Title Genres Topics Date (Start) Date (End)
Lantern slide and photograph of a Purple Martin perching on a birdhouse Lantern slides Photographs Bird watching Birdhouses 1926-07-15 N/A
Photograph of a House Wren with food for young Photographs Birds--Infancy Birdhouses 1933-07-27 N/A
Photograph of Wood Duck ducklings leaving the duck house Photographs Birds--Research Birdhouses Ducklings Wood duck--Behavior N/A N/A
Photograph of a Purple Martin house on a pole Photographs Birdhouses 1925-01-01 1925-12-31
Photograph of a Wood Duck house Photographs Birds--Research Birdhouses 1960-01-01 1960-12-31
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 perched on a Wood Duck house Photographs Birds--Habitat Birds--Research Birdhouses 1960-01-01 1960-12-31
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 houses in trees Photographs Birds--Research Birdhouses 1965-01-01 1965-12-31
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 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 Frederic Leopold on a ladder checking a Wood Duck house Photographs Bird watchers Birds--Research Birdhouses 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
Photograph of a mother Wood Duck sitting on eggs in duck house Photographs Birds--Research Birdhouses Eggs--Incubation Wood duck--Behavior 1966-05-01 1966-05-31
Photograph of paper covering the entrance to a Wood Duck house Photographs Birds--Research Ornithology--Methodology Birdhouses--Design and construction 1966-05-01 1966-05-31
Photograph of a Wood Duck duckling jumping from duck house Photographs Birds--Research Birdhouses Ducklings Wood duck--Behavior 1966-05-01 1966-05-31
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
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 a Wood Duck duckling jumping from a duck house Photographs Birds--Research Birdhouses Ducklings Wood duck--Behavior 1966-01-01 1966-12-31
Photograph of Wood Duck houses in trees Photographs Birds--Research Birdhouses 1971-05-01 1971-05-31