Title Genres Topics Date (Start) Date (End)
Ross Silcock letter to Thomas Kent regarding a Smith's Longspur and other bird sighting materials, August 22, 1992 Correspondence Field notes Birds--Identification Ornithology Rare birds 1990-12-29 1992-08-22
Rare bird documentation form for Evening Grosbeak at Wellman in 1982 Field notes Birds--Behavior Birds--Identification Rare birds 1982-05-01 1982-05-05
Rare bird documentation form for Pine Siskin at Anderson Township in Mills County, 1982 Field notes Birds--Identification Ornithology Rare birds 1982-05-15 N/A
Rare bird documentation form for White-winged Crossbill at West Des Moines in 1998 Field notes Bird feeders Birds--Identification Birdsongs Rare birds 1998-05-02 1998-06-01
Rare bird documentation form for White-winged Crossbill at Logan Park Cemetery in Woodbury County, 1997 Field notes Birds--Identification Ornithology Rare birds 1997-12-13 1998-01-02
Bird Sighting White-winged Crossbill, 1979 Field notes Birds--Identification Rare birds Zoological specimens 1979-07-24 N/A
Rare bird documentation form for Red Crossbill northeast of Iowa City, 1996 Field notes Bird feeders Birds--Identification Ornithology Rare birds 1996-07-13 1996-07-24
House Finch -- Documentation, 1989 Field notes Birds--Identification Rare birds 1989-03-25 1989-05-31
Peter Lowther letter to W. Ross Silcock regarding House Finch sighting in 1988, December 28, 1988 Correspondence Field notes Bird banding Bird feeders Birds--Identification Ornithology--Technique Rare birds 1988-12-25 1988-12-28
Walter Rosene letter to the United States Bureau of Biological Survey regarding Arkansas Kingbird and American Woodcock sightings, July 20, 1925 Correspondence Field notes Bird watching Birds--Nests Rare birds 1925-07-20 N/A
Albert K. Fisher letter to Walter Rosene regarding Arkansas Kingbird and American Woodcock records, July 27, 1925 Correspondence Field notes Bird watching Rare birds 1925-07-27 N/A
Documentation form for extraordinary bird sighting in Iowa, White-winged Dove, L. Paul Hertzel, July 2, 2002 Field notes Forms (documents) Bird watching Birds--Identification Ornithology--Methodology Rare birds 2002-07-02 N/A
Documentation of a Black-headed Gull sighting, Peder H. Svingen, July 16, 2005 Field notes Bird watching Birds--Identification Ornithology--Methodology Rare birds 2005-07-16 N/A
Field notes on Painted Bunting sightings contributed by Don Poggensee, summer 2005 Field notes Bird watching Birds--Identification Rare birds 2005-06-01 2005-07-31
Documentation form for extraordinary bird sightings in Iowa, Ruff, Mark Proescholdt, July 28, 2002 Field notes Forms (documents) Bird watching Birds--Identification Ornithology--Methodology Rare birds 2002-07-28 N/A
Documentation form for extraordinary bird sightings in Iowa, Ruff, Jim Sinclair, July 28, 2002 Field notes Forms (documents) Bird watching Birds--Identification Ornithology--Methodology Rare birds 2002-07-28 N/A
Documentation form for unusual bird sightings in Iowa, Ruff, Michael C. Dooley, June 28, 2002 Field notes Forms (documents) Bird watching Birds--Identification Ornithology--Methodology Rare birds 2002-06-28 N/A
Documentation form for extraordinary bird sightings in Iowa, White-winged Dove, Mark Proescholdt, July 5, 2002 Field notes Forms (documents) Bird watching Birds--Identification Ornithology--Methodology Rare birds 2002-07-05 N/A
Heard on the Birdline, June 15-September 15, 1995 Field notes Bird watching Birds--Nests Rare birds Charadriiformes | Shore-birds, Gulls, and Auks Dial-a-message telephone calls 1995-06-15 1995-09-15
Heard on the Birdline, July 1-October 15, 1994 Field notes Bird watching Birds--Nests Rare birds Water birds Dial-a-message telephone calls 1994-07-01 1994-10-15
From the Iowa Birdline, September 1-November 30, 1991 Field notes Bird watching Rare birds Dial-a-message telephone calls 1991-09-01 1991-11-30
Heard on the Birdline, March 15-June 15, 1996 Field notes Bird watching Rare birds Dial-a-message telephone calls 1996-03-15 1996-06-15
Heard on the Birdline, September 15-November 15, 1997 Field notes Bird feeders Bird watching Laridae | Gulls and Terns Rare birds Dial-a-message telephone calls 1997-09-15 1997-11-15
Heard on the Birdline, December 15, 1997-March 15, 1998 Field notes Bird feeders Bird watching Laridae | Gulls and Terns Rare birds Dial-a-message telephone calls 1997-12-15 1998-03-15
Heard on the Birdline, March 15-June 15, 1998 Field notes Bird watching Anseriformes | Ducks, Geese, and Swans Rare birds Dial-a-message telephone calls 1998-03-15 1998-06-15