Title Genres Topics Date (Start) Date (End)
Iowa Birdline update, March 14 and 16, 1994 Correspondence Field notes Bird watching Birds--Migration Waterfowl Dial-a-message telephone calls 1994-03-14 1994-03-16
Iowa Birdline update, March 17-25, 1993 Correspondence Field notes Bird feeders Bird watching Birds--Counting Birds--Identification Birds--Migration Anseriformes | Ducks, Geese, and Swans Accipitridae | Hawks and Eagles Ardeidae | Herons Dial-a-message telephone calls 1993-03-17 1993-03-25
Iowa Birdline update, March 7, 1994 Correspondence Field notes Bird watching Birds--Migration Waterfowl Dial-a-message telephone calls 1994-03-07 N/A
Iowa RBA, February 15, 1999 Correspondence Field notes Bird watching Birds--Migration Weather Dial-a-message telephone calls 1999-02-15 N/A
Iowa Birdline update, April 22, 1991 Correspondence Field notes Bird watching Birds--Migration Dial-a-message telephone calls 1991-04-22 N/A
Iowa Birdline update, August 16, 1993 Correspondence Field notes Bird watching Birds--Migration Charadriiformes | Shore-birds, Gulls, and Auks Vireonidae | Vireos Parulidae | Warblers Water levels Dial-a-message telephone calls 1993-08-16 N/A
Iowa Birdline update, August 30, 1993 Correspondence Field notes Bird watching Birds--Migration Charadriiformes | Shore-birds, Gulls, and Auks Parulidae | Warblers Dial-a-message telephone calls 1993-08-30 N/A
Iowa Birdline update, June 3, 1991 Correspondence Field notes Bird watching Birds--Migration Charadriiformes | Shore-birds, Gulls, and Auks Dial-a-message telephone calls 1991-06-03 N/A
Iowa Birdline update, March 11, 1991 Correspondence Field notes Bird watching Birds--Migration Waterfowl Dial-a-message telephone calls 1991-03-11 N/A
Iowa Birdline update, March 25, 1991 Correspondence Field notes Bird watching Birds--Migration Waterfowl Dial-a-message telephone calls 1991-03-25 N/A
Iowa Birdline update, May 13, 1991 Correspondence Field notes Bird watching Birds--Migration Dial-a-message telephone calls 1991-05-13 N/A
Iowa Birdline update, May 27, 1991 Correspondence Field notes Bird watching Birds--Migration Tyrannidae | Flycatchers Charadriiformes | Shore-birds, Gulls, and Auks Parulidae | Warblers Dial-a-message telephone calls 1991-05-27 N/A
Iowa Birdline update, May 6, 1991 Correspondence Field notes Bird watching Birds--Migration Dial-a-message telephone calls 1991-05-06 N/A
Iowa Birdline update, October 10, 1994 Correspondence Field notes Bird watching Birds--Migration Falconiformes | Hawks, Eagles, Falcons, Osprey, and Vultures Threskiornithidae | Ibises Emberizidae | Sparrows Dial-a-message telephone calls 1994-10-10 N/A
Iowa Birdline update, October 11, 1993 Correspondence Field notes Bird watching Birds--Migration Passeriformes | Perching-birds and songbirds Dial-a-message telephone calls 1993-10-11 N/A
Iowa Birdline update, October 22, 1990 Correspondence Field notes Bird watching Birds--Migration Charadriiformes | Shore-birds, Gulls, and Auks Emberizidae | Sparrows Waterfowl Dial-a-message telephone calls N/A N/A
Iowa Ornithologists' Union, Quarterly field report, Spring 1986 Field notes Bird watching Birds--Migration Birds--Research Ornithology--Methodology Charadriiformes | Shore-birds, Gulls, and Auks Parulidae | Warblers Weather 1986-03-01 1986-05-31
Field notes, Amaqua Township and Council Bluffs, fall 1974 Correspondence Field notes Bird watching Birds--Migration 1974-08-01 1974-11-30
Fall field reports contributed by Richard Jule Hollis, 1984 Field notes Bird watching Birds--Migration Rare birds 1984-08-01 1984-11-30
Audubon field notes for Iowa, fall 1966 Correspondence Field notes Bird watching Birds--Identification Birds--Migration Birds--Research Ornithology--Methodology Fringillidae | Finches 1966-08-01 1966-11-30
Darwin Koenig letter to Nicholas S. Halmi regarding fall migration, 1976 Correspondence Field notes Bird watching Birds--Migration 1976-08-22 N/A
Gladys Black letter to Nicholas S. Halmi regarding fall migration, 1976 Correspondence Field notes Bird watching Birds--Migration Birds--Research 1977-01-17 N/A
Pearl Knoop letter to Peter C. Petersen regarding fall migration, August 17, 1963 Correspondence Field notes Bird watching Birds--Migration Birds--Nests Birds--Research Ornithology--Methodology 1963-08-17 N/A
Pearl Knoop letter to Peter C. Petersen regarding fall migration, December 15, 1962 Correspondence Field notes Bird watching Birds--Migration Birds--Research Ornithology--Methodology 1962-12-15 N/A
Fall season Polk County migration, fall 1976 Field notes Bird watching Birds--Migration Birds--Research 1976-08-01 1976-11-30