Title Genres Topics Date (Start) Date (End)
James J. Dinsmore letter to Bruce Ehresman regarding Short-eared Owls and Northern Harriers , December 28, 1988 Correspondence Field notes Bird watching Birds--Eggs Birds--Nests Birds--Infancy 1988-12-28 N/A
James J. Dinsmore letter to Bruce G. Peterjohn with additional summer bird sightings, August 15, 1988 Correspondence Field notes Bird watching Birds--Nests Birds--Infancy 1988-08-15 N/A
Jane Clark email to multiple recipients regarding the successful fledging of Peregrine Falcons in Des Moines, June 29, 2000 Correspondence Field notes Bird watching Birds--Identification Birds--Infancy 2000-06-29 N/A
John Van Dyk letter to Carl J. Bendorf regarding bird sightings, fall 1988 Correspondence Field notes Bird watching Birds--Migration Birds--Nests Birdsongs Parulidae | Warblers Weather Birds--Infancy 1988-08-01 1988-11-30
John Van Dyk letter to Thomas H. Kent regarding bird sightings, December 1, 1991 Correspondence Field notes Bird feeders Bird watching Birds--Migration Weather Birds--Infancy 1991-12-01 N/A
John Van Dyk letter to Thomas H. Kent regarding bird sightings, June 1, 1997 Correspondence Field notes Bird feeders Bird watching Birds--Migration Birdsongs Weather Birds--Infancy 1997-06-01 N/A
Lantern slide and photograph of a Field Sparrow at nest with food Lantern slides Photographs Birds--Food Birds--Infancy 1933-06-06 N/A
Lantern slide and photograph of a flock of young Ring-billed Gulls swimming Lantern slides Photographs Birds--Infancy 1924-06-18 N/A
Lantern slide and photograph of a Forster's Tern at nest with young Lantern slides Photographs Birds--Infancy Eggs--Incubation 1926-07-26 N/A
Lantern slide and photograph of a Forster's Tern feeding young Lantern slides Photographs Birds--Infancy 1926-07-26 N/A
Lantern slide and photograph of a Forster's Tern feeding young at nest Lantern slides Photographs Birds--Infancy 1926-07-26 N/A
Lantern slide and photograph of a Louisiana Water Thrush at nest containing young Lantern slides Photographs Birds--Infancy 1932-06-01 N/A
Lantern slide and photograph of a newly hatched American Avocet chick leaving the nest Lantern slides Photographs Birds--Infancy 1924-06-25 N/A
Lantern slide and photograph of a Prairie Chicken in tall grass Lantern slides Photographs Birds--Infancy 1930-06-04 N/A
Lantern slide and photograph of a Prairie Horned lark nest in snow Lantern slides Photographs Birds--Nests Birds--Infancy 1927-04-21 N/A
Lantern slide and photograph of a Purple Martin about to feed her young Lantern slides Photographs Birds--Infancy 1931-01-01 1931-12-31
Lantern slide and photograph of a Purple Martin feeding her young Lantern slides Photographs Birds--Infancy 1926-07-17 N/A
Lantern slide and photograph of a Sharp-tailed Grouse nest with chicks hatching Lantern slides Photographs Birds--Infancy 1924-06-20 N/A
Lantern slide and photograph of a Warbling Vireo preparing to feed young in a nest Lantern slides Photographs Birds--Nests Birds--Infancy 1927-06-27 N/A
Lantern slide and photograph of a Wild Turkey hen with chicks Lantern slides Photographs Birds--Infancy 1932-09-14 N/A
Lantern slide and photograph of a young Cedar Waxwing Lantern slides Photographs Birds--Infancy 1924-07-31 N/A
Lantern slide and photograph of a young Flicker clinging to a tree trunk Lantern slides Photographs Birds--Infancy 1924-06-10 N/A
Lantern slide and photograph of a young Forster's Tern Lantern slides Photographs Birds--Infancy 1926-07-25 N/A
Lantern slide and photograph of a young Forster's Tern perching on a rocky shore Lantern slides Photographs Birds--Infancy 1926-07-25 N/A
Lantern slide and photograph of a young male Rose-breasted Grosbeak eating sunflower seeds Lantern slides Photographs Birds--Food Birds--Infancy 1930-08-30 N/A