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

Field reports form for submitting seasonal observations of Iowa birds, Francis L. Moore, spring 1983	Field notes Forms (documents) Reports	Bird watching Birds--Counting Birds--Eggs Birds--Identification Birds--Nests Birdsongs Birds--Research Ornithology--Methodology Parulidae \| Warblers	1983-03-01	1983-05-31	Manuscript, graphic, and printed material	Spring report of birds and locations contributed by Francis L. Moore. This item was used as supporting documentation for the Iowa Ornithologists' Union Quarterly field report of spring 1983.	Moore, Francis L.	American Avocet Broad-winged Hawk Swainson's Hawk Little Blue Heron Marbled Godwit White-eyed Vireo Blue-gray Gnatcatcher Summer Tanager Yellow-breasted Chat Henslow's Sparrow Barn Owl Cinnamon Teal Purple Gallinule Cattle Egret Northern Goshawk Merlin Virginia Rail Wilson's Phalarope Le Conte's Sparrow Piping Plover Willet Hudsonian Godwit Ruddy Turnstone Blue-winged Warbler Prairie Warbler Common Tern	Dudgeon Lake State Wildlife Mgt Area Forneys Lake George Wyth Memorial State Park Hartman Reserve Nature Center Homestead Lacey-Keosauqua State Park Riverton Wildlife Management Area Shenandoah South Amana Pond Waterloo Nebraska City Sweet Marsh Hayden Prairie State Wildlife Area Colo Bogs Wildlife Management Area				Iowa Ornithologists' Union \| MS 166	20	7
Field reports form for submitting seasonal observations of Iowa birds with verifying documentation, Diane C. Porter, spring 1983	Field notes Forms (documents) Reports	Bird feeders Bird watching Birds--Counting Birds--Identification Birds--Research Ornithology--Methodology Rare birds	1983-03-01	1983-05-31	Manuscript, graphic, and printed material	Spring report of birds contributed by Diane C. Porter. Verifying documentation of an extraordinary sighting of a Lincoln's Sparrow is included. This item was used as supporting documentation for the Iowa Ornithologists' Union Quarterly field report of spring 1983.	Porter, Diane C.	Yellow-bellied Sapsucker Black-and-white Warbler Indigo Bunting Chimney Swift White-throated Sparrow Brown Thrasher Barred Owl Purple Finch Common Nighthawk Ruby-crowned Kinglet Swainson's Thrush Chipping Sparrow Lincoln's Sparrow Pine Siskin Tennessee Warbler Blackpoll Warbler Cape May Warbler Dark-eyed Junco	Lacey-Keosauqua State Park Fairfield				Iowa Ornithologists' Union \| MS 166	20	7
Field reports form for submitting seasonal observations of Iowa birds, Gerald White, spring 1983	Field notes Forms (documents) Reports	Bird watching Birds--Counting Birds--Research Ornithology--Methodology Weather	1983-03-01	1983-05-31	Manuscript, graphic, and printed material	Spring report of birds found in eastern Iowa contributed by Gerald White. This item was used as supporting documentation for the Iowa Ornithologists' Union Quarterly field report of spring 1983.	White, Gerald	Ring-billed Gull Yellow-headed Blackbird American White Pelican Franklin's Gull Yellow Rail Wilson's Phalarope Forster's Tern Sanderling	Cone Marsh Wildlife Management Area Lake Odessa				Iowa Ornithologists' Union \| MS 166	20	7
Field reports form for submitting seasonal observations of Iowa birds, Robert E. Thornburg, spring 1983	Field notes Forms (documents) Reports	Bird watching Birds--Counting Birds--Research Ornithology--Methodology	1983-03-01	1983-05-31	Manuscript, graphic, and printed material	Spring report of birds and locations contributed by Robert E. Thornburg. This item was used as supporting documentation for the Iowa Ornithologists' Union Quarterly field report of spring 1983.	Thornburg, Robert E.	Ring-billed Gull Horned Grebe Orchard Oriole Golden-winged Warbler Franklin's Gull Cattle Egret Osprey Northern Mockingbird Water Pipit	Lake Red Rock Pleasantville Walnut Woods State Park Carlisle				Iowa Ornithologists' Union \| MS 166	20	7
