Title Genres Topics Date (Start) Date (End)
Field report, March 1 to April 30 Field notes Bird watching Rare birds 1977-03-01 1977-05-31
Report for American Birds and Iowa Bird Life for the period 1 March, 1977 to 25 May, 1977 Field notes Bird watching Birds--Counting 1977-05-28 N/A
Report for American Birds and Iowa Bird Life for the period August 1, 1977 to November 30, 1977 Field notes Bird watching Birds--Counting 1977-08-01 1977-11-30
Field report, May 31, 1977 Field notes Bird watching Birds--Counting 1977-05-31 N/A
Field report for Spring, April 1 to May 31, 1977 Field notes Bird declines Bird populations Bird watching Habitat (Ecology) 1977-03-01 1977-05-31
Review of fall, 1978 Field notes Bird watching Birds--Counting 1978-08-01 1978-11-30
Bird sightings reported by Genevieve DeLong, 1977 Field notes Bird banding Bird watching Migratory birds 1977-03-04 1977-05-13
Field records: April 4 through May 30, 1977 Field notes Bird populations Bird watching Charadriiformes | Shore-birds, Gulls, and Auks Parulidae | Warblers 1977-04-04 1977-05-30
Field report from Dubuque, June 1977 Field notes Bird populations Bird watching 1977-06-01 1977-06-30
Myrle M. Burk letter to Nicholas S. Halmi regarding a sighting of a flock of Canada Geese in Waterloo, Iowa, January 2, 1977 Correspondence Field notes Bird populations Bird watching Birds--Behavior 1977-01-02 N/A
Spring Report - Fremont Co. Iowa Field notes Bird watching Migratory birds Charadriiformes | Shore-birds, Gulls, and Auks Weather 1976-03-01 1976-05-31
Richard DeCoster letter to Vernon Kleen regarding Iowa bird observations for winter 1975/1976, April 2, 1976 Correspondence Field notes Bird watching Birds--Counting Birds--Research Ornithology--Methodology 1976-04-02 N/A
Red Rock Reservoir spring migration, May 29, 1974 Field notes Bird watching Birds--Habitat Birds--Migration Habitat (Ecology) 1974-05-29 N/A
Report from Red Rock Refuge and Lake area, Pleasantville, Iowa, winter season, December 1970-March 1971 Field notes Bird watching Birds--Migration Anseriformes | Ducks, Geese, and Swans Weather 1970-12-01 1971-03-31
Red Rock Lake, Red Rock Refuge, Iowa, spring 1973 Field notes Bird watching Birds--Nests Birds--Research Environmental monitoring 1973-03-01 1973-05-31
Field notes for Prairie Warbler in Iowa in unknown year Field notes Bird watching Birds--Identification Ornithology--Technique Rare birds N/A N/A
Report for "American Birds" Midwestern Prarie Region: 1 August - 30 November 1976 Field notes Bird watching Birds--Research 1976-08-01 1976-11-30
Christmas census, Des Moines Audubon Society, December 26, 1925 Field notes Reports Drafts (documents) Bird surveys Bird watching Birds--Counting Weather 1925-12-26 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
W. Ross Silcock letter to Nicholas S. Halmi regarding highlights of the Christmas bird count, January 30, 1977 Correspondence Field notes Bird watching Birds--Counting Birds--Research Ornithology--Methodology Fringillidae | Finches N/A N/A
Mildred Stewart post card to Peter C. Petersen regarding the bird sightings in Grinnell, Iowa, February 25, 1965 Correspondence Field notes Bird watching 1965-02-25 N/A
Florence McCaughey letter to Peter C. Petersen regarding 1962 fall migration report, December 6, 1962 Correspondence Field notes Bird watching Birds--Migration Birds--Research Ornithology--Methodology 1962-12-06 N/A
Field Reports, Spring 1977 Field notes Bird watching Birds--Identification Birds--Migration 1977-06-03 1977-06-05
Rene Laubach letter to Thomas H. Kent regarding bird sightings, November 25, 1980 Correspondence Field notes Bird watching 1980-11-25 N/A
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