Title Genres Topics Date (Start) Date (End)
James L. Hansen letter to Thomas H. Kent regarding spring bird sightings and accompanying field notes, June 1, 1983 Correspondence Field notes Forms (documents) Reports Bird kills Bird watching Birds--Counting Birds--Research Anseriformes | Ducks, Geese, and Swans Ornithology--Methodology Parulidae | Warblers Water birds Weather 1983-06-01 N/A
Field notes contributed by Carl J. Bendorf, spring 1980 Field notes Reports Bird watching Birds--Counting Birds--Research Ornithology--Methodology 1980-03-01 1980-05-31
Field notes contributed by Carl Kurtz, winter 1979-1980 Field notes Reports Bird watching Birds--Research Ornithology--Methodology 1979-12-01 1980-02-28
Field notes contributed by Conrad F. Schlemmer, winter 1979-1980 Field notes Reports Bird watching Birds--Research Ornithology--Methodology Weather 1979-12-01 1980-02-28
Field notes contributed by Darwin Koenig, February 13, 1980 Field notes Reports Bird watching Birds--Research Accipitridae | Hawks and Eagles Ornithology--Methodology 1980-02-13 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 Fred K. Thompson, winter 1979-1980 Field notes Reports Bird watching Birds--Research Ornithology--Methodology 1979-12-01 1980-02-28
Field notes contributed by George E. Crossley, spring 1980 Field notes Reports Bird watching Birds--Research Ornithology--Methodology 1980-03-01 1980-05-31
Field notes contributed by Hank and Linda Zaletel, winter 1979-1980 Field notes Reports Bird watching Birds--Research Ornithology--Methodology 1979-12-01 1980-02-28
Field notes contributed by Hank and Linda Zaletel, February 26, 1980 Field notes Reports Bird watching Birds--Research Ornithology--Methodology 1980-02-26 N/A
Field notes contributed by Janet G. Greer, fall 1979 Field notes Reports Bird watching 1979-08-01 1979-11-30
Field notes contributed by John C. Robinson, February 25, 1980 Field notes Reports Bird watching Birds--Research Icteridae | Blackbirds, Orioles, Meadowlarks, and allies Anseriformes | Ducks, Geese, and Swans Accipitridae | Hawks and Eagles Ornithology--Methodology 1980-02-25 N/A
Field notes contributed by John Van Dyk, March 1, 1980 Field notes Reports Bird watching Birds--Research Ornithology--Methodology Weather 1980-03-01 N/A
Field notes contributed by Joseph M. Schaefer, winter 1979-1980 Field notes Reports Bird watching Birds--Research Ornithology--Methodology 1979-12-01 1980-02-28
Field notes contributed by Marion M. Brewer, May 31, 1980. Field notes Reports Bird watching Birds--Counting Birds--Research Ornithology--Methodology 1980-05-31 N/A
Field notes contributed by Mike Newlon, fall 1979 Field notes Reports Bird watching 1979-08-01 1979-11-30
Field notes contributed by Peter C. Petersen, winter 1979-1980 Field notes Reports Bird watching Birds--Research Ornithology--Methodology 1979-12-01 1980-02-28
Field notes contributed by Raymond L. Cummins, spring 1980 Field notes Reports Bird watching Birds--Counting Birds--Research Tyrannidae | Flycatchers Podicipediformes | Grebes Laridae | Gulls and Terns Ornithology--Methodology Turdidae | Thrushes Parulidae | Warblers Troglodytidae | Wrens 1980-03-01 1980-05-31
Field notes contributed by Raymond L. Cummins, winter 1979-1980 Field notes Reports Bird watching Birds--Research Anseriformes | Ducks, Geese, and Swans Ornithology--Methodology 1979-12-01 1980-02-28
Field notes contributed by Ruth Phipps, fall 1979 Field notes Reports Bird watching Icteridae | Blackbirds, Orioles, Meadowlarks, and allies Troglodytidae | Wrens 1979-08-01 1979-11-30
Field notes contributed by Thomas H. Kent, fall 1979 Field notes Reports Bird watching Rare birds 1979-08-01 1979-11-30
Field notes contributed by Thomas H. Kent, winter 1979-1980 Field notes Reports Bird watching Birds--Research Anseriformes | Ducks, Geese, and Swans Accipitridae | Hawks and Eagles Ornithology--Methodology 1979-12-01 1980-02-28
Field notes contributed by Thomas K. Shires, fall 1979 Field notes Reports Bird watching Birds--Identification 1979-08-01 1979-11-30
Field notes contributed by Weir Nelson, March 7, 1980 Field notes Reports Bird watching Birds--Research Ornithology--Methodology 1980-03-07 N/A
Field notes contributed by Weir Nelson, fall 1979 Field notes Reports Bird watching Birds--Identification 1979-08-01 1979-11-30