Title Genres Topics Date (Start) Date (End)
Photograph of mother Wood Duck sitting on eggs in a duck house Photographs Birds--Eggs Birds--Research Birdhouses Eggs--Incubation 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
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
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 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 a Wood Duck house in tree near the Mississippi River Photographs Birds--Habitat Birds--Research Birdhouses 1966-01-01 1966-12-31
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
Field notes contributed by Sharon Laub, spring 1987 Field notes Forms (documents) Bird watching Birds--Counting Weather Birdhouses 1987-03-01 1987-05-31
Photograph of a snake in a Wood Duck house Photographs 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 a House Wren with food for young Photographs Birds--Infancy Birdhouses 1933-07-27 N/A
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
Wood Duck nesting boxes Instructions (document genre) Research notes Birdhouses--Design and construction Bird attracting Wood duck--Behavior 1970-10-12 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 Wood Duck ducklings leaving the duck house Photographs Birds--Research Birdhouses Ducklings Wood duck--Behavior N/A N/A
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 a Wood Duck in a house Photographs Birds--Research Ornithology--Methodology Birdhouses--Design and construction 1965-01-01 1965-12-31
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
Lee Miller letter to Frederic Leopold regarding Wood Duck houses, February 8, 1952 Correspondence Birdhouses--Design and construction Duck populations Ducklings Wood duck--Behavior 1952-02-08 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
K. D. Bartell letter to Frederic Leopold regarding a request for information on Wood Duck houses, January 9, 1952 Correspondence Birdhouses--Design and construction Bird attracting 1952-01-09 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
Photograph of Frederic Leopold on a ladder checking a Wood Duck house Photographs Bird watchers Birds--Research Birdhouses 1965-01-01 1965-12-31
Memo for Iowa Ornithologists' visitors, May 17 Lecture notes Bird watchers Birds--Research Ornithology--Methodology Birdhouses 1970-05-17 N/A
Photograph of a Purple Martin house on a pole Photographs Birdhouses 1925-01-01 1925-12-31