Title Genres Topics Date (Start) Date (End)
Lantern slide and photograph of mice found in Barred Owl nest Lantern slides Photographs Birds--Food Bird droppings 1929-04-13 N/A
Lantern slide and photograph of young Chickadees perching in a tree Lantern slides Photographs Paridae | Titmice Birds--Infancy 1932-06-08 N/A
Field notes contributed by Jacob T. Gilliam, summer 2002 Field notes Photographs Bird watching Birds--Counting Birds--Identification Birds--Nests Birds--Infancy 2002-06-01 2002-07-31
Field notes, photograph, and letter to James J. Dinsmore contributed by Ed Thelen, summer 2002 Correspondence Field notes Photographs Bird watching Birds--Counting Birds--Identification Birds--Nests Birds--Infancy 2002-06-01 2002-07-31
Lantern slide and photograph of the Phoebe nest site Lantern slides Photographs Birds--Habitat 1925-05-02 N/A
Lantern slide and photograph of the contents found in a Great Horned Owl nest Lantern slides Photographs Birds--Food 1934-03-04 1934-03-13
Photograph of the contents found in a Great Horned Owl nest Photographs Birds--Food Bird droppings 1935-04-04 N/A
Wilson's Phalaropes nesting in Northwest Iowa Field notes Photographs Bird watching Birds--Identification Birds--Nests 1968-06-01 1968-06-30
Photograph of a Mockingbird nest in a grape vine Photographs Birds--Nests 1929-06-25 N/A
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 Wood Duck eggs and nesting material in a duck house Photographs Birds--Eggs Birds--Research Birdhouses 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 the inside bottom of a Wood Duck house Photographs Birds--Research Birdhouses 1965-01-01 1965-12-31
Lantern slide and photograph of Bobwhite Quail remains by the nest Lantern slides Photographs Birds--Eggs Predation (Biology) 1925-09-15 N/A
Lantern slide and photograph of remains from a Duck Hawk kill Lantern slides Photographs Predation (Biology) 1930-03-30 N/A
Photograph of three hatching Wood Duck eggs Photographs Birds--Eggs Birds--Research 1971-07-01 1971-07-31
Photograph of three Red-shouldered Hawks in a nest Photographs Birds--Infancy 1941-05-18 N/A
Photograph of Wood Duck eggs beginning to hatch Photographs Birds--Eggs Birds--Research 1966-05-01 1966-05-31
Lantern slide and photograph of three young Barred Owls perching on a tree branch Lantern slides Photographs Birds--Infancy 1928-04-22 N/A
Lantern slide and photograph of three young Barred Owls perching on a tree trunk Lantern slides Photographs Birds--Infancy 1928-04-22 N/A
Lantern slide and photograph of three young Barred Owls perching on a tree trunk Lantern slides Photographs Birds--Infancy 1928-04-28 N/A
Lantern slide and photograph of three young Barred Owls perching on a tree trunk Lantern slides Photographs Birds--Infancy 1928-04-28 N/A
Photograph of three young Crows in a nest Photographs Birds--Infancy 1927-05-16 N/A
Lantern slide and photograph of three young Forster's Terns Lantern slides Photographs Birds--Infancy 1926-07-25 N/A
Lantern slide and photograph of three young Screech Owls perching on a tree branch Lantern slides Photographs Birds--Infancy 1933-05-24 N/A