Documents • Iowa State University • Avian Archives of Iowa Online

Title	Genres	Topics	Date (Start)	Date (End)	Type	Description	Creator/Author	Birds	Locations	Locality	Habitat	Remarks

Rare bird documentation form for Sandhill Crane in western Fremont County, 1986	Field notes	Birds--Identification Ornithology Rare birds	1986-03-15	1986-04-05	Rare birds documentation form	Rare bird documentation form for three Sandhill Cranes in western Fremont County, IA on March 15, 1986.	Dinsmore, Stephen J.	Sandhill Crane	Fremont County	western Fremont Co.	flying over corn stubble in the Missouri River valley	The documentation form by Steve Dinsmore is the only one submitted and forms the basis of this record. \| Elimination of similar species: Great Blue Heron eliminated by the way the neck was held and by the cell. \| The original documentation form event occurred around 09:45:00.	Iowa Ornithologists' Union \| MS 166	34	1
Rare bird documentation form for Golden Eagle at Holland, 1990	Field notes	Birds--Identification Ornithology Rare birds	1990-10-06	1990-10-18	Rare birds documentation form	Rare bird documentation form for a Golden Eagle southwest of Holland in Grundy County, IA on October 6, 1990.	Proescholdt, Mark	Golden Eagle	Holland	Western Grundy County - southwest of Holland	corn fields and bean fields	The documentation form by Mark Proescholdt is the only one submitted and forms the basis of this record. \| Elimination of similar species: Immature Bald Eagles have white in different areas and lack the white areas in the wings of a Golden Eagle. Harlan's Redtails do not have the white spots in the wings or the definite white in the tail. \| The original documentation form event lasted from 17:10:00/17:12:00 approximately.	Iowa Ornithologists' Union \| MS 166	33	31
Rare bird documentation form for Harris' Sparrow in western Ida County, 1994	Field notes	Birds--Identification Ornithology Rare birds	1994-09-18	N/A	Rare birds documentation form	Rare bird documentation form for a Harris' Sparrow in western Ida County, IA on September 18, 1994.	Ernzen, Peter	Harris' Sparrow	Ida County	Western Ida County	Shrubby	The documentation form by Pete Ernzen is the only one submitted and forms the basis of this record. \| The original documentation form event lasted from 12:03:00/12:04:00.	Iowa Ornithologists' Union \| MS 166	35	64
Rare bird documentation form for Peregrine Falcon in Western Sioux County, 1990	Field notes	Birds--Identification Ornithology Rare birds	1990-10-24	N/A	Rare birds documentation form	Rare bird documentation form for a Peregrine Falcon in Western Sioux County, IA on October 24, 1990.	Van Dyk, John, 1936-	Peregrine Falcon	Sioux County	Western Sioux County (about 11 miles straight west of Sioux Center)		The documentation form by John Van Dyk is the only one submitted and forms the basis of this record. \| Elimination of similar species: This bird was most definitely not a Prairie Falcon. Its slaty upper parts and very dark head markings completely rule out such a possible confusion. \| The original documentation form event lasted for five minutes or so.	Iowa Ornithologists' Union \| MS 166	33	34
Rare bird documentation form for Brewer's Blackbird northwest of Mason City, 1998	Field notes	Birds--Identification Birdsongs Ornithology Rare birds	1998-10-13	1999-01-13	Rare birds documentation form	Rare bird documentation form for eight Brewer's Blackbirds northwest of Mason City in Cerro Gordo County, IA on October 13, 1998.	Goranson, Rita	Brewer's Blackbird	Mason City	Wheelerwood Drive, north + west of Mason City, 1 mile before intersection with Killdeer Ave	River + trees on one side - farm land on other side	The documentation form by Rita Goranson is the only one submitted and forms the basis of this record. \| Elimination of similar species: Had been seeing grackles - a larger bird - larger tail. \| The original documentation form event occurred around 09:30:00.	Iowa Ornithologists' Union \| MS 166	35	76
