Title Genres Topics Date (Start) Date (End)
Frederic Leopold letter to A.S. Hawkins regarding hunting and the effect on duck populations, January 13, 1988 Correspondence Birds--Conservation Birds--Habitat Hunting--Moral and ethical aspects Wildlife habitat improvement Waterfowl management Duck populations 1988-01-13 N/A
Nesting Wood Duck study (35 Years) Reports Tables (documents) Birds--Eggs Birds--Nests Birds--Research Ornithology--Methodology Birdhouses Predatory animals Waterfowl management Eggs--Incubation Ducks--Counting Ducklings Wood duck--Behavior 1984-01-01 1984-12-31
A plan to save our ducks Reports Essays Birds--Conservation Birds--Habitat Wildlife conservation--Law and legislation Waterfowl management Duck populations N/A N/A
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
Letter to I.T. Bode regarding Waterfowl conditions that might affect Iowa, January 3, 1934 Correspondence Reports Bird surveys Birds--Counting Fowling Water levels Waterfowl 1934-01-03 N/A
Waterfowl conditions in the Missouri Valley Reports Birds--Migration Anseriformes | Ducks, Geese, and Swans Wildlife conservation Wildlife refuges Waterfowl N/A N/A
Iowa RBA, March 8, 1999 Correspondence Field notes Bird watching Waterfowl Dial-a-message telephone calls 1999-03-08 N/A
Iowa RBA, January 20, 1997 Field notes Bird watching Waterfowl Dial-a-message telephone calls 1997-01-20 N/A
Iowa Birdline update, November 28, 1994 Correspondence Field notes Bird watching Waterfowl Dial-a-message telephone calls 1994-11-28 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, 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, December 6, 1993 Correspondence Field notes Bird watching Waterfowl Dial-a-message telephone calls 1993-12-06 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, November 9, 1992 Correspondence Field notes Bird watching Birds--Identification Charadriiformes | Shore-birds, Gulls, and Auks Waterfowl Dial-a-message telephone calls 1992-11-09 N/A
Iowa Birdline update, November 23, 1992 Correspondence Field notes Bird feeders Bird watching Birds--Identification Anseriformes | Ducks, Geese, and Swans Waterfowl Dial-a-message telephone calls 1992-11-23 N/A
Iowa Birdline update, November 30, 1992 Correspondence Field notes Bird watching Birds--Identification Anseriformes | Ducks, Geese, and Swans Waterfowl Dial-a-message telephone calls 1992-11-30 N/A
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, 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 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, 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, December 23, 1991 Correspondence Field notes Bird watching Birds--Identification Waterfowl Dial-a-message telephone calls 1991-12-23 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 24, 1991 Field notes Bird watching Weather Waterfowl Dial-a-message telephone calls 1991-03-24 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