Title Genres Topics Date (Start) Date (End)
Preparations for the spring return of nesting Wood Ducks Reports Birdhouses Hunting--Moral and ethical aspects Eggs--Incubation Duck populations Ducklings Wood duck--Behavior N/A N/A
A plan to save our ducks Reports Essays Birds--Conservation Birds--Habitat Wildlife conservation--Law and legislation Waterfowl management Duck populations N/A N/A
Clarence Cottam letter to Walter Rosene regarding the analysis and contents of Long-eared Owl pellets, May 28, 1936 Correspondence Reports Birds--Research Ornithology--Methodology Bird droppings 1936-05-28 N/A
Great Horned Owl nesting study and research notes Reports Research notes Essays Bird banding Birds--Eggs Birds--Food Birds--Nests Birds--Research Ornithology--Methodology Birds--Infancy Eggs--Incubation 1933-02-26 1939-12-31
Winter Raptor survey, 1977 Field notes Maps (documents) Reports Bird surveys Bird watching Birds of prey Birds--Research Ornithology--Methodology 1977-12-01 1977-12-31
1978 Iowa Christmas bird count summary Field notes Reports Bird populations Bird watching Birds--Counting Birds--Research 1978-12-01 1979-02-28
Field notes contributed by Jack W. Musgrove and M.R. Musgrove, spring 1979 Field notes Reports Bird watching 1979-03-01 1979-05-31
Field notes contributed by Thomas H. Kent, spring 1979 Field notes Reports Bird watching Charadriiformes | Shore-birds, Gulls, and Auks Weather 1979-03-01 1979-05-28
Field notes contributed by James J. Dinsmore, spring 1979 Field notes Reports Bird watching Icteridae | Blackbirds, Orioles, Meadowlarks, and allies Tyrannidae | Flycatchers Laridae | Gulls and Terns Accipitridae | Hawks and Eagles Ciconiiformes | Herons, Bitterns, Egrets, Ibises, and Storks Ornithology--Study and teaching Charadriiformes | Shore-birds, Gulls, and Auks Fringillidae | Finches Hirundinidae | Swallows Parulidae | Warblers Water birds 1979-03-01 1979-05-31
Field notes contributed by Raymond L. Cummins, June 3, 1979 Field notes Reports Bird watching Birds--Migration Anseriformes | Ducks, Geese, and Swans Accipitridae | Hawks and Eagles Ciconiiformes | Herons, Bitterns, Egrets, Ibises, and Storks Fringillidae | Finches Parulidae | Warblers 1979-06-03 N/A
Field notes contributed by Woodward H. Brown, spring 1979 Field notes Reports Bird watching Anseriformes | Ducks, Geese, and Swans Ciconiiformes | Herons, Bitterns, Egrets, Ibises, and Storks Charadriiformes | Shore-birds, Gulls, and Auks Parulidae | Warblers 1979-03-01 1979-05-31
Field notes contributed by Marion M. Brewer, June 1, 1979 Field notes Reports Bird watching Birds--Nests Parulidae | Warblers 1979-06-01 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
Field notes contributed by Carl J. Bendorf, spring 1979 Field notes Reports Bird watching Birds--Counting Charadriiformes | Shore-birds, Gulls, and Auks 1979-03-01 1979-05-31
Bird sightings and count table, winter 1978-1979 Field notes Reports Research notes Bird watching Birds--Counting Birds--Research Icteridae | Blackbirds, Orioles, Meadowlarks, and allies Columbiformes | Doves and Pigeons Anseriformes | Ducks, Geese, and Swans Pelecaniformes | Pelicans, Cormorants, Darters, and Frigate-birds Falconiformes | Hawks, Eagles, Falcons, Osprey, and Vultures Sylviidae | Kinglets and Gnatcatchers Fringillidae | Finches Galliformes | Quails, Pheasants, Turkeys, and Grouse Troglodytidae | Wrens Piciformes | Woodpeckers and allies Strigiformes | Owls Emberizidae | Sparrows 1978-12-01 1979-02-28
Field notes contributed by John Van Dyk, winter 1978-1979 Field notes Reports Bird watching Birds--Counting Birds--Research Icteridae | Blackbirds, Orioles, Meadowlarks, and allies Accipitridae | Hawks and Eagles Alaudidae | Larks Phasianidae | Pheasants, Turkeys, and Grouse Fringillidae | Finches Weather 1978-12-01 1979-02-28
Field notes contributed by Joseph P. Schaufenbuel, winter 1978-1979 Field notes Reports Bird watching Birds--Research Icteridae | Blackbirds, Orioles, Meadowlarks, and allies Anseriformes | Ducks, Geese, and Swans Accipitridae | Hawks and Eagles Phasianidae | Pheasants, Turkeys, and Grouse Fringillidae | Finches Bombycillidae | Waxwings 1978-12-01 1979-02-28
Field notes contributed by Michael C. Newlon, winter 1978-1979 Field notes Reports Bird watching Birds--Research Accipitridae | Hawks and Eagles Alaudidae | Larks Fringillidae | Finches Bombycillidae | Waxwings 1978-12-01 1979-02-28
Field notes contributed by Thomas H. Kent, winter 1978-1979 Field notes Reports Bird watching Birds--Counting Birds--Research Fringillidae | Finches 1978-12-01 1979-02-28
Field notes contributed by Janet G. Greer, winter 1978-1979 Field notes Reports Bird watching Birds--Counting Birds--Research Anseriformes | Ducks, Geese, and Swans 1978-12-01 1979-02-28
Field notes contributed by Raymond L. Cummins, winter 1978-1979 Field notes Reports Bird watching Birds--Counting Birds--Research Columbiformes | Doves and Pigeons Accipitridae | Hawks and Eagles Phasianidae | Pheasants, Turkeys, and Grouse Fringillidae | Finches 1978-12-01 1979-02-28
Field notes contributed by Woodward H. Brown, winter 1978-1979 Field notes Reports Bird watching Birds--Counting Birds--Research 1978-12-01 1979-02-28
Field notes contributed by Gladys Black, winter 1978-1979 Field notes Reports Bird watching Birds--Counting Birds--Research Columbiformes | Doves and Pigeons Alaudidae | Larks Phasianidae | Pheasants, Turkeys, and Grouse Fringillidae | Finches 1978-12-01 1979-02-28
Field notes contributed by Carl J. Bendorf, winter 1978-1979 Field notes Reports Bird watching Birds--Research 1978-12-01 1979-02-28
Winter raptor survey, 1978 Maps (documents) Reports Bird watching Birds of prey Birds--Habitat Birds--Research Falconiformes | Hawks, Eagles, Falcons, Osprey, and Vultures Strigiformes | Owls 1978-12-01 1978-12-31