Title Genres Topics Date (Start) Date (End)
Field notes for Riverton Wildlife Management Area and southwest Iowa contributed by Marie Spears, February 14, 1977 Field notes Bird populations Bird watching Accipitridae | Hawks and Eagles 1977-02-14 N/A
John Van Dyk letter to Nicholas S. Halmi regarding bird sightings, February 12, 1977 Correspondence Field notes Bird populations Bird watching Rare birds 1977-02-12 N/A
Gladys Black letter to Nicholas S. Halmi regarding Snowy Owl count, February 1, 1977 Correspondence Field notes Bird populations Bird watching Birds--Counting Birds--Research 1977-02-01 N/A
Field notes, winter 1971-72 Field notes Bird populations Bird watching Weather 1971-12-01 1972-02-28
J. Donald Gillaspey letter to Woodward H. Brown regarding birds seen in Lamoni, Iowa, during winter 1971-1972, February 14, 1972 Correspondence Field notes Bird populations Bird watching 1972-02-14 N/A
Audubon field notes for winter 1964-1965 contributed by Frederick W. Kent Field notes Bird declines Bird populations Bird watching Birds--Migration 1964-12-01 1965-02-28
Field notes contributed by Frederick W. Kent for spring, 1965 Field notes Bird populations Bird watching Birds--Migration Rare birds Parulidae | Warblers 1965-03-01 1965-05-31
Field notes for spring migration, 1965 contributed by Woodward H. Brown Field notes Bird populations Bird watching Birds--Migration Charadriiformes | Shore-birds, Gulls, and Auks Fringillidae | Finches Turdidae | Thrushes Parulidae | Warblers Weather 1965-03-01 1965-05-31
Audubon field notes for summer 1965 contributed by Frederick W. Kent Field notes Bird populations Bird watching Birds--Migration Laniidae | Shrikes 1965-06-01 1965-07-31
Joe Kennedy letter to Peter C. Petersen regarding field notes for Des Moines, Iowa for summer, 1965 Field notes Bird declines Bird populations Bird watching Birds--Migration 1965-06-01 1965-07-31
Audubon field notes on the nesting season contributed by Woodward H. Brown, August 15, 1965 Field notes Bird banding Bird populations Bird watching Birds--Nests Turdidae | Thrushes 1965-08-15 N/A
Field notes contributed by Frederick W. Kent, fall 1965 Field notes Bird populations Bird watching Birds--Migration Certhiidae | Creepers Sylviidae | Kinglets and Gnatcatchers Weather 1965-08-01 1965-11-30
Audubon field notes for fall migration, 1965 contributed by Woodward H. Brown Field notes Bird populations Bird watching Birds--Migration Charadriiformes | Shore-birds, Gulls, and Auks Weather 1965-08-01 1965-11-30