Field reports form for submitting seasonal observations of Iowa birds, Peter C. Petersen, spring 1983	Field notes Forms (documents) Reports	Bird watching Birds--Counting Birds--Research Anseriformes \| Ducks, Geese, and Swans Laridae \| Gulls and Terns Ornithology--Methodology Charadriidae \| Plovers Scolopacidae \| Sandpipers, Phalaropes, and allies Charadriiformes \| Shore-birds, Gulls, and Auks Parulidae \| Warblers Water birds	1983-03-01	1983-05-31	Manuscript, graphic, and printed material	Spring report of birds and locations contributed by Peter C. Petersen. This item was used as supporting documentation for the Iowa Ornithologists' Union Quarterly field report of spring 1983.	Petersen, Peter C.	American Avocet Bald Eagle Eared Grebe Brewer's Blackbird Purple Martin Orchard Oriole Ringed Turtle-Dove Lark Sparrow Yellow-bellied Flycatcher Common Loon Willet Glaucous Gull Louisiana Waterthrush Short-billed Dowitcher Great Blue Heron Common Tern	Bettendorf Cone Marsh Wildlife Management Area Credit Island Davenport Goose Lake Riverton Wildlife Management Area Sabula Wildcat Den State Park				Iowa Ornithologists' Union \| MS 166	20	7
Field notes and letter to Thomas H. Kent from René Laubach regarding a Mourning Warbler sighting, spring 1983	Correspondence Field notes Forms (documents) Reports	Bird watching Birds--Counting Birds--Identification Birds--Research Ornithology--Methodology Parulidae \| Warblers Emberizidae \| Sparrows	1983-05-31	N/A	Manuscript, graphic, and printed material	Spring report of birds found in central Iowa contributed by René Laubach. A brief letter to Thomas H. Kent from Laubach regarding a Mourning Warbler sighting is included. There is also a message indicating this will be the last contribution to the field reports from Laubach due to a move out of state. This item was used as supporting documentation for the Iowa Ornithologists' Union Quarterly field report of spring 1983.	Laubach, René	Killdeer Bald Eagle American Kestrel Clay-colored Sparrow Chimney Swift Orchard Oriole Harris' Sparrow Dunlin Purple Finch Northern Parula Scarlet Tanager Snow Goose Mourning Warbler Short-billed Dowitcher Western Meadowlark Sharp-shinned Hawk	Big Creek State Park Dallas County Des Moines Saylorville Lake Sheeder Prairie State Preserve				Iowa Ornithologists' Union \| MS 166	20	7
Field reports form for submitting seasonal observations of Iowa birds, Darwin Koenig, spring 1983	Field notes Forms (documents) Reports	Bird watching Birds--Counting Birds--Research Ornithology--Methodology	1983-03-01	1983-05-31	Manuscript, graphic, and printed material	Spring report of birds contributed by Darwin Koenig. This item was used as supporting documentation for the Iowa Ornithologists' Union Quarterly field report of spring 1983.	Koenig, Darwin	Rough-legged Hawk Red-shouldered Hawk American Bittern Upland Sandpiper Alder Flycatcher White-eyed Vireo Loggerhead Shrike Ruby-throated Hummingbird Chuck-will's-widow Cattle Egret Common Loon Golden Eagle Northern Mockingbird Winter Wren Northern Harrier	Allamakee County Fremont County Poweshiek County Thurman Yellow River State Forest Montezuma Deep River Searsboro				Iowa Ornithologists' Union \| MS 166	20	7
Field reports form for submitting seasonal observations of Iowa birds, Thomas H. Kent, spring 1983	Field notes Forms (documents) Reports	Bird watching Birds--Counting Birds--Research Laridae \| Gulls and Terns Accipitridae \| Hawks and Eagles Ciconiiformes \| Herons, Bitterns, Egrets, Ibises, and Storks Ornithology--Methodology Charadriiformes \| Shore-birds, Gulls, and Auks Parulidae \| Warblers Water birds	1983-03-01	1983-05-31	Manuscript, graphic, and printed material	Spring report of birds contributed by Thomas H. Kent, spring 1983. This item was used as supporting documentation for the Iowa Ornithologists' Union Quarterly field report of spring 1983.	Kent, Thomas H. (Thomas Hugh), 1934-	American Avocet Double-crested Cormorant White-eyed Vireo Lapland Longspur Smith's Longspur Purple Gallinule American White Pelican Le Conte's Sparrow