Rare bird documentation form for Golden Eagle at White Pine Hollow, 1989	Field notes	Birds--Identification Ornithology Rare birds	1989-10-25	1989-11-02	Rare birds documentation form	Rare bird documentation form for a Golden Eagle at White Pine Hollow in Dubuque County, IA on October 25, 1989.	Rouw, Mark	Golden Eagle	White Pine Hollow State Park	White Pine Hollow Dubuque County Iowa	Stream valley bordered by steep bluffs in woodland	The documentation form by Mark D. Rouw is the only one submitted and forms the basis of this record. \| Elimination of similar species: Immature bald eagle was eliminated because of this birds distinctive white patches and shorter beak. \| The original documentation form event lasted from 12:00:00/12:00:30.	Iowa Ornithologists' Union \| MS 166	33	31
Rare bird documentation form for Worm-eating Warbler at Wildcat Den State Park, 1979	Field notes	Birds--Identification Birdsongs Ornithology Rare birds	1979-05-10	1979-05-11	Rare birds documentation form	Rare bird documentation form for a Worm-eating Warbler at Wildcat Den State Park in Muscatine County, IA on May 10, 1979.	Kent, Thomas H. (Thomas Hugh), 1934-	Worm-eating Warbler	Wildcat Den State Park	Wildcat Den State Park	General: Deep wooded ravine Specific: main ravine leading to 'Den' at Wildcat Den State Park	The documentation form by Thomas H. Kent is the only one submitted and forms the basis of this record. Other observers include Thomas K. Shires and Peter C. Petersen. \| Elimination of similar species: Other warblers \| The original documentation form event lasted from approximately 10:45:00/11:00:00.	Iowa Ornithologists' Union \| MS 166	35	36
Rare bird documentation form for Yellow-throated Warbler at Wildcat Den State Park, 1980	Field notes	Birds--Identification Birdsongs Ornithology Rare birds Wildlife conservation	1980-05-09	N/A	Rare birds documentation form	Rare bird documentation form for a Yellow-throated Warbler at Wildcat Den State Park in Muscatine County, IA on May 9, 1980.	Thornburg, Robert E.	Yellow-throated Warbler	Wildcat Den State Park	Wildcat Den State Park	uppermost pine branches, often to the very tips of the branches	The documentation form by Robert E. Thornburg is the only one submitted and forms the basis of this record. \| Elimination of similar species: Yellow-throated Vireo, Northern Parula Warbler Magnolia Warbler. \| The original documentation form event lasted from 07:30:00/07:45:00.	Iowa Ornithologists' Union \| MS 166	35	28
Rare bird documentation form for Yellow-throated Warbler at Wildcat Den State Park, 1979	Field notes	Birds--Identification Birdsongs Ornithology Rare birds Wildlife conservation	1979-05-14	N/A	Rare birds documentation form	Rare bird documentation form for a Yellow-throated Warbler at Wildcat Den State Park in Muscatine County, IA on May 14, 1979.	Petersen, Peter C.	Yellow-throated Warbler	Wildcat Den State Park	Wildcat Den State Park, Muscatine Co, Iowa	General: creek bottom - juncture of Pine Creek + small stream coming from Devil's Punch bowl. Specific: bottomland forest, large clearing, trees well spaced, surrounded by more dense forest.	The documentation form by Peter C. Petersen is the only one submitted and forms the basis of this record. Other observers include Thomas Kent. \| Elimination of similar species: Blackburnian Warbler Female it is orange through eye, different call Call reminded me of La. Waterthrush which was calling from lower areas nearby at the time. \| The original documentation form event lasted from 10:20:00/10:35:00.	Iowa Ornithologists' Union \| MS 166	35	28
Rare bird documentation form for Yellow-throated Warbler at Wildcat Den State Park, 1979	Field notes	Birds--Identification Birdsongs Ornithology Rare birds	1979-05-12	N/A	Rare birds documentation form	Rare bird documentation form for a Yellow-throated Warbler at Wildcat Den State Park in Muscatine County, IA on May 12, 1979.	Kent, Thomas H. (Thomas Hugh), 1934-	Yellow-throated Warbler	Wildcat Den State Park	Wildcat Den State Park, Muscatine County, Iowa	General: edge of forest along stream Specific: along stream at Wildcat Den State Park	The documentation form by Thomas H. Kent is the only one submitted and forms the basis of this record. Other observers include Thomas Shires, Peter Petersen, Mike Newlon, Carol Newlon, and unidentified others. \| Elimination of similar species: other warblers. \| The original documentation form event lasted from 10:10:00/10:20:00.	Iowa Ornithologists' Union \| MS 166	35	28
