Title Genres Topics Date (Start) Date (End)
Winter raptor survey, 1978 Maps (documents) Reports Bird watching Birds of prey Birds--Habitat Birds--Research Falconiformes | Hawks, Eagles, Falcons, Osprey, and Vultures Strigiformes | Owls 1978-12-01 1978-12-31
Iowa map with Evening Grosbeak sightings, winter 1977-1978 Field notes Maps (documents) Bird watching Birds--Counting 1977-11-28 N/A
James J. Dinsmore letter to Fred Lesher regarding location of a Bald Eagle nest, June 20, 1985 Correspondence Maps (documents) Birds--Nests 1985-06-20 N/A
Tim Mason letter to Bob Howe regarding Double-crested Cormorant nesting, June 26, 1984 Correspondence Maps (documents) Birds--Nests Ciconiiformes | Herons, Bitterns, Egrets, Ibises, and Storks 1984-06-26 N/A
Fred Lesher letter to Thomas H. Kent regarding bald eagle nests, April 14, 1985 Correspondence Field notes Maps (documents) Bird watching Birds--Nests Cartography Falconiformes | Hawks, Eagles, Falcons, Osprey, and Vultures Nest building 1985-04-14 N/A
Invasion of Iowa by the European Starling Maps (documents) Bird surveys Birds--Geographical distribution Introduced birds N/A N/A
Records Committee review for rare bird sighting for Ferruginous Hawk at Mills County before 1918 Administrative records Clippings (information artifacts) Field notes Maps (documents) Birds--Identification Rare birds 1918-01-01 1994-02-03
Maps of Adair County and Ringgold County with Loggerhead Shrike nest locations observed by David DeGeus, summer 1987 Correspondence Field notes Maps (documents) Bird watching Birds--Identification Birds--Nests Birds--Research 1987-06-01 1987-07-31
Maps of Audubon County and Cass County with Marbled Godwit and Great Egret locations, contributed by Marietta Petersen and Lois Eggleston, spring 1988 Field notes Maps (documents) Bird watching Weather 1988-03-01 1988-05-31
Principal waterfowl flyways, Fall migration Maps (documents) Birds--Migration Flyways N/A N/A
Bruce Ehresman letter to Thomas Kent regarding Burrowing Owl sightings, June 2, 1993 Field notes Maps (documents) Bird watching Birds--Nests 1993-06-02 N/A
Records Committee review for rare bird sighting for Clark's Nutcracker at Warren County in 1969 Administrative records Clippings (information artifacts) Field notes Maps (documents) Birds--Geographical distribution Birds--Identification Rare birds 1973-06-01 1994-02-04
Records Committee review for rare bird sightings for Clark's Nutcracker at Iowa in 1972-73 Administrative records Clippings (information artifacts) Field notes Maps (documents) Birds--Geographical distribution Birds--Identification Rare birds 1973-06-01 1994-02-04
Field reports form for submitting seasonal observations of Iowa birds, Tom Johnson, spring 1998 Field notes Forms (documents) Maps (documents) Bird watching Birding sites Birds--Identification Charadriiformes | Shore-birds, Gulls, and Auks 1998-03-01 1998-05-31
Lantern slide of a Bobolink range map Lantern slides Maps (documents) Birds--Migration N/A N/A
Lantern slide of a Golden Plover range map Lantern slides Maps (documents) Birds--Migration N/A N/A
Lantern slide of an Arctic Tern range map Lantern slides Maps (documents) Birds--Migration N/A N/A
Lantern slide of a Red-eyed Vireo range map Lantern slides Maps (documents) Birds--Migration N/A N/A
Lantern slide of a Grosbeak range map Lantern slides Maps (documents) Birds--Migration Passeriformes | Perching-birds and songbirds N/A N/A
Lantern slide of a Canada Goose migration route map Lantern slides Maps (documents) Birds--Migration N/A N/A
Lantern slide of a Redstart range map Lantern slides Maps (documents) Birds--Migration N/A N/A
Lantern slide of a Tanager range map Lantern slides Maps (documents) Birds--Migration Thraupidae | Tanagers N/A N/A
Birding areas of Iowa: the unglaciated northeast Correspondence Maps (documents) Drafts (documents) Articles Bird watching Birding sites Falconiformes | Hawks, Eagles, Falcons, Osprey, and Vultures Scolopacidae | Sandpipers, Phalaropes, and allies Piciformes | Woodpeckers and allies 1974-05-13 N/A
Polk County check-list of the observations of members of the Des Moines Audubon Society Checklists Field notes Maps (documents) Bird watching Birds--Migration Birds--Research 1973-11-01 1973-11-30
Annotated copy of Polk County check-list of the observations of members of the Des Moines Audubon Society, 1959 Checklists Field notes Maps (documents) Bird watching Birds--Migration Birds--Research 1949-06-05 1973-04-17