Photograph of a Wood Duck house and an observation blind in front of Frederic Leopold's house
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Photographs
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Birds--Research Birdhouses
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1960-01-01
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1960-12-31
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Manuscript, graphic, and printed material
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A bare tree with a ladder leaning next to the Wood Duck house that is attached to the tree trunk, 1960. An observation blind is located close to the base of tree. Behind the tree and the blind is Frederic Leopold's house.
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Leopold, Frederic, 1895-1989
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Wood Duck
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Burlington
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Frederic Leopold Papers | MS 113
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6
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4
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Photograph of a Wood Duck house
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Photographs
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Birds--Research Birdhouses
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1960-01-01
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1960-12-31
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Manuscript, graphic, and printed material
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A wooden Wood Duck house that is attached onto a tree trunk, 1960.
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Leopold, Frederic, 1895-1989
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Wood Duck
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Burlington
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Frederic Leopold Papers | MS 113
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6
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4
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Photograph of a Wood Duck perched on a Wood Duck house
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Photographs
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Birds--Habitat Birds--Research Birdhouses
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1960-01-01
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1960-12-31
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Manuscript, graphic, and printed material
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A Wood Duck is perched on top of a wooden Wood Duck house that is attached to a tree trunk, 1960.
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Leopold, Frederic, 1895-1989
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Wood Duck
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Burlington
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Frederic Leopold Papers | MS 113
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6
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4
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Photograph of Wood Duck houses in trees
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Photographs
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Birds--Research Birdhouses
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1965-01-01
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1965-12-31
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Manuscript, graphic, and printed material
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Several trees along a bluff overlooking the Mississippi River that each have a wooden Wood Duck house attached to the trunk, 1965.
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Leopold, Frederic, 1895-1989
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Wood Duck
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Burlington
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Frederic Leopold Papers | MS 113
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6
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5
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Photograph of Frederic Leopold on a ladder checking a Wood Duck house
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Photographs
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Bird watchers Birds--Research Birdhouses
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1965-01-01
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1965-12-31
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Manuscript, graphic, and printed material
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Frederic Leopold on a ladder checking a wooden Wood Duck house that is attached to a tree trunk, 1965.
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Wood Duck
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Burlington
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Frederic Leopold Papers | MS 113
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6
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5
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Photograph of an adult Wood Duck leaving a duck house
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Photographs
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Birds--Research Birdhouses Wood duck--Behavior
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1965-01-01
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1965-12-31
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Manuscript, graphic, and printed material
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An adult Wood Duck leaving a wooden Wood Duck house that is attached to a tree, 1965
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Leopold, Frederic, 1895-1989
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Wood Duck
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Burlington
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|
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Frederic Leopold Papers | MS 113
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6
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6
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Photograph of Wood Duck ducklings leaving the duck house
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Photographs
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Birds--Research Birdhouses Ducklings Wood duck--Behavior
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N/A
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N/A
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Manuscript, graphic, and printed material
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Two Wood Duck ducklings leaving the wooden Wood Duck house, 1965. One duckling is captured mid-flight as it leaves, and the other duckling is peeking out of the opening in the duck house.
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Leopold, Frederic, 1895-1989
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Wood Duck
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Burlington
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Frederic Leopold Papers | MS 113
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6
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6
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Photograph of a snake among duck eggs in a Wood Duck house
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Photographs
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Birds--Eggs Birds--Research Birdhouses Predatory animals
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1965-01-01
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1965-12-31
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Manuscript, graphic, and printed material
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A snake coiled around Wood Duck eggs located in a wooden Wood Duck house, 1965.
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Leopold, Frederic, 1895-1989
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Wood Duck
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Burlington
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Frederic Leopold Papers | MS 113
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6
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6
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Photograph of the inside bottom of a Wood Duck house
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Photographs
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Birds--Research Birdhouses
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1965-01-01
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1965-12-31
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Manuscript, graphic, and printed material
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The nesting material and other debris on the inside bottom of a wooden Wood Duck house, 1965.
