Title Genres Topics Date (Start) Date (End)
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
Form for reporting Iowa Christmas bird counts to Iowa Bird Life, Peter C. Petersen, December 21, 1986 Field notes Tables (documents) Bird watching Birds--Counting Birds--Research Ornithology--Methodology Weather 1986-12-21 N/A
First occurrence of the Starling in the 99 Iowa counties Tables (documents) Bird surveys Bird watching Birds--Counting Introduced birds Ornithology--Methodology N/A N/A
Common Iowa bird arrivals, migrations, and departures Tables (documents) Bird watching Birds--Migration Birds--Research Ornithology--Methodology N/A N/A
Ames Christmas Bird Count data table, 1971-1996 Tables (documents) Bird surveys Bird watching Birds--Counting Ornithology--Methodology 1997-01-04 N/A
Bird Banding Near Fairfield During 1936-1937 Reports Tables (documents) Bird banding Ornithology--Methodology Hunting--Moral and ethical aspects Birds--Mortality 1936-01-01 1937-12-31
Nesting Wood Duck study (35 Years) Reports Tables (documents) Birds--Eggs Birds--Nests Birds--Research Ornithology--Methodology Birdhouses Predatory animals Waterfowl management Eggs--Incubation Ducks--Counting Ducklings Wood duck--Behavior 1984-01-01 1984-12-31
Christmas bird count data tables, 1986 Tables (documents) Birds--Counting Birds--Research Ornithology--Methodology Weather 1986-12-01 1987-02-28
Christmas bird count data table, 1986 Tables (documents) Birds--Counting Birds--Research Ornithology--Methodology Weather 1986-12-01 1987-02-28