Title Genres Topics Date (Start) Date (End)
Frederic Leopold letter to the editor of the St. Paul Pioneer Press Dispatch regarding hunting and the effect on duck populations, April 27, 1988 Correspondence Birds--Conservation Hunting--Moral and ethical aspects Wildlife habitat improvement Waterfowl management Duck populations 1988-04-27 N/A
Iowa Birdline update, April 2, 1990 Field notes Bird watching Birds--Migration Anseriformes | Ducks, Geese, and Swans Waterfowl Dial-a-message telephone calls 1990-04-02 N/A
Iowa Birdline update, circa November 6, 1990, notes Field notes Bird watching Waterfowl Dial-a-message telephone calls 1990-11-06 1990-11-07
Iowa Birdline update, December 23, 1991 Correspondence Field notes Bird watching Birds--Identification Waterfowl Dial-a-message telephone calls 1991-12-23 N/A
Iowa Birdline update, December 6, 1993 Correspondence Field notes Bird watching Waterfowl Dial-a-message telephone calls 1993-12-06 N/A
Iowa Birdline update, February 12, 1990 Field notes Bird watching Anseriformes | Ducks, Geese, and Swans Laridae | Gulls and Terns Waterfowl Dial-a-message telephone calls 1990-02-12 N/A
Iowa Birdline update, February 17, 1992 Correspondence Field notes Bird feeders Bird watching Birds--Identification Anseriformes | Ducks, Geese, and Swans Laridae | Gulls and Terns Waterfowl Dial-a-message telephone calls 1992-02-17 N/A
Iowa Birdline update, February 24, 1992 Correspondence Field notes Bird feeders Bird watching Birds--Identification Anseriformes | Ducks, Geese, and Swans Laridae | Gulls and Terns Waterfowl Dial-a-message telephone calls 1992-02-24 N/A
Iowa Birdline update, February 27, 1995 Correspondence Field notes Bird watching Birds--Food Birds--Identification Waterfowl Dial-a-message telephone calls 1995-02-27 N/A
Iowa Birdline update, January 13, 1992 Correspondence Field notes Bird feeders Bird watching Birds--Identification Laridae | Gulls and Terns Waterfowl Dial-a-message telephone calls 1992-01-13 N/A
Iowa Birdline update, January 15, 1990 Field notes Bird watching Waterfowl Dial-a-message telephone calls 1990-01-15 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 11, 1991 notes Field notes Bird watching Birds--Migration Waterfowl Dial-a-message telephone calls 1991-03-11 N/A
Iowa Birdline Update, March 12, 1990 Field notes Bird watching Icteridae | Blackbirds, Orioles, Meadowlarks, and allies Anseriformes | Ducks, Geese, and Swans Laridae | Gulls and Terns Waterfowl Dial-a-message telephone calls 1990-03-12 N/A
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 2, 1992 Correspondence Field notes Bird feeders Bird watching Birds--Identification Anseriformes | Ducks, Geese, and Swans Waterfowl Dial-a-message telephone calls 1992-03-02 N/A
Iowa Birdline update, March 24, 1991 Field notes Bird watching Weather Waterfowl Dial-a-message telephone calls 1991-03-24 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, March 25, 1991 notes Field notes Bird watching Birds--Migration Waterfowl Dial-a-message telephone calls 1991-03-25 N/A
Iowa Birdline update, March 26, 1990 Field notes Bird watching Birds--Migration Anseriformes | Ducks, Geese, and Swans Waterfowl Dial-a-message telephone calls 1990-03-26 N/A
Iowa Birdline update, March 27, 1989 Field notes Bird watching Birds--Migration Passeriformes | Perching-birds and songbirds Waterfowl Dial-a-message telephone calls 1989-03-27 N/A
Iowa Birdline update, March 30, 1992 Correspondence Field notes Bird watching Birds--Identification Anseriformes | Ducks, Geese, and Swans Waterfowl Dial-a-message telephone calls 1992-03-30 N/A
Iowa Birdline update, March 5, 1990 Field notes Bird watching Birds--Migration Icteridae | Blackbirds, Orioles, Meadowlarks, and allies Anseriformes | Ducks, Geese, and Swans Waterfowl Dial-a-message telephone calls 1990-03-05 N/A
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 Birdline update, November 14, 1988 Field notes Bird watching Anseriformes | Ducks, Geese, and Swans Waterfowl Dial-a-message telephone calls 1988-11-14 N/A