Nests Birdsongs Anseriformes | Ducks, Geese, and Swans Scolopacidae | Sandpipers, Phalaropes, and allies Parulidae | Warblers Weather 1992-06-01 1992-07-31
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 Bery Engebretsen, summer 1992 Field notes Bird populations Bird watching Birds--Identification Birds--Nests Scolopacidae | Sandpipers, Phalaropes, and allies Vireonidae | Vireos 1992-06-01 1992-07-31
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 notes contributed by Peter C. Petersen, fall 1987 Field notes Reports Bird populations Bird watching Birds--Counting Birds--Identification Laridae | Gulls and Terns Scolopacidae | Sandpipers, Phalaropes, and allies Parulidae | Warblers Emberizidae | Sparrows 1987-08-01 1987-11-30
J. Donald Gillaspey letter to Carl J. Bendorf regarding fall bird sightings, November 27, 1987 Correspondence Field notes Bird banding Bird populations Bird watching Birds--Feeding and feeds 1987-11-27 N/A
Field notes contributed by Judith Carlson, fall 1987 Field notes Forms (documents) Bird populations Bird watching Birds--Counting Birds--Infancy 1987-08-01 1987-11-30
Woodcocks increasing in numbers Press releases Bird populations Birds--Geographical distribution Wildlife conservation 1935-01-31 N/A
Press release for Breeding Bird Atlas Project Press releases Bird populations Bird surveys Birds--Conservation Environmental monitoring 1987-03-01 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
Documents regarding the Breeding Bird Atlas project Administrative records Printed ephemera Maps (documents) Bird populations Bird surveys Environmental monitoring 1991-10-09 N/A
Letter to Carol A. Thompson regarding work on Breeding Bird Atlas, October 22, 1991 Correspondence Research notes Bird populations Bird surveys Environmental monitoring 1991-10-22 N/A
Barred owl Maps (documents) Bird populations Bird surveys Environmental monitoring 1990-01-01 1991-12-31
Letter to Carol A. Thompson regarding work on Breeding Bird Atlas, October 11, 1991 Correspondence Research notes Bird populations Bird surveys Environmental monitoring 1991-10-11 N/A
Breeding Bird Atlas results Research notes Bird populations Bird surveys Environmental monitoring 1991-09-10 N/A
Breeding Bird Atlas update Research notes Bird populations Bird surveys Environmental monitoring 1990-05-11 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
Breeding Bird Atlas block research data Research notes Bird populations Bird surveys Birds--Counting Environmental monitoring 1990-01-01 1991-12-31
Bruce Ehresman letter to the Breeding Bird Atlas coordinator, December 5, 1990 Correspondence Bird populations Bird surveys Environmental monitoring 1990-12-05 N/A