Title Genres Topics Date (Start) Date (End)
Annotated bird sighting list for fall 1983 compiled by Marion Brewer Field notes Surveys (documents) Bird watching Birds of prey Birds--Identification Tyrannidae | Flycatchers Charadriiformes | Shore-birds, Gulls, and Auks Fringillidae | Finches Troglodytidae | Wrens Birdhouses Binoculars 1983-08-01 1983-11-30
Barb L. Wilson letter to Thomas H. Kent regarding weather and bird migration, June 2, 1985, with accompanying field notes Correspondence Field notes Bird banding Bird watching Birds--Identification Birds--Migration Birds--Nests Birdsongs Weather Birdhouses 1985-06-02 N/A
Adrey E. Borell letter to Frederic Leopold regarding Wood Duck houses, December 12, 1951 Correspondence Birds--Habitat Birdhouses Predatory animals Duck populations 1951-12-12 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
Sue L. Schroder letter to Frederic Leopold regarding Wood Ducks, May 29, 1966 Correspondence Country life Birdhouses Bird attracting 1966-05-29 N/A
Gus Glaser letter to Frederic Leopold regarding Wood Duck houses, May 20, 1966 Correspondence Birds--Habitat Birdhouses Bird attracting 1966-05-20 N/A
Merle Strasser letter to Frederic Leopold regarding Wood Ducks, May 18, 1966 Correspondence Bird watching Wildlife conservation Wildlife conservationists Birdhouses 1966-05-18 N/A
Stella M. Perkins letter to Frederic Leopold regarding Wood Duck houses Correspondence Birds--Nests Birdhouses Bird attracting Raccoon--Behavior Zoological illustration 1966-05-01 1966-05-18
Frederic Leopold letter to the Des Moines County Conservation Board regarding Wood Duck houses, April 21, 1970 Correspondence Bird watching Birdhouses Duck populations 1970-04-21 N/A
John C. Welter letter and attached list to Frederic Leopold regarding Wood Duck houses, May 14, 1970 Correspondence Bird watching Birdhouses 1970-05-14 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
Photograph of a Wood Duck house and an observation blind in front of Frederic Leopold's house Photographs Birds--Research Birdhouses 1960-01-01 1960-12-31
Photograph of a Wood Duck house Photographs Birds--Research Birdhouses 1960-01-01 1960-12-31
Photograph of a Wood Duck perched on a Wood Duck house Photographs Birds--Habitat Birds--Research Birdhouses 1960-01-01 1960-12-31
Photograph of Wood Duck houses in trees Photographs Birds--Research Birdhouses 1965-01-01 1965-12-31
Photograph of Frederic Leopold on a ladder checking a Wood Duck house Photographs Bird watchers Birds--Research Birdhouses 1965-01-01 1965-12-31
Photograph of an adult Wood Duck leaving a duck house Photographs Birds--Research Birdhouses Wood duck--Behavior 1965-01-01 1965-12-31
Photograph of Wood Duck ducklings leaving the duck house Photographs Birds--Research Birdhouses Ducklings Wood duck--Behavior N/A N/A
Photograph of a snake among duck eggs in a Wood Duck house Photographs Birds--Eggs Birds--Research Birdhouses Predatory animals 1965-01-01 1965-12-31
Photograph of the inside bottom of a Wood Duck house Photographs Birds--Research Birdhouses 1965-01-01 1965-12-31
Photograph of Frederic Leopold's house with a Wood Duck house in a tree Photographs Birds--Research Wildlife conservationists Birdhouses 1966-01-01 1966-12-31
Photograph of a Wood Duck house in tree near the Mississippi River Photographs Birds--Habitat Birds--Research Birdhouses 1966-01-01 1966-12-31
Photograph of a mother Wood Duck and ducklings inside a duck house Photographs Birds--Research Birdhouses Ducklings Wood duck--Behavior 1966-01-01 1966-12-31
Photograph of Wood Duck eggs under down feathers Photographs Birds--Eggs Birds--Research Birdhouses Wood duck--Behavior 1966-01-01 1966-12-31
Photograph of Wood Duck eggs and nesting material in a duck house Photographs Birds--Eggs Birds--Research Birdhouses 1966-01-01 1966-12-31