Title Genres Topics Date (Start) Date (End)
Field notes contributed by Bery Engebretsen, December 1, 1991 Field notes Bird feeders Bird watching Birds--Counting Birds--Identification Laridae | Gulls and Terns 1991-12-01 N/A
Field notes contributed by Bery Engebretsen, spring 1992 Field notes Bird watching Birds--Counting Birds--Nests 1992-03-01 1992-05-31
Field notes contributed by Bery Engebretsen, spring 1996 Field notes Reports Bird watching Birds--Counting Birds--Identification Turdidae | Thrushes Parulidae | Warblers Songbirds Emberizidae | Sparrows 1996-03-01 1996-05-31
Field notes contributed by Bery Engebretsen, summer 1989 Field notes Reports Bird watching Birds--Identification Birds--Nests Birdsongs 1989-06-01 1989-07-31
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 Bery Engebretsen, summer 1996 Field notes Bird watching Birds--Nests Birdsongs Parulidae | Warblers 1996-06-01 1996-07-31
Field notes contributed by Bery Engebretsen, summer 2000 Field notes Bird watching Birds--Counting Laridae | Gulls and Terns Scolopacidae | Sandpipers, Phalaropes, and allies 2000-07-30 N/A
Field notes contributed by Bery Engebretsen, summer 2002 Field notes Bird watching Birds--Counting 2002-06-01 2002-07-31
Field notes contributed by Bery Engebretsen, summer 2004 Field notes Bird watching Birds--Nests Anseriformes | Ducks, Geese, and Swans Scolopacidae | Sandpipers, Phalaropes, and allies Birds--Infancy 2004-06-01 2004-07-31
Field notes contributed by Beth and Mark Proescholdt, Liscomb, Iowa, fall 1984 Field notes Bird watching Birds--Identification Accipitridae | Hawks and Eagles Threskiornithidae | Ibises 1984-08-01 1984-11-30
Field notes contributed by Beth Proescholdt, December 1, 1981 Field notes Bird watching Birds--Identification Birds--Nests Birds--Research Ornithology--Methodology 1981-12-01 N/A
Field notes contributed by Beth Proescholdt, fall 1982 Field notes Forms (documents) Bird watching Birds--Counting Birds--Migration Fringillidae | Finches Parulidae | Warblers Weather N/A N/A
Field notes contributed by Beth Proescholdt, Liscomb, Iowa, spring 1984 Correspondence Field notes Forms (documents) Bird declines Bird watching Parulidae | Warblers 1984-03-01 1984-05-31
Field notes contributed by Beth Proescholdt, Liscomb, Iowa, summer 1984 Field notes Forms (documents) Bird watching Birds--Migration Birds--Nests Birdsongs 1984-06-01 1984-07-31
Field notes contributed by Beth Proescholdt, Liscomb, Iowa, winter 1983-1984 Correspondence Field notes Bird watching 1983-12-01 1984-02-28
Field notes contributed by Beth Proescholdt, winter 1981-1982 Field notes Bird watching Weather 1981-12-01 1982-02-28
Field notes contributed by Beth Proescholdt, winter 1982-1983 Field notes Reports Bird feeders Bird watching Birds--Counting Birds--Research Weather 1982-12-01 1983-02-28
Field notes contributed by Betty Walters, February 24, 1982 Field notes Forms (documents) Bird watching Weather 1982-02-24 N/A
Field notes contributed by Bill F. Huser, August 2, 2001 Field notes Bird watching Birds--Eggs Birds--Identification Birdsongs Scolopacidae | Sandpipers, Phalaropes, and allies 2001-08-02 N/A
Field notes contributed by Bill F. Huser, fall 1987 Field notes Reports Bird watching Birds--Counting 1987-08-01 1987-11-30
Field notes contributed by Bill F. Huser, fall 1991 Field notes Bird watching Birds--Counting Birds--Identification Birds--Infancy 1991-08-01 1991-11-30
Field notes contributed by Bill F. Huser, fall 1992 Field notes Reports Bird watching Birds--Counting Birds--Identification 1992-08-01 1992-11-30
Field notes contributed by Bill F. Huser, fall 1995 Field notes Bird watching Birds--Counting Birds--Identification Birdsongs 1995-08-01 1995-11-30
Field notes contributed by Bill F. Huser, fall 1996 Field notes Bird watching Birds--Counting Birds--Infancy 1996-08-01 1996-11-30
Field notes contributed by Bill F. Huser, fall 1997 Field notes Reports Bird watching Birds--Counting Birds--Identification Birds--Nests Parulidae | Warblers 1997-08-01 1997-11-30