Rare bird documentation form for Ruddy Turnstone at Willow Slough, 1981	Field notes	Birds--Identification Ornithology Rare birds	1981-05-30	N/A	Rare birds documentation form	Rare bird documentation form for a Ruddy Turnstone at Willow Slough in Mills County, IA on May 30, 1981.	Wilson, Barbara L.	Ruddy Turnstone	Willow Slough State Game Management Area	Willow Slough	mudflats at edge of what water remains in the slough	The documentation form by Barbara L. Wilson is the only one submitted and forms the basis of this record. Other observers include Tayce Petersen. \| Elimination of similar species: Nothing looks like a breeding-plumage Ruddy Turnstone. \| The original documentation form event lasted from 18:45:00/19:00:00 and other times.	Iowa Ornithologists' Union \| MS 166	34	15
Rare bird documentation form for Ross' Goose at Willow Slough, 1984	Field notes Forms (documents)	Birds--Identification Ornithology Rare birds	1984-03-30	1984-04-08	Rare birds documentation form	Rare bird documentation form for a Ross' Goose at Willow Slough in Mills County, IA on March 30, 1984.	Myers, Robert K.	Ross's Gull	Willow Slough State Game Management Area	Willow Slough - Mill Co. Iowa	Man-made marsh edge of marsh	The documentation form by Robert K. Myers is the only one submitted and forms the basis of this record. Other observers include Francis Moore. \| Elimination of similar species: Snow Goose is larger, has more pronounced bill and shows a grinning patch. \| The original documentation form event lasted from 14:15:00/14:30:00.	Iowa Ornithologists' Union \| MS 166	32	28
Rare bird documentation form for Ross' Goose at Willow Slough, 1981	Field notes Forms (documents)	Birds--Identification Ornithology Rare birds	1981-03-28	1981-03-31	Rare birds documentation form	Rare bird documentation form for a Ross' Goose at Willow Slough in Mills County, IA on March 28, 1981.	Myers, Robert K.	Ross's Gull	Willow Slough State Game Management Area	Willow Slough (SW Iowa)	marsh at very low water level - mud flat	The documentation form by Robert K. Myers is the only one submitted and forms the basis of this record. \| Elimination of similar species: Snow goose is bigger - has grinning patch - has longer neck. \| The original documentation form event lasted from 07:15:00/07:20:00.	Iowa Ornithologists' Union \| MS 166	32	28
Rare bird documentation form for Least Tern at Willow Slough, 1978	Field notes	Birds--Identification Ornithology Rare birds	1978-08-02	1978-11-19	Rare birds documentation form	Rare bird documentation form for a Least Tern at Willow Slough in Mills County, IA on August 2, 1978.	Wilson, Barbara L.	Least Tern	Willow Slough State Game Management Area	Willow Slough in NE Mills County, Iowa	a shallow lake. It was feeding near water plants.	The documentation form by Barbara L. Wilson is the only one submitted and forms the basis of this record. \| Elimination of similar species: All other White Terns are bigger than Black Terns. The Least Tern differed from the Black Terns in size, color, + most of all behavior - rate of wing beats, the way it done.	Iowa Ornithologists' Union \| MS 166	34	44
Rare bird documentation form for Long-tailed Duck at Willow Slough Public Hunting Area, 1982	Field notes	Birds--Identification Ornithology Rare birds	1982-03-22	N/A	Rare birds documentation form	Rare bird documentation form for Long-tailed Duck at Willow Slough Public Hunting Area in Mills County, IA on March 22, 1982.	Wilson, Barbara L.	Long-tailed Duck	Willow Slough State Game Management Area	Willow Slough Public Hunting Area, Mills County, Iowa		The documentation form by Barbara L. Wilson is the only one submitted and forms the basis of this record. \| Elimination of similar species: had a faint resemblance to a Bufflehead while sleeping. Really too odd to be any thing else. \| The original documentation form event lasted from 15:25:00/15:58:00.	Iowa Ornithologists' Union \| MS 166	33	14
