Title Genres Topics Date (Start) Date (End)
IOU field report form contributed by Douglas C. Harr, June 1, 1983 Field notes Forms (documents) Reports Bird kills Bird watching Birds--Counting Ornithology--Methodology Research Weather 1983-06-01 N/A
Walter Rosene letter to the United States Bureau of Biological Survey regarding bird observations from a trip to North Dakota, May 1, 1925 Correspondence Field notes Bird watching Birds--Migration Birds--Research Icteridae | Blackbirds, Orioles, Meadowlarks, and allies Anseriformes | Ducks, Geese, and Swans Laridae | Gulls and Terns Hirundinidae | Swallows Vireonidae | Vireos Troglodytidae | Wrens Emberizidae | Sparrows 1925-05-01 N/A
Summer 2005 bird sightings list, August 15, 2005 Field notes Bird watching Birds--Research Icteridae | Blackbirds, Orioles, Meadowlarks, and allies Anseriformes | Ducks, Geese, and Swans Tyrannidae | Flycatchers Falconiformes | Hawks, Eagles, Falcons, Osprey, and Vultures Ciconiiformes | Herons, Bitterns, Egrets, Ibises, and Storks Scolopacidae | Sandpipers, Phalaropes, and allies Thraupidae | Tanagers Turdidae | Thrushes Vireonidae | Vireos Parulidae | Warblers Troglodytidae | Wrens Piciformes | Woodpeckers and allies Emberizidae | Sparrows 2005-08-15 N/A