Title Genres Topics Date (Start) Date (End)
Photograph of a Rough-legged Hawk roost Photographs Birds--Habitat 1960-11-01 1961-02-28
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 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
Records Committee review for rare bird sighting for Common Raven at Superior Township in Dickinson County in 1956 Administrative records Clippings (information artifacts) Field notes Photographs Birds--Identification Rare birds Birds--Collection and preservation Zoological specimens 1957-03-01 1994-02-04
Records Committee review for rare bird sighting for an Ibis species at Swan Lake in 1954 Administrative records Clippings (information artifacts) Field notes Photographs Birds--Behavior Birds--Identification Ciconiiformes | Herons, Bitterns, Egrets, Ibises, and Storks Threskiornithidae | Ibises Rare birds Zoological specimens 1954-04-10 1993-08-26
Photograph of three Red-shouldered Hawks in a nest Photographs Birds--Infancy 1941-05-18 N/A
Records Committee review for rare bird sighting for Ruff at Cone Marsh in 1940 Administrative records Clippings (information artifacts) Field notes Photographs Birds--Identification Rare birds Zoological specimens 1941-04-01 1994-02-04
Photograph of a Bell's Vireo feeding young Photographs Birds--Infancy 1940-06-30 N/A
Photograph of Frederic Leopold and John Hale near Two Key Island, Mississippi River above Iowa River Photographs Fowling 1940-01-01 1940-12-31
Records Committee review for rare bird sighting for Red Knot at Goose Lake in 1937 Administrative records Clippings (information artifacts) Field notes Photographs Birds--Identification Rare birds Zoological specimens 1938-04-01 1994-02-04
Lantern slide and photograph of a Bluebird perching at a birdhouse Lantern slides Photographs Bird watching Turdidae | Thrushes 1937-01-01 1937-12-31
Lantern slide and photograph of four young Goldfinches perching on a branch Lantern slides Photographs Birds--Infancy 1936-08-31 N/A
Lantern slide and photograph of eggs in a Goldfinch nest Lantern slides Photographs Birds--Eggs 1936-08-15 N/A
Lantern slide and photograph of a Goldfinch sitting on a nest Lantern slides Photographs Birds--Nests 1936-08-15 N/A
Lantern slide and photograph of a pair of Mallards with ducklings Lantern slides Photographs Ducklings 1936-05-27 N/A
Lantern slide and photograph of a Mallard hen with eight ducklings Lantern slides Photographs Ducklings 1936-05-27 N/A
Lantern slide and photograph of a pair of Mallards swimming with ducklings Lantern slides Photographs Ducklings 1936-05-27 N/A
Lantern slide and photograph of a pair of nesting Canada Geese Lantern slides Photographs Birds--Nests 1936-05-27 N/A
Lantern slide and photograph of a Canada Goose standing over a nest Lantern slides Photographs Birds--Eggs Birds--Nests 1936-05-27 N/A
Lantern slide and photograph of a Canada Goose on a nest Lantern slides Photographs Birds--Eggs Birds--Nests 1936-05-27 N/A
Photograph of a Mallard hen and ten ducklings swimming Photographs Ducklings 1935-08-01 1935-08-31
Photograph of a group on a bird hike Photographs Bird watchers 1935-08-01 1935-08-31
Photograph of the contents found in a Great Horned Owl nest Photographs Birds--Food Bird droppings 1935-04-04 N/A
Lantern slide and photograph of eggs in a Dickcissel nest Lantern slides Photographs Birds--Eggs 1934-07-05 N/A