Title Genres Topics Date (Start) Date (End)
Bird migration records, North Dakota, 1924 Field notes Bird watching Birds--Geographical distribution Birds--Migration Game and game-birds Migratory birds Photography of birds Charadriiformes | Shore-birds, Gulls, and Auks 1925-05-01 N/A
Bird migration records, 1924 Field notes Bird watching Birds--Geographical distribution Birds--Migration Migratory birds 1925-02-07 N/A
Bird migration records, 1925 Field notes Bird watching Birds--Geographical distribution Birds--Migration Migratory birds 1926-01-18 N/A
Harry Oberholser letter to Oscar Allert regarding bird sightings, March 1, 1929 Correspondence Field notes Bird watching Birds--Identification Birds--Collection and preservation Zoological specimens 1929-03-01 N/A
Margaret Kohlman letter to Oscar Allert regarding Peregrine Falcon sightings, May 29, 1939 Correspondence Field notes Bird watching Birds--Identification Stamp collecting 1939-05-29 N/A
Ellison Orr letter to Oscar Allert regarding Peregrine Falcon sightings, March 10, 1934 Correspondence Field notes Bird watching Birds--Geographical distribution Birds--Nests 1934-03-10 N/A
George Kaufman letter to Oscar Allert regarding Bald Eagle and King Rail sightings, August 17, 1939 Correspondence Field notes Bird watching Birds--Nests 1939-08-17 N/A
Ellison Orr letter to Oscar Allert regarding a Bald Eagle nest sight, May 17, 1939 Correspondence Field notes Bird watching Birds--Food Birds--Nests 1939-05-17 N/A
Ellison Orr letter to Oscar Allert regarding Peregrine Falcon sightings, April 5, 1934 Correspondence Field notes Bird watching Birds--Food Birds--Geographical distribution Birds--Nests Anseriformes | Ducks, Geese, and Swans Duck shooting 1934-04-05 N/A
References for early and late dates of Iowa birds Field notes Bird watching Birds--Geographical distribution Birds--Migration Gruiformes | Cranes, Rails, and Coots Anseriformes | Ducks, Geese, and Swans Podicipediformes | Grebes Falconiformes | Hawks, Eagles, Falcons, Osprey, and Vultures Ciconiiformes | Herons, Bitterns, Egrets, Ibises, and Storks Migratory birds Passeriformes | Perching-birds and songbirds Charadriiformes | Shore-birds, Gulls, and Auks Strigiformes | Owls Apodiformes | Swifts and Hummingbirds Cuculiformes | Cuckoos, Roadrunners, and Anis Caprimulgiformes | Nighthawks and Nightjars 2001-10-03 N/A
Mark Widrlechner letter to Boone County Bird Count Participants regarding the 1999 Christmas Bird Count results, January 9, 1999 Correspondence Field notes Bird surveys Bird watching Birds--Counting Ornithology--Methodology 1999-01-09 N/A
Bird List on Field Trip at Ledges State Park of Iowa Ornithologists' Union Field notes Bird watching Icteridae | Blackbirds, Orioles, Meadowlarks, and allies Tyrannidae | Flycatchers Falconiformes | Hawks, Eagles, Falcons, Osprey, and Vultures Ornithology--Methodology Hirundinidae | Swallows Turdidae | Thrushes Vireonidae | Vireos Parulidae | Warblers Emberizidae | Sparrows 1928-05-12 N/A
Check-list of Iowa Birds compiled by Dennis L. Carter, May 18, 1957 Checklists Field notes Bird watching Birds--Identification Icteridae | Blackbirds, Orioles, Meadowlarks, and allies Anseriformes | Ducks, Geese, and Swans Ornithology--Methodology Scolopacidae | Sandpipers, Phalaropes, and allies Hirundinidae | Swallows Parulidae | Warblers Piciformes | Woodpeckers and allies Emberizidae | Sparrows 1957-05-18 N/A
Check-list of Iowa birds annotated by A. Lang Bailey Checklists Field notes Bird watching Birds--Identification Falconiformes | Hawks, Eagles, Falcons, Osprey, and Vultures Ornithology--Methodology Scolopacidae | Sandpipers, Phalaropes, and allies Parulidae | Warblers 1954-04-22 N/A
Fall, early spring, and late spring migration dates for Iowa Administrative records Field notes Bird watching Birds--Counting Birds--Identification Birds--Migration Anseriformes | Ducks, Geese, and Swans Tyrannidae | Flycatchers Parulidae | Warblers N/A N/A
Ames Christmas Bird Count Data Field notes Bird surveys Bird watching Birds--Counting Anseriformes | Ducks, Geese, and Swans Accipitridae | Hawks and Eagles Piciformes | Woodpeckers and allies Strigiformes | Owls Emberizidae | Sparrows 2003-12-22 N/A