Title Genres Topics Date (Start) Date (End)
Harry Oberholser letter to Oscar Allert regarding bird sightings, March 1, 1929 Correspondence Field notes Bird watching Birds--Identification Birds--Collection and preservation Zoological specimens 1929-03-01 N/A
Herbert F. Wiese letter to Stephen Dinsmore regarding bird sightings for IOU quarterly field reports of spring 1991, March 12, 1991 Correspondence Field notes Bird watching Birds--Behavior Birds--Identification Weather 1991-03-12 N/A
Herbert F. Wiese letter to Stephen Dinsmore regarding bird sightings for IOU quarterly field reports spring 1991, March 12, 1991 Correspondence Field notes Bird watching Birds--Identification Birds--Migration 1991-03-08 N/A
Iowa Birdline update for November 25, 1991 Correspondence Field notes Bird feeders Bird watching Birds--Identification Dial-a-message telephone calls 1991-11-25 N/A
Iowa Birdline update, April 12, 1993 Correspondence Field notes Bird feeders Bird watching Birds--Counting Birds--Identification Anseriformes | Ducks, Geese, and Swans Charadriiformes | Shore-birds, Gulls, and Auks Dial-a-message telephone calls 1993-04-12 N/A
Iowa Birdline update, April 13, 1992 Correspondence Field notes Bird watching Birds--Identification Birds--Nests Birdsongs Anseriformes | Ducks, Geese, and Swans Charadriiformes | Shore-birds, Gulls, and Auks Dial-a-message telephone calls 1992-04-13 N/A
Iowa Birdline update, April 19, 1993 Correspondence Field notes Bird watching Birds--Counting Birds--Identification Birdsongs Anseriformes | Ducks, Geese, and Swans Dial-a-message telephone calls 1993-04-19 N/A
Iowa Birdline update, April 20-22, 1992 Correspondence Field notes Bird watching Birds--Identification Birdsongs Anseriformes | Ducks, Geese, and Swans Gruidae | Cranes Calcariidae | Longspurs and snow bunting Dial-a-message telephone calls 1992-04-20 1992-04-22
Iowa Birdline update, April 26, 1993 Correspondence Field notes Bird watching Birds--Counting Birds--Identification Birds--Infancy Emberizidae | Sparrows Dial-a-message telephone calls 1993-04-26 N/A
Iowa Birdline update, April 27, 1992 Correspondence Field notes Bird watching Birds--Identification Anseriformes | Ducks, Geese, and Swans Dial-a-message telephone calls 1992-04-27 N/A
Iowa Birdline update, April 5, 1993 Correspondence Field notes Bird feeders Bird watching Birds--Counting Birds--Identification Dial-a-message telephone calls 1993-04-05 N/A
Iowa Birdline update, April 6, 1992 Correspondence Field notes Bird watching Birds--Identification Birds--Migration Anseriformes | Ducks, Geese, and Swans Charadriiformes | Shore-birds, Gulls, and Auks Dial-a-message telephone calls 1992-04-06 N/A
Iowa Birdline update, August 10, 1992 Correspondence Field notes Bird watching Birds--Counting Birds--Identification Parulidae | Warblers Dial-a-message telephone calls 1992-08-10 N/A
Iowa Birdline update, August 12, 1991 Correspondence Field notes Birds--Identification Birds--Nests Charadriiformes | Shore-birds, Gulls, and Auks Parulidae | Warblers Birds--Infancy Dial-a-message telephone calls 1991-08-12 N/A
Iowa Birdline update, August 17, 1992 Correspondence Field notes Bird watching Birds--Counting Birds--Identification Charadriiformes | Shore-birds, Gulls, and Auks Parulidae | Warblers Dial-a-message telephone calls 1992-08-17 N/A
Iowa Birdline update, August 19, 1991 Correspondence Field notes Bird watching Birds--Identification Scolopacidae | Sandpipers, Phalaropes, and allies Charadriiformes | Shore-birds, Gulls, and Auks Vireonidae | Vireos Parulidae | Warblers Birds--Infancy Dial-a-message telephone calls 1991-08-19 N/A
Iowa Birdline update, August 24, 1992 Correspondence Field notes Bird watching Birds--Counting Birds--Identification Charadriiformes | Shore-birds, Gulls, and Auks Dial-a-message telephone calls 1992-08-24 N/A
Iowa Birdline update, August 27, 1991 Correspondence Field notes Bird watching Birds--Identification Charadriiformes | Shore-birds, Gulls, and Auks Parulidae | Warblers Dial-a-message telephone calls Phoenicopteriformes | Flamingos 1991-08-27 N/A
Iowa Birdline update, August 31, 1992 Correspondence Field notes Bird watching Birds--Counting Birds--Identification Parulidae | Warblers Dial-a-message telephone calls 1992-08-31 N/A
Iowa Birdline update, August 5, 1991 Correspondence Field notes Bird watching Birds--Identification Anseriformes | Ducks, Geese, and Swans Laridae | Gulls and Terns Charadriiformes | Shore-birds, Gulls, and Auks Birds--Infancy Pelecanidae | Pelicans Dial-a-message telephone calls 1991-08-05 N/A
Iowa Birdline update, December 14, 1992 Correspondence Field notes Bird feeders Bird watching Birds--Identification Dial-a-message telephone calls 1992-12-14 N/A
Iowa Birdline update, December 16, 1991 Correspondence Field notes Bird watching Birds--Identification Laridae | Gulls and Terns Dial-a-message telephone calls 1991-12-16 N/A
Iowa Birdline update, December 2, 1991 Correspondence Field notes Bird watching Birds--Identification Dial-a-message telephone calls 1991-12-02 N/A
Iowa Birdline update, December 21, 1992 Correspondence Field notes Bird watching Birds--Identification Laridae | Gulls and Terns Emberizidae | Sparrows Dial-a-message telephone calls 1992-12-21 N/A
Iowa Birdline update, December 23, 1991 Correspondence Field notes Bird watching Birds--Identification Waterfowl Dial-a-message telephone calls 1991-12-23 N/A