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Leopold, Frederic, 1895-1989
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Wood Duck
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Burlington
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|
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Frederic Leopold Papers | MS 113
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6
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7
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Photograph of Frederic Leopold's house with a Wood Duck house in a tree
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Photographs
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Birds--Research Wildlife conservationists Birdhouses
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1966-01-01
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1966-12-31
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Manuscript, graphic, and printed material
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The house of Frederic Leopold located in Burlington, Iowa, situated overlooking the bluffs of the Mississippi River, 1966. A wooden Wood Duck house is attached to a tree located nearby the house.
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Leopold, Frederic, 1895-1989
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Wood Duck
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Burlington
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|
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Frederic Leopold Papers | MS 113
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6
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8
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Photograph of a Wood Duck house in tree near the Mississippi River
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Photographs
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Birds--Habitat Birds--Research Birdhouses
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1966-01-01
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1966-12-31
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Manuscript, graphic, and printed material
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A wooden Wood Duck house attached to a tree located along the Mississippi River, 1966.
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Leopold, Frederic, 1895-1989
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Wood Duck
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Burlington Mississippi River, Iowa
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Frederic Leopold Papers | MS 113
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6
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8
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Photograph of a mother Wood Duck and ducklings inside a duck house
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Photographs
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Birds--Research Birdhouses Ducklings Wood duck--Behavior
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1966-01-01
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1966-12-31
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Manuscript, graphic, and printed material
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A mother Wood Duck sits on top of nesting material inside a Wood Duck house, surrounded by her ducklings, 1966.
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Leopold, Frederic, 1895-1989
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Wood Duck
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Burlington
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|
|
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Frederic Leopold Papers | MS 113
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6
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8
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Photograph of Wood Duck eggs under down feathers
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Photographs
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Birds--Eggs Birds--Research Birdhouses Wood duck--Behavior
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1966-01-01
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1966-12-31
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Manuscript, graphic, and printed material
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The inside bottom of a Wood Duck house covered with nesting material, 1966. Wood Duck eggs are visible beneath the mother's down feathers.
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Leopold, Frederic, 1895-1989
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Wood Duck
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Burlington
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|
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Frederic Leopold Papers | MS 113
|
6
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8
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Photograph of Wood Duck eggs and nesting material in a duck house
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Photographs
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Birds--Eggs Birds--Research Birdhouses
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1966-01-01
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1966-12-31
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Manuscript, graphic, and printed material
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The inside bottom of a Wood Duck house covered in nesting material, 1966. Twelve Wood Duck eggs lay in the middle of the nesting material.
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Leopold, Frederic, 1895-1989
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Wood Duck
|
Burlington
|
|
|
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Frederic Leopold Papers | MS 113
|
6
|
9
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Photograph of mother Wood Duck sitting on eggs in a duck house
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Photographs
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Birds--Eggs Birds--Research Birdhouses Eggs--Incubation Wood duck--Behavior
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1966-01-01
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1966-12-31
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Manuscript, graphic, and printed material
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A mother Wood Duck sits on top of nesting material inside a Wood Duck house, 1966. Three Wood Duck eggs are visible beneath her.
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Leopold, Frederic, 1895-1989
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Wood Duck
|
Burlington
|
|
|
|
Frederic Leopold Papers | MS 113
|
6
|
9
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Photograph of a mother Wood Duck sitting on eggs in duck house
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Photographs
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Birds--Research Birdhouses Eggs--Incubation Wood duck--Behavior
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1966-05-01
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1966-05-31
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Manuscript, graphic, and printed material
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A mother Wood Duck sits on top of nesting material inside a Wood Duck house, May 1966. Five Wood Duck eggs are visible beneath her.
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Leopold, Frederic, 1895-1989
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Wood Duck
|
Burlington
|
|
|
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Frederic Leopold Papers | MS 113
|
6
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12
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Photograph of a Wood Duck duckling jumping from a duck house
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Photographs
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Birds--Research Birdhouses Ducklings Wood duck--Behavior
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1966-01-01
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1966-12-31
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Manuscript, graphic, and printed material
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A Wood Duck duckling jumps from a wooden Wood Duck house, 1966. The duck house is attached to the side of a house directly underneath a window.
