Title Genres Topics Date (Start) Date (End)
Christmas bird count data table, 1986 Tables (documents) Birds--Counting Birds--Research Ornithology--Methodology Weather 1986-12-01 1987-02-28
Christmas bird census, Des Moines Audubon Society, December 26 1934 Field notes Drafts (documents) Articles Bird watching Birds--Counting Weather 1934-12-26 N/A
Carl Priebe letter to Jim Dinsmore regarding bird sighting for the IOU quarterly field report summer 1990, August 6, 1990 Correspondence Field notes Animal migration--Climatic factors Bird watching Birds--Identification Charadriiformes | Shore-birds, Gulls, and Auks Weather 1990-08-06 N/A
Birdwatching notes compiled by Woodward Hart Brown, 1946-1980 Field notes Bird watching Birds--Eggs Birds--Identification Birds--Nests Birdsongs Weather 1946-02-10 1980-02-29
Bery Engebretsen letter to Thomas Kent regarding spring reports, June 2, 1993 Field notes Bird watching Birds--Identification Birdsongs Weather 1993-06-02 N/A
Bery Engebretsen letter to James J. Dinsmore regarding summer bird sightings, August 1, 1993 Correspondence Field notes Bird watching Birds--Habitat Birds--Nests Weather 1993-08-01 N/A
Bery Engebretsen letter to James J. Dinsmore regarding bird sightings, August 2, 1991 Correspondence Field notes Bird watching Birds--Nests Birdsongs Weather 1991-08-02 N/A
Bery Engebretsen letter to Carl J. Bendorf regarding fall bird sightings, December 1, 1987 Correspondence Field notes Bird watching Birds--Counting Gaviiformes | Loons Weather 1987-12-01 N/A
Bery Engebretsen letter to Carl J. Bendorf regarding bird sightings, December 1, 1988 Correspondence Field notes Bird watching Birds--Counting Birds--Identification Weather 1988-12-01 N/A
Barbara L. Wilson letter to Thomas H. Kent regarding winter bird sightings and the Hairy Woodpecker population, February 28, 1983 Correspondence Field notes Forms (documents) Bird populations Bird watching Birds--Counting Birds--Migration Anseriformes | Ducks, Geese, and Swans Weather Emberizidae | Sparrows 1983-02-28 N/A
Barbara L. Wilson letter to Thomas H. Kent regarding summer bird sightings and populations, July 31, 1981 Correspondence Field notes Forms (documents) Bird populations Bird watching Birds--Counting Birds--Nests Birds--Research Ornithology--Methodology Weather 1981-07-31 N/A
Barbara L. Wilson letter to Thomas H. Kent regarding field notes, November 25, 1982 Correspondence Field notes Bird declines Bird watching Birds--Counting Birds--Migration Birds--Nests Phasianidae | Pheasants, Turkeys, and Grouse Weather 1982-11-25 N/A
Barbara L. Wilson letter to Thomas H. Kent regarding bird breeding report, August 1, 1982 Correspondence Field notes Bird watching Birds--Nests Birds--Research Ornithology--Methodology Weather 1982-08-01 N/A
Barbara L. Wilson letter to Thomas H. Kent and field notes, fall 1981 Correspondence Field notes Bird watching Birds--Migration Birds--Nests Birds--Research Tyrannidae | Flycatchers Ornithology--Methodology Parulidae | Warblers Weather 1981-08-01 1981-11-30
Barbara L. Wilson letter to Robert K. Myers regarding a weather report, June 2, 1988 Correspondence Weather 1988-06-02 N/A
Barbara L. Wilson letter to James J. Dinsmore regarding the drought conditions and a Bald Eagle sighting, August 10, 1988 Correspondence Field notes Birds--Nests Weather 1988-08-10 N/A
Barbara L. Wilson letter to James J. Dinsmore regarding summer bird sightings, August 4, 1987 Correspondence Field notes Bird watching Birds--Behavior Birds--Nests Weather 1987-08-04 N/A
Barbara L. Wilson letter to Carl J. Bendorf regarding fall bird sightings, November 27, 1987 Correspondence Field notes Bird watching Birds--Counting Weather Birds--Infancy Wildlife rescue 1987-11-27 N/A
Barbara L. Wilson letter and field notes to Michael C. Newlon regarding fall 1984 bird sightings, November 29, 1984 Field notes Forms (documents) Bird watching Birds--Behavior Birds--Counting Birds--Identification Ciconiiformes | Herons, Bitterns, Egrets, Ibises, and Storks Weather Birds--Infancy 1984-08-01 1984-11-30
Barb Wilson letter to Thomas Kent regarding Winter birds sighted, February 28, 1981 Correspondence Field notes Bird watching Birds of prey Anseriformes | Ducks, Geese, and Swans Fringillidae | Finches Turdidae | Thrushes Water birds Weather 1981-02-28 N/A
Barb Wilson letter to Thomas Kent regarding spring sightings, spring 1981 Correspondence Field notes Bird watching Birds of prey Tyrannidae | Flycatchers Fringillidae | Finches Parulidae | Warblers Water birds Weather Troglodytidae | Wrens 1981-03-01 1981-05-31
Barb Wilson letter to Thomas Kent regarding fall sightings, November 30, 1983 Correspondence Field notes Bird watching Birds of prey Birds--Identification Tyrannidae | Flycatchers Charadriiformes | Shore-birds, Gulls, and Auks Fringillidae | Finches Hirundinidae | Swallows Water birds Weather Country life 1983-11-30 N/A
Barb Wilson letter to Thomas Kent regarding Fall sightings, November 18, 1985 Correspondence Field notes Bird watching Birds of prey Birds--Identification Charadriiformes | Shore-birds, Gulls, and Auks Fringillidae | Finches Water birds Weather 1985-11-18 N/A
Barb Wilson letter to Thomas Kent regarding birds sighted in Fall, November 24, 1980 Correspondence Field notes Bird watching Birds--Identification Water birds Weather Fowling 1980-11-24 N/A
Barb Wilson letter to Thomas Kent regarding bird sightings, Summer 1983 Correspondence Field notes Bird watching Birds of prey Birds--Eggs Birds--Nests Tyrannidae | Flycatchers Game and game-birds Charadriiformes | Shore-birds, Gulls, and Auks Hirundinidae | Swallows Water birds Weather Country life 1983-06-01 1983-07-31