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
Ames Christmas Bird Count data table, 1971-1996 Tables (documents) Bird surveys Bird watching Birds--Counting Ornithology--Methodology 1997-01-04 N/A
Iowa Christmas bird count, winter 1976 Tables (documents) Bird watching Birds--Counting Birds--Identification Citizen science 1976-12-01 1977-02-28
Compilation of Iowa bird sightings Research notes Tables (documents) Bird watching Birds--Counting Birds--Research Icteridae | Blackbirds, Orioles, Meadowlarks, and allies Columbiformes | Doves and Pigeons Anseriformes | Ducks, Geese, and Swans Laridae | Gulls and Terns Falconiformes | Hawks, Eagles, Falcons, Osprey, and Vultures Fringillidae | Finches Galliformes | Quails, Pheasants, Turkeys, and Grouse Troglodytidae | Wrens Piciformes | Woodpeckers and allies Strigiformes | Owls Emberizidae | Sparrows 1977-12-01 1978-02-28
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