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Leopold, Frederic, 1895-1989
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Wood Duck
|
Burlington
|
|
|
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Frederic Leopold Papers | MS 113
|
6
|
13
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Photograph of a Wood Duck duckling jumping from duck house
|
Photographs
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Birds--Research Birdhouses Ducklings Wood duck--Behavior
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1966-05-01
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1966-05-31
|
Manuscript, graphic, and printed material
|
A Wood Duck duckling jumping from a wooden Wood Duck house that is fastened to a tree trunk, May 1966.
|
Leopold, Frederic, 1895-1989
|
Wood Duck
|
Burlington
|
|
|
|
Frederic Leopold Papers | MS 113
|
6
|
16
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Photograph of Wood Duck ducklings in a duck house
|
Photographs
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Birds--Research Birdhouses Ducklings Wood duck--Behavior
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1977-05-01
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1977-05-31
|
Manuscript, graphic, and printed material
|
Several Wood Duck ducklings laying in nesting material on the inside bottom of a Wood Duck house, May 1971.
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Leopold, Frederic, 1895-1989
|
Wood Duck
|
Burlington
|
|
|
|
Frederic Leopold Papers | MS 113
|
6
|
17
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Photograph of mother Wood Duck and ducklings inside a duck house
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Photographs
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Birds--Research Birdhouses Ducklings Wood duck--Behavior
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1971-06-01
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1977-06-30
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Manuscript, graphic, and printed material
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A mother Wood Duck and several ducklings on the inside bottom of a duck house, June 1971.
|
Leopold, Frederic, 1895-1989
|
Wood Duck
|
Burlington
|
|
|
|
Frederic Leopold Papers | MS 113
|
6
|
18
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Photograph of a mother Wood Duck in a duck house
|
Photographs
|
Birds--Habitat Birds--Research Birdhouses Wood duck--Behavior
|
1971-07-01
|
1971-07-31
|
Manuscript, graphic, and printed material
|
A mother Wood Duck looking out of the opening of a Wood Duck house that is attached to a tree, July 1971
|
Leopold, Frederic, 1895-1989
|
Wood Duck
|
Burlington
|
|
|
|
Frederic Leopold Papers | MS 113
|
7
|
1
|
Photograph of a mother Wood Duck diving from a duck house
|
Photographs
|
Birds--Habitat Birds--Research Birdhouses Wood duck--Behavior
|
1971-07-01
|
1971-07-31
|
Manuscript, graphic, and printed material
|
A mother Wood Duck diving out of the opening of a Wood Duck house that is attached to a tree, July 1971.
|
Leopold, Frederic, 1895-1989
|
Wood Duck
|
Burlington
|
|
|
|
Frederic Leopold Papers | MS 113
|
7
|
1
|
Photograph of a Wood Duck duckling in a duck house
|
Photographs
|
Birds--Research Birdhouses Ducklings Wood duck--Behavior
|
1971-07-01
|
1971-07-31
|
Manuscript, graphic, and printed material
|
A Wood Duck duckling looking out of the opening of a Wood Duck house that is attached to a tree, July 1971.
|
Leopold, Frederic, 1895-1989
|
Wood Duck
|
Burlington
|
|
|
|
Frederic Leopold Papers | MS 113
|
7
|
1
|
Photograph of a Wood Duck duckling diving from a duck house
|
Photographs
|
Birds--Research Birdhouses Ducklings Wood duck--Behavior
|
1971-07-01
|
1971-07-31
|
Manuscript, graphic, and printed material
|
A Wood Duck duckling diving out of the opening of a Wood Duck house that is attached to a tree, July 1971.
|
Leopold, Frederic, 1895-1989
|
Wood Duck
|
Burlington
|
|
|
|
Frederic Leopold Papers | MS 113
|
7
|
1
|
Photograph of Wood Duck houses in trees
|
Photographs
|
Birds--Research Birdhouses
|
1971-05-01
|
1971-05-31
|
Manuscript, graphic, and printed material
|
Several trees along a bluff overlooking the Mississippi River that each have a wooden Wood Duck house attached to the trunk, May 1971.
|
Leopold, Frederic, 1895-1989
|
Wood Duck
|
Burlington
|
|
|
|
Frederic Leopold Papers | MS 113
|
7
|
2
|