Title Genres Topics Date (Start) Date (End)
Field notes contributed by Diane C. Porter, August 1, 1991 Field notes Forms (documents) Bird watching Birdsongs Weather Birds--Infancy Birds--Feeding and feeds 1991-08-01 N/A
Field notes contributed by Diane C. Porter, August 3, 2000 Field notes Bird watching Birds--Counting Birds--Eggs 2000-08-03 N/A
Field notes contributed by Diane C. Porter, December 2, 1996 Field notes Bird watching Birds--Counting Parulidae | Warblers Birds--Infancy 1996-12-02 N/A
Field notes contributed by Diane C. Porter, June 1, 1992 Field notes Bird feeders Bird watching Birds--Nests Birdsongs Parulidae | Warblers Birds--Infancy Eggs--Incubation Emberizidae | Sparrows 1992-06-01 N/A
Field notes contributed by Diane C. Porter, May 31, 1997 Field notes Bird watching Birds--Nests Birdsongs Parulidae | Warblers Emberizidae | Sparrows 1997-05-31 N/A
Field notes contributed by Dick Bierman, Cherokee, Iowa, fall 1984 Field notes Forms (documents) Bird banding Bird watching 1984-08-01 1984-11-30
Field notes contributed by Dick Bierman, Cherokee, Iowa, spring 1984 Field notes Forms (documents) Bird watching Birds--Research 1984-03-01 1984-05-31
Field notes contributed by Dick Bierman, Cherokee, Iowa, winter 1983-1984 Field notes Bird watching 1983-12-01 1984-02-28
Field notes contributed by Dick Bierman, December 2, 1993 Field notes Reports Bird watching Birds--Counting Birds--Identification 1993-12-02 N/A
Field notes contributed by Dick Bierman, fall 1986 Field notes Bird watching Birds--Identification Birds--Migration 1986-08-01 1986-11-30
Field notes contributed by Dick Bierman, fall 1987 Field notes Reports Bird watching Birds--Counting Birds--Nests Weather 1987-08-01 1987-11-30
Field notes contributed by Dick Bierman, fall 1992 Field notes Forms (documents) Bird feeders Bird watching Birds--Counting Birds--Identification 1992-08-01 1992-11-30
Field notes contributed by Dick Bierman, fall 1995 Field notes Forms (documents) Bird feeders Bird watching Birds--Counting Birds--Identification 1995-08-01 1995-11-30
Field notes contributed by Dick Bierman, February 24, 1982 Field notes Bird watching 1982-02-24 N/A
Field notes contributed by Dick Bierman, July 28, 1980 Field notes Bird watching Birds--Counting Birds--Nests Birdsongs Songbirds 1980-07-28 N/A
Field notes contributed by Dick Bierman, spring 1980 Field notes Reports Bird watching Birds--Counting Birds--Nests Birds--Research Ornithology--Methodology Turdidae | Thrushes 1980-03-01 1980-05-31
Field notes contributed by Dick Bierman, spring 1982 Field notes Forms (documents) Bird watching Birds--Nests 1982-03-01 1982-05-31
Field notes contributed by Dick Bierman, spring 1983 Field notes Forms (documents) Reports Bird watching Birds--Counting Birds--Migration Birds--Research Ornithology--Methodology Parulidae | Warblers Weather 1983-03-01 1983-05-31
Field notes contributed by Dick Bierman, spring 1987 Field notes Forms (documents) Bird watching Birds--Nests Weather 1987-03-01 1987-05-31
Field notes contributed by Dick Bierman, spring 1988 Field notes Forms (documents) Bird watching Birds--Eggs Birds--Nests 1988-03-01 1988-05-31
Field notes contributed by Dick Bierman, summer 1981 Field notes Reports Bird watching Birds--Counting Birds--Nests Birds--Research Ornithology--Methodology 1981-06-01 1981-07-31
Field notes contributed by Dick Bierman, summer 1985 Field notes Forms (documents) Bird watching Birds--Nests Birds--Infancy 1985-06-01 1985-07-31
Field notes contributed by Dick Bierman, summer 1989 Field notes Forms (documents) Bird banding Bird populations Bird watching Birds--Counting Birds--Nests 1989-06-01 1989-07-31
Field notes contributed by Dick Bierman, summer 1991 Field notes Forms (documents) Bird watching 1991-06-01 1991-07-31
Field notes contributed by Dick Bierman, summer 1993 Field notes Forms (documents) Bird banding Bird declines Bird watching Birds--Counting Birds--Nests Birds--Infancy 1993-06-01 1993-07-31