Rare bird documentation form for Red-breasted Merganser at Willow Slough, 1978	Field notes	Birds--Identification Ornithology Rare birds	1978-06-04	N/A	Rare birds documentation form	Rare bird documentation form for a Red-breasted Merganser at Willow Slough in Mills County, IA on June 4, 1978.	Wilson, Barbara L.	Red-breasted Merganser	Willow Slough State Game Management Area	Willow Slough, Anderson Township., Mills Co., Iowa.	open water on a lake, near shore	The documentation form by Barbara L. Wilson is the only one submitted and forms the basis of this record. \| Elimination of similar species: This was no Common Merganser. This bird's throat color was light and so unsharp in its border that the color really started fading at the crown to get to the light of the throat.	Iowa Ornithologists' Union \| MS 166	33	17
Rare bird documentation form for Hooded Merganser at Willow Slough, 1978	Field notes	Birds--Identification Ornithology Rare birds	1978-06-04	1978-07-14	Rare birds documentation form	Rare bird documentation form for a Hooded Merganser at Willow Slough in Mills County, IA on June 4, 1978.	Wilson, Barbara L.	Hooded Merganser	Willow Slough State Game Management Area	Willow Slough, Anderson Twp., Mills Co., Iowa	Lake, out near the middle, where there where tops of drowned weeds sticking out of the water.	The documentation form by Barbara L. Wilson is the only one submitted and forms the basis of this record. \| Elimination of similar species: Only mergansers have thin bills (of the ducks, that is). Only Hooded Mergansers have yellow bills or unpatterned heads. Shape and bill color eliminate the grebes. Size eliminates the loons. I really can't think of anything else it could be.	Iowa Ornithologists' Union \| MS 166	33	15
Rare bird documentation form for Grasshopper Sparrow at Willow Slough, 1980	Field notes	Birds--Behavior Birds--Identification Ornithology Rare birds	1980-11-05	1980-12-10	Rare birds documentation form	Rare bird documentation form for a Grasshopper Sparrow at Willow Slough in Mills County, IA on November 5, 1980.	Wilson, Barbara L.	Grasshopper Sparrow	Willow Slough State Game Management Area	Willow Slough, Iowa	weedy old field, brush nearby but it was in the weedy grass	The documentation form by Barbara L. Wilson is the only one submitted and forms the basis of this record. \| Elimination of similar species: Le Conte's Sparrow - eliminated by lack of orange, + by lack of streaks on side of breast Henslow's - eliminated by nape streaks, but it's hard to be sure. Perhaps the difference in color between a Henslow's face + Grasshopper's face would be hard to tell in a backlit bird. Looked pale, though. \| The original documentation form event occurred in the afternoon for five minutes or more.	Iowa Ornithologists' Union \| MS 166	35	56
Rare bird documentation form for Cattle Egret at Willow Slough, 1988	Field notes	Birds--Identification Ornithology Rare birds	1988-03-27	N/A	Rare birds documentation form	Rare bird documentation form for a Cattle Egret at Willow Slough in Mills County, IA on March 27, 1988.	Dinsmore, Stephen J.	Cattle Egret	Willow Slough State Game Management Area	Willow Slough, Mills Co.	flying around marsh	The documentation form by Steve Dinsmore is the only one submitted and forms the basis of this record. \| Elimination of similar species: The small size eliminates Great Egret. The heavy, yellowish bill, dark legs, and short-necked appearance eliminates Snowy Egret and immature Little Blue Heron (not very likely at this date anyhow). \| The original documentation form event lasted from 14:45:00/14:50:00.	Iowa Ornithologists' Union \| MS 166	32	21
Rare bird documentation form for Ross' Goose at Willow Slough, 1982	Field notes Forms (documents)	Birds--Identification Ornithology Rare birds	1982-03-28	1982-03-30	Rare birds documentation form	Rare bird documentation form fro a Ross' Goose at Willow Slough in Mills County, IA on March 28, 1982.	Moore, Francis L.	Ross's Gull	Willow Slough State Game Management Area	Willow Slough, Mills Co.	Marsh, flooded grassy portion	The documentation form by Francis L. Moore is the only one submitted and forms the basis of this record. \| Elimination of similar species: Snow Goose is larger and shows a definite 'grin' patch on the bill. \| The original documentation form event lasted from 10:00:00/10:10:00.	Iowa Ornithologists' Union \| MS 166	32	28
