Title Genres Topics Date (Start) Date (End)
Field notes and Paul Hertzel letter to Thomas H. Kent, June 3, 1992 Correspondence Field notes Bird watching Birds--Eggs Birds--Nests Nest building 1992-06-03 N/A
Field notes contributed by Paul Hertzel, summer 2001 Field notes Bird feeders Bird watching Birds--Nests Birdsongs Birds--Infancy 2001-06-01 2001-07-31
Field notes and Peter C. Petersen letter to James J. Dinsmore, July 28, 1986 Correspondence Field notes Bird feeders Bird watching Birds--Counting Birds--Food Birds--Identification Birds--Nests Birds--Infancy 1986-07-28 N/A
Field notes contributed by Peter C. Petersen, fall 1991 Field notes Bird watching Birds--Counting Birds--Identification Birds--Nests Laridae | Gulls and Terns Scolopacidae | Sandpipers, Phalaropes, and allies Parulidae | Warblers Birds--Infancy 1991-08-01 1991-11-30
Field reports form for submitting seasonal observations of Iowa birds, Peter C. Petersen, spring 1987 Field notes Forms (documents) Bird watching Birds--Nests Birdsongs Laridae | Gulls and Terns Nest building Scolopacidae | Sandpipers, Phalaropes, and allies Troglodytidae | Wrens Birds--Infancy 1987-03-01 1987-05-31
Field notes contributed by Peter C. Petersen, spring 1980 Field notes Forms (documents) Bird banding Bird watching Birds--Counting Birds--Nests Tyrannidae | Flycatchers Scolopacidae | Sandpipers, Phalaropes, and allies Parulidae | Warblers Weather Troglodytidae | Wrens Birds--Feeding and feeds 1980-03-01 1980-05-31
Field notes contributed by Peter Ernzen, summer 1996 Field notes Bird watching Birds--Nests Birdsongs Birds--Infancy 1996-06-01 1996-07-31
Field notes contributed by Ramona R. Sommerlot, fall 1986 Field notes Bird watching Birds--Nests Birds--Infancy 1986-08-01 1986-11-30
Field notes contributed by Randall Pinkston, spring 1992 Field notes Bird watching Birds--Nests Birdsongs 1992-03-01 1992-05-31
Field notes contributed by Raymond L. Cummins, summer 1980 Field notes Forms (documents) Bird watching Birds--Counting Birds--Nests Tyrannidae | Flycatchers 1980-06-01 1980-07-31
Field notes contributed by Richard Jule Hollis, spring 1988 Field notes Bird feeders Bird watching Birds--Counting Birds--Identification Birds--Nests 1988-03-01 1988-05-31
Field notes contributed by Richard Jule Hollis, spring 1987 Field notes Bird watching Birds--Counting Birds--Identification Birds--Nests Birds--Research Nest building 1987-03-01 1987-05-31
Field reports form for submitting seasonal observations of Iowa birds, Rita Goranson, spring 1992 Field notes Forms (documents) Bird feeders Bird watching Birds--Nests Birds--Infancy 1992-03-01 1992-05-31
Field reports form for submitting seasonal observations of Iowa birds, Robert I. Cecil, summer 1988 Field notes Forms (documents) Bird watching Birds--Eggs Birds--Nests Birdsongs Birds--Infancy 1988-06-01 1988-07-31
Field notes contributed by Robert K. Myers, fall 1986 Field notes Forms (documents) Bird feeders Bird watching Birds--Identification Birds--Nests 1986-08-01 1986-11-30
Field notes contributed by Robert K. Myers, summer 1986 Field notes Forms (documents) Bird watching Birds--Counting Birds--Identification Birds--Nests Birdsongs Parulidae | Warblers Birds--Infancy 1986-06-01 1986-07-31
Field reports form for submitting seasonal observations of Iowa birds, Robert VanErsvelde and Connie VanErsvelde, summer 2001 Field notes Forms (documents) Bird feeders Bird watching Birds--Eggs Birds--Nests Birdsongs Birds--Infancy 2001-06-01 2001-07-31
Field reports form for submitting seasonal observations of Iowa birds, Robert VanErsvelde and Connie VanErsvelde, summer 2004 Field notes Forms (documents) Bird watching Birds--Counting Birds--Identification Birds--Nests Birds--Infancy Birds--Feeding and feeds 2004-06-01 2004-07-31
Field notes contributed by several observers, summer 1988 Field notes Bird watching Birds--Counting Birds--Identification Birds--Nests 1988-06-01 1988-07-31
Field notes contributed by Sharon Laub, summer 1986 Field notes Bird watching Birds--Identification Birds--Nests Birds--Infancy 1986-06-01 1986-07-31
Field notes contributed by Sharon Laub, summer 1991 Field notes Forms (documents) Bird feeders Bird watching Birds--Counting Birds--Identification Birds--Nests 1991-06-01 1991-07-31
Field notes contributed by Sharon Laub, spring 1992 Field notes Forms (documents) Bird watching Birds--Eggs Birds--Nests Emberizidae | Sparrows 1992-03-01 1992-05-31
Field notes contributed by Stephen J. Dinsmore, spring 1988 Field notes Bird watchers Bird watching Birds--Nests Birdsongs Anseriformes | Ducks, Geese, and Swans Vireonidae | Vireos Parulidae | Warblers Birds--Infancy 1988-03-01 1988-05-31
Field notes contributed by Stephen J. Dinsmore , summer 1991 Field notes Bird watching Birds--Counting Birds--Identification Birds--Nests Nest building Parulidae | Warblers Birds--Infancy 1991-06-01 1991-07-31
Field notes contributed by Stephen J. Dinsmore, summer 1988 Field notes Bird watching Birds--Eggs Birds--Food Birds--Nests Birdsongs Anseriformes | Ducks, Geese, and Swans Scolopacidae | Sandpipers, Phalaropes, and allies Birds--Infancy 1988-06-01 1988-07-31