Title Genres Topics Date (Start) Date (End)
Clarence Cottam letter to Walter Rosene regarding the analysis and contents of Long-eared Owl pellets, May 28, 1936 Correspondence Reports Birds--Research Ornithology--Methodology Bird droppings 1936-05-28 N/A
Iowa Ornithologists' Union, Quarterly field report, fall 1967 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology 1967-08-01 1967-11-30
Letter to W. Ross Silcock regarding data tables for the Christmas bird count report, February 5, 1987 Correspondence Field notes Tables (documents) Bird watching Birds--Counting Birds--Research Ornithology--Methodology 1987-02-05 N/A
John C. Robinson letter to Thomas H. Kent regarding Iowa Bird Life printing errors with his bird sightings, January 1, 1983 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology 1983-01-01 N/A
Fred Lesher letter to Thomas H. Kent regarding a raptor survey and winter bird sightings, February 6, 1983 Correspondence Field notes Bird surveys Bird watching Birds--Research Ornithology--Methodology 1983-02-06 N/A
J. Donald Gillaspey letter to Thomas H. Kent regarding winter bird sightings, February 3, 1983 Correspondence Field notes Bird banding Bird watching Birds--Nests Birds--Research Ornithology--Methodology 1983-02-03 N/A
Field notes contributed by Ronald Harms, winter 1982-1983 Correspondence Field notes Reports Bird watching Birds--Counting Birds--Research Ornithology--Methodology 1982-12-01 1983-02-28
Field notes contributed by Douglas C. Harr, February 25, 1983 Correspondence Field notes Forms (documents) Animal migration--Climatic factors Bird watching Birds--Research Ornithology--Methodology Weather 1983-02-25 N/A
Richard Jule Hollis letter to Thomas H. Kent regarding categories of birds, winter 1982-1983 Correspondence Field notes Bird watching Birds--Counting Birds--Research Ornithology--Methodology 1982-12-01 1983-02-28
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
Woodward H. Brown letter to Peter C. Petersen regarding winter migration, March 19, 1966 Correspondence Field notes Bird watching Birds--Migration Birds--Research Columbiformes | Doves and Pigeons Sittidae | Nuthatches Ornithology--Methodology 1966-03-19 N/A
Mark Widrlechner letter to Hank Zaletel regarding the Boone County Christmas Bird Count Correspondence Bird surveys Bird watching Birds--Counting Ornithology--Methodology 1996-01-01 1996-12-31
Jim Sinclair letter to Thomas Kent regarding bird documentation, October 2, 1999 Correspondence Field notes Bird watching Ornithology--Methodology Rare birds 1999-10-02 N/A
Two letters sent between Rushton G. Cortelyou and Thomas H. Kent, regarding a Piping Plover sighting, July 1986 Correspondence Field notes Birds--Identification Birds--Nests Ornithology--Methodology Ornithology--Societies, etc Rare birds 1986-05-28 1986-07-12
Douglas E. Trapp letter to Thomas H. Kent regarding raptor migration watch, October 3, 1986 Correspondence Field notes Bird watching Birds of prey Birds--Migration Ornithology--Methodology Weather 1986-10-03 N/A
Tanya Bray letter and field report to Thomas H. Kent, November 29, 1982 Correspondence Field notes Bird declines Bird watching Birds--Habitat Birds--Migration Birds--Nests Birds--Research Ciconiiformes | Herons, Bitterns, Egrets, Ibises, and Storks Ornithology--Methodology Charadriiformes | Shore-birds, Gulls, and Auks Vireonidae | Vireos Parulidae | Warblers 1982-11-29 N/A
Bob Barratt letter to Thomas H. Kent regarding bird sightings, December 1, 1982 Correspondence Field notes Bird watching Birds--Habitat Birds--Research Ornithology--Methodology 1982-12-01 N/A
Fred Lesher letter to Thomas H. Kent regarding bird sightings in West Des Moines, Iowa, August 16, 1982 Correspondence Field notes Bird declines Bird watching Birds--Research Ornithology--Methodology Vireonidae | Vireos 1982-08-16 N/A
Tanya Bray letter to Thomas H. Kent regarding bird sightings, October 10, 1982 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology Charadriiformes | Shore-birds, Gulls, and Auks 1982-10-10 N/A
Robert W. Howe letter to James J. Dinsmore regarding a report of a Henslow's Sparrow, November 1, 1982 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology 1982-11-01 N/A
Charlotte Scott letter to Nicholas S. Halmi regarding bird sightings, May 31, 1978 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology 1978-05-31 N/A
Audubon field notes for Iowa, fall 1966 Correspondence Field notes Bird watching Birds--Identification Birds--Migration Birds--Research Ornithology--Methodology Fringillidae | Finches 1966-08-01 1966-11-30
Woodward H. Brown postcard to Peter C. Petersen regarding the sighting of a female Oldsquaw and an Ani in Cedar Rapids, December 12, 1966 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology 1966-12-12 N/A
Woodward H. Brown letter to Peter C. Petersen regarding winter migration, April 2, 1966 Correspondence Field notes Bird watching Birds--Migration Birds--Research Ornithology--Methodology 1966-04-02 N/A
Female Summer Tanager - South edge of Mason City May 4+5, 1989 Correspondence Field notes Birds--Identification Ornithology--Methodology Rare birds 1989-05-04 1989-05-05