Title Genres Topics Date (Start) Date (End)
Donald Gillaspey letter to Thomas Kent regarding bird sightings, fall 1994 Correspondence Field notes Bird watching Birds--Behavior Birds--Identification Birds--Nests Birdsongs Birds--Infancy 1994-08-01 1994-11-30
Don Joffray letter to Frederic Leopold regarding Wood Duck houses and nest takeover and predation, April 20, 1966 Correspondence Birds--Eggs Birds--Nests Birdhouses--Design and construction Predatory animals Squirrels--Behavior Raccoon--Behavior 1966-04-20 N/A
Documents regarding a Wood Duck study, February 27, 1964 Checklists Correspondence Questionnaires Bird surveys Bird watchers Birds--Nests Birds--Research Ornithology--Methodology Predatory animals Ducks--Counting Ducklings 1964-02-27 N/A
Documents regarding a Wood Duck study, 1963 Correspondence Questionnaires Bird surveys Bird watching Birds--Nests Birds--Research Ornithology--Methodology Ducklings 1963-01-01 1963-12-31
Dixie Kanago letter to Robert K. Myers regarding Common Redpoll and Red Crossbill sightings, May 2, 1988 Correspondence Field notes Bird feeders Bird watching 1988-05-02 N/A
Dick Bierman letter to Thomas Kent regarding fall field report for 1980, December 3, 1980 Correspondence Field notes Bird watching Birds--Migration 1980-12-03 N/A
Dick Bierman letter to Thomas H. Kent regarding Swainson's Hawk sightings, April 20, 1992 Correspondence Field notes Bird watching Birds--Food Weather 1992-04-20 N/A
Dick Bierman letter to Thomas H. Kent regarding bird sightings, November 28, 1979 Correspondence Field notes Bird watching 1979-11-28 N/A
Dick Bierman letter to Thomas H. Kent regarding bird sightings in northwest, Iowa, February 5, 1980 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology 1979-12-01 1980-02-28
Dick Bierman letter to Nicholas S. Halmi regarding winter bird sightings, February 6, 1979 Correspondence Field notes Bird watching Birds--Research Columbiformes | Doves and Pigeons Accipitridae | Hawks and Eagles Phasianidae | Pheasants, Turkeys, and Grouse 1979-02-06 N/A
Dick Bierman letter to Nicholas S. Halmi regarding spring bird sightings, May 28, 1979 Correspondence Field notes Reports Bird watching Birds--Migration Birds--Nests Anseriformes | Ducks, Geese, and Swans Gaviiformes | Loons Rare birds Parulidae | Warblers 1979-05-28 N/A
Dick Bierman letter to Nicholas S. Halmi regarding bird sightings, November 29, 1977 Correspondence Field notes Bird watching Birdsongs Birds--Infancy 1977-11-29 N/A
Dick Bierman letter to Nicholas S. Halmi regarding bird sightings, February 11, 1978 Correspondence Field notes Bird watching Birds--Research 1978-02-11 N/A
Des Moines Audubon Society letter to its members regarding Iowa Ornithologists' Union annual meeting, April 28, 1932 Correspondence Congresses and conventions Ornithology--Societies, etc 1932-04-28 N/A
Dennis Rogers postcard to Vernon Kleen regarding a Red-Necked Grebe sighting, November 26, 1979 Correspondence Field notes Birds--Identification Rare birds 1979-11-26 N/A
Dennis L. Carter letter to James J. Dinsmore regarding summer bird sightings, August 1, 2005 Correspondence Field notes Bird watching Birds--Counting Birds--Infancy 5005-08-01 N/A
Dennis L. Carter letter to James J. Dinsmore regarding a Pine Siskin sighting, August 3, 2004 Correspondence Field notes Bird feeders Bird watching Birds--Identification 2004-08-03 N/A
Dennis Henrickson letter to Thomas Kent regarding Bonaparte's Gull sightings, December 8, 1980 Correspondence Field notes Bird watching Birds--Identification Country life 1980-12-08 N/A
Dennis E. Goemaat letter to Thomas H. Kent regarding Prothonotary Warbler sightings, August 19, 1987 Correspondence Field notes Bird watching Rare birds 1987-08-19 N/A
Dennis Dahl letter to James J. Dinsmore regarding American White Pelican sightings, July 13 1988 Correspondence Field notes Bird watching Weather Birds--Feeding and feeds 1988-07-13 N/A
Dennis Carter letter to Carl Bendorf regarding field reports for inclusion in IOU quarterly field report, November 30, 1990 Correspondence Field notes Bird watching Birds--Identification Rare birds 1990-11-30 N/A
Dean Mosman letter to Vernon M. Kleen regarding bird kills at the Alleman TV tower and hawk population, November 20, 1975 Correspondence Field notes Bird watching Birds of prey Birds--Migration Birds--Research Accipitridae | Hawks and Eagles Radio and television tower bird strikes 1975-11-20 N/A
Dean Mosman letter to Vernon Kleen regarding hawks, April 8, 1976 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology 1976-04-08 N/A
Dean Mosman letter to Thomas Kent regarding winter bird sightings, February 11, 1981 Correspondence Field notes Bird watching Icteridae | Blackbirds, Orioles, Meadowlarks, and allies 1981-02-11 N/A
Dean Mosman letter to Thomas Kent regarding spring report, June 3, 1981 Correspondence Field notes Bird watching Weather 1981-03-06 N/A