Title Genres Topics Date (Start) Date (End)
Report form for selected species in spring, contributed by Paul Martsching, spring 1985 Field notes Forms (documents) Bird watching Birds--Research Ornithology--Methodology Spring Weather 1985-03-01 1985-05-31
Annotated bird sighting list for spring 1981 compiled by Marion Brewer Field notes Surveys (documents) Recurvirostridae | Avocets and Stilts Bird watching Gruiformes | Cranes, Rails, and Coots Ciconiiformes | Herons, Bitterns, Egrets, Ibises, and Storks Charadriiformes | Shore-birds, Gulls, and Auks Spring 1981-05-29 N/A
Annotated bird sighting list for spring 1981 compiled by Gordon Brown Field notes Surveys (documents) Bird watching Passeriformes | Perching-birds and songbirds Charadriiformes | Shore-birds, Gulls, and Auks Spring Water birds Citizen science 1981-03-01 1981-05-31
Early arrival of peeps in eastern Iowa Field notes Bird watching Scolopacidae | Sandpipers, Phalaropes, and allies Spring 1977-06-01 1977-06-30
Spring migration report from Pearl Knoop, Marble Rock Field notes Bird watching Birds--Identification Birds--Migration Anseriformes | Ducks, Geese, and Swans Scolopacidae | Sandpipers, Phalaropes, and allies Charadriiformes | Shore-birds, Gulls, and Auks Spring Parulidae | Warblers 1977-03-01 1977-05-31