Rare bird documentation form for Ross' Goose at Willow Slough, 1981	Field notes Forms (documents)	Birds--Identification Ornithology Rare birds	1981-03-24	1981-03-26	Rare birds documentation form	Rare bird documentation form a Ross' Goose at Willow Slough in Mills County, IA on March 24, 1981.	Kent, Thomas H. (Thomas Hugh), 1934-	Ross's Gull	Willow Slough State Game Management Area	Willow Slough, Mills Co. Ia	Lake and marsh in Nishnabottna River bottoms. - Willow S.	The documentation form by Thomas H. Kent is the only one submitted and forms the basis of this record. Other observers include Thomas K. Shires and Peter C. Petersen. \| Elimination of similar species: Snow Goose. \| The original documentation form event lasted from 13:55:00/14:05:00.	Iowa Ornithologists' Union \| MS 166	32	28
Rare bird documentation form for Ross' Goose at Willow Slough, 1984	Field notes Forms (documents)	Birds--Identification Ornithology Rare birds	1984-03-30	N/A	Rare birds documentation form	Rare bird documentation form for a Ross' Goose at Willow Slough in Mills County, IA on March 30, 1984.	Moore, Francis L.	Ross' Goose	Willow Slough State Game Management Area	Willow Slough, Mills Co., IA	At edge of open water along cattail edge.	The documentation form by Francis L. Moore is the only one submitted and forms the basis of this record. Other observers include Bob Myers. \| Elimination of similar species: Snow Goose is larger with a black "grin" patch on the bill and a longer looking neck. \| The original documentation form event lasted from 14:15:00/14:35:00.	Iowa Ornithologists' Union \| MS 166	32	28
Rare bird documentation form for Greater Scaup at Willow Slough, 1985	Field notes	Birds--Identification Ornithology Rare birds	1985-03-30	1985-04-01	Rare birds documentation form	Rare bird documentation form for five Greater Scaups at Willow Slough in Mills County, IA on March 30, 1985.	Moore, Francis L.	Greater Scaup	Willow Slough State Game Management Area	Willow Slough, Mills Co., Iowa	Open part of lake	The documentation form by Francis L. Moore is the only one submitted and forms the basis of this record. Other observers include Robert I. Cecil. \| Elimination of similar species: Female Lesser Scaup do not have white 'ear patch' as these females did. All five birds had a somewhat larger headed looks with the head looking 'fat' and rounded not pointed as Lesser Scaup would have appeared. \| The original documentation form event lasted from 15:25:00/15:55:00.	Iowa Ornithologists' Union \| MS 166	33	10
Rare bird documentation form for American Wigeon at Willow Slough, 1982	Field notes	Birds--Identification Ornithology Rare birds	1982-08-07	1982-11-24	Rare birds documentation form	Rare bird documentation form for American Wigeon at Willow Slough in Mills County, IA on August 7, 1982.	Wilson, Barbara L.	American Wigeon	Willow Slough State Game Management Area	Willow Slough, Mills County, Iowa		The documentation form by Barbara L. Wilson is the only one submitted and forms the basis of this record. \| Elimination of similar species: Uniformly brown head eliminates Wood Duck. Normal bill eliminates Shoveler. Size + rusty sides, lack of white in tail (not mentioned above) eliminates Mallard. Size + rusty sides eliminate Blue-winged Teal. \| The original documentation form event lasted from 19:55:00/20:00:00.	Iowa Ornithologists' Union \| MS 166	33	3
Rare bird documentation form for Tundra Swan at Willow Slough, 1980	Field notes	Birds--Identification Ornithology Rare birds	1980-03-21	N/A	Rare birds documentation form	Rare bird documentation form for four Tundra Swans at Willow Slough in Mills County, IA on March 21, 1980.	Wilson, Barbara L.	Tundra Swan	Willow Slough State Game Management Area	Willow Slough, Mills County, Iowa		The documentation form by Barbara L. Wilson is the only one submitted and forms the basis of this record. Other observers include Maureen Pace. \| Elimination of similar species: Snow Goose: eliminated by size, relative length of neck, and bill color. Trumpeter Swan eliminated by yellow spots on bills.	Iowa Ornithologists' Union \| MS 166	33	1