Title Genres Topics Date (Start) Date (End)
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
Special spring bird census flyer Correspondence Fliers (printed matter) Bird surveys Bird watching Birds--Counting Birds--Migration 1970-05-10 N/A
Documents regarding the 1977 Ames Audubon Christmas Bird Count Checklists Field notes Forms (documents) Instructions (document genre) Bird surveys Bird watching Birds--Counting 1977-01-01 1977-12-31
Tri-city Bird Club daily field card compiled by Peter C. Petersen and Dale Birkenholz, May 29, 1956 Checklists Bird watching Birds--Counting Birds--Identification Anseriformes | Ducks, Geese, and Swans Ornithology--Methodology Scolopacidae | Sandpipers, Phalaropes, and allies 1956-05-29 N/A
Documents regarding the Boone County Christmas Bird Count Checklists Forms (documents) Instructional materials Bird surveys Bird watchers Bird watching Birds--Counting Anseriformes | Ducks, Geese, and Swans Laridae | Gulls and Terns Piciformes | Woodpeckers and allies N/A 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
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
Documents regarding the 1992 Boone Christmas Bird Count Checklists Instructions (document genre) Maps (documents) Bird surveys Bird watching Birds--Counting 1992-01-01 1992-12-31
Erik Munson letter to the members of Big Bluestem Audubon Society regarding the Boone County Christmas Bird Count Correspondence Bird surveys Bird watching Birds--Counting 1990-01-01 1990-12-31
Big Bluestem Audubon Society Birdathon flyer Fliers (printed matter) Bird surveys Bird watching Birds--Counting 1998-05-09 N/A
Bill Youngworth letter to Woodward Hart Brown regarding dubious Christmas census reports, May 25, 1954 Correspondence Bird watching Birds--Counting Birds--Geographical distribution Winter Zoological specimens 1954-05-25 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
Philip DuMont telegram to Burt Gresham regarding Goose migration, Spring 1933 Correspondence Field notes Bird watching Birds--Counting Birds--Migration 1933-03-01 1933-05-31
Daily field checking list, Philip DuMont, 1928 to 1934 Checklists Field notes Bird watching Birds--Counting Gruiformes | Cranes, Rails, and Coots Columbiformes | Doves and Pigeons Anseriformes | Ducks, Geese, and Swans Podicipediformes | Grebes Falconiformes | Hawks, Eagles, Falcons, Osprey, and Vultures Ciconiiformes | Herons, Bitterns, Egrets, Ibises, and Storks Passeriformes | Perching-birds and songbirds Charadriiformes | Shore-birds, Gulls, and Auks Galliformes | Quails, Pheasants, Turkeys, and Grouse Piciformes | Woodpeckers and allies Apodiformes | Swifts and Hummingbirds Cuculiformes | Cuckoos, Roadrunners, and Anis Caprimulgiformes | Nighthawks and Nightjars Coraciiformes | Kingfishers 1928-05-20 1934-05-13
Burt Gresham letter to Philip DuMont regarding Goose migration, April 9, 1938 Correspondence Field notes Surveys (documents) Bird watching Birds--Counting Birds--Migration 1938-04-09 N/A
Philip DuMont letter to Burt Gresham regarding Goose migration, April 4, 1938 Correspondence Field notes Bird watching Birds--Counting Birds--Migration 1938-04-04 N/A
Philip DuMont telegram to Burt Gresham regarding Goose migration, March 1938 Correspondence Field notes Bird watching Birds--Counting Birds--Migration 1938-03-01 1938-03-31
Philip DuMont telegram to Burt Gresham regarding Goose migration, March 18, 1938 Correspondence Field notes Bird watching Birds--Counting Birds--Migration 1938-03-18 N/A
Philip DuMont telegram to Burt Gresham regarding Goose migration Correspondence Field notes Bird watching Birds--Counting Birds--Migration 1936-03-01 1936-05-31
Burt Gresham letter to Philip DuMont regarding Goose migration, April 14, 1933 Correspondence Bird watching Birds--Counting Birds--Migration 1933-04-14 N/A
Ames Audubon Newsletter, Volume 1, Number 5, December 10, 1968 Newsletters Bird surveys Bird watching Birds--Counting Environmental policy Ornithology--Societies, etc Wildlife conservation Women conservationists Environmental monitoring 1968-12-10 N/A
Hairy Woodpecker logs, Woodward Hart Brown, 1950-1977 Field notes Research notes Surveys (documents) Bird surveys Bird watching Birds--Counting Weather 1950-01-01 1977-12-31
Letter to I.T. Bode regarding Waterfowl conditions that might affect Iowa, January 3, 1934 Correspondence Reports Bird surveys Birds--Counting Fowling Water levels Waterfowl 1934-01-03 N/A
Inspection tour of Iowa lakes Reports Birds--Counting Hunting Wildlife-related recreation surveys Lakes--Iowa 1934-10-02 1934-10-04
Field trip by Philip A. DuMont Reports Birds--Counting Wildlife conservation Wildlife-related recreation surveys Parks--Iowa Natural areas 1934-09-12 1934-09-22