Title Genres Topics Date (Start) Date (End)
Saylorville's Cooper's Hawks Correspondence Field notes Bird watching Birds--Nests 1986-08-22 N/A
Field notes and Barbara L. Wilson letter to James J. Dinsmore, July 28, 1985 Correspondence Field notes Bird watching Birds--Nests Weather Birds--Infancy 1985-07-28 N/A
Field notes and Peter P. Wickham letter to James J. Dinsmore regarding bird sightings, August 3, 1985 Checklists Correspondence Field notes Bird watching Birds--Counting Birds--Identification Birds--Nests Birdsongs 1985-08-03 N/A
Darwin Koenig letter to James J. Dinsmore regarding bird sightings, July 30, 1985 Correspondence Field notes Bird watching Birds--Nests Parulidae | Warblers Birds--Infancy 1985-07-30 N/A
Robert I. Cecil letter to Jim Dinsmore regarding field note, June 29, 1985 Correspondence Field notes Forms (documents) Bird watching Birds--Counting Birds--Habitat Birds--Identification Birds--Nests Tyrannidae | Flycatchers Laridae | Gulls and Terns Ciconiiformes | Herons, Bitterns, Egrets, Ibises, and Storks Vireonidae | Vireos Parulidae | Warblers Birds--Feeding and feeds 1985-06-29 N/A
Marian M. Brewer letter to Mr. Dinsmore regarding field notes, July 29, 1985 Correspondence Field notes Forms (documents) Bird kills Bird watching Birds--Identification Birds--Nests Birds--Feeding and feeds 1985-07-29 N/A
Helen King letter to Philip DuMont regarding Starlings in Grundy County, December 11, 1933 Correspondence Bird watching Birds--Nests Introduced birds Aggressive behavior in animals 1933-12-11 N/A
Doug Reeves letter to Robert K. Myers regarding a special sighting report, May 11, 1987 Correspondence Field notes Bird watching Birds--Identification Birds--Nests Birdsongs Birds--Research 1987-05-11 N/A
Allen L. Farris letter to Doug Reeves regarding juvenile American Woodcock sightings, May 13, 1986 Correspondence Field notes Bird watching Birds--Nests Birds--Infancy 1986-05-13 N/A
Field notes contributed by Barbara L. Wilson, July 6, 1986 Correspondence Field notes Bird watching Birds--Eggs Birds--Identification Birds--Nests Birdsongs Laridae | Gulls and Terns Parulidae | Warblers 1986-07-06 N/A
Field notes contributed by Barbara L. Wilson, July 28, 1986 Correspondence Field notes Bird watching Birds--Behavior Birds--Eggs Birds--Food Birds--Nests Birdsongs Birds--Infancy 1986-07-28 N/A
Field notes and Peter C. Petersen letter to James J. Dinsmore, July 28, 1986 Correspondence Field notes Bird feeders Bird watching Birds--Counting Birds--Food Birds--Identification Birds--Nests Birds--Infancy 1986-07-28 N/A
Field notes and Bery Engebretsen letter to James J. Dinsmore regarding bird sightings, August 3, 1985 Correspondence Field notes Bird watching Birds--Nests Birdsongs Birds--Infancy 1985-08-03 N/A
Raymond Findley letter to Frederic Leopold regarding a request for information on Wood Duck houses, February 4, 1952 Correspondence Birds--Nests Country life Birdhouses--Design and construction Bird attracting 1952-02-04 N/A
James J. Dinsmore letter to Bruce G. Peterjohn regarding bird sightings, August 20 1986 Correspondence Field notes Birds--Nests Threskiornithidae | Ibises Photography of birds 1986-08-20 N/A
James L. Hansen letter to Doug Reeves regarding Great Blue Heron Rookery, May 2 1986 Correspondence Field notes Bird watching Birds--Breeding Birds--Nests 1986-05-02 N/A
Frederic Leopold letter to Clarence Schneider regarding a Wood Duck study, March 29, 1963 Correspondence Bird surveys Birds--Nests Ornithology--Methodology Birdhouses Ducks--Counting 1963-03-29 N/A
Frederic Leopold letter to Clarence W. Moody regarding a Wood Duck study, March 29, 1963 Correspondence Bird surveys Bird watching Birds--Nests Ornithology--Methodology Ducks--Counting 1963-03-29 N/A
Documents regarding a Wood Duck study, February 27, 1964 Checklists Correspondence Questionnaires Bird surveys Bird watchers Birds--Nests Birds--Research Ornithology--Methodology Predatory animals Ducks--Counting Ducklings 1964-02-27 N/A
Lawrence A. Bjonerud letter to Frederic Leopold regarding a Mallard nest and identifying Wood Ducks, May 16, 1966 Correspondence Birds--Identification Birds--Nests Eggs--Incubation Ducklings 1966-05-16 N/A
Frederic Leopold letter to Lawrence A. Bjonerud regarding identifying Wood Ducks, May 18, 1966 Correspondence Birds--Habitat Birds--Identification Birds--Nests 1966-05-18 N/A
Don Joffray letter to Frederic Leopold regarding Wood Duck houses and nest takeover and predation, April 20, 1966 Correspondence Birds--Eggs Birds--Nests Birdhouses--Design and construction Predatory animals Squirrels--Behavior Raccoon--Behavior 1966-04-20 N/A
Frederic Leopold letter to Don Joffray regarding Wood Duck houses and nest predation, April 25, 1966 Correspondence Birds--Eggs Birds--Nests Birdhouses--Design and construction Predatory animals Raccoon--Behavior 1966-04-25 N/A
Frederic Leopold letter to Peter P. Laude regarding nesting Wood Ducks and the Iowa Ornithologists' Union annual convention, May 12, 1952 Correspondence Birds--Habitat Birds--Nests Congresses and conventions Ornithology--Societies, etc 1952-05-12 N/A
Peter P. Laude letter to Frederic Leopold regarding an invitation to view nesting Wood Ducks, April 16, 1952 Correspondence Birds--Habitat Birds--Nests Ornithology--Study and teaching Birdhouses 1952-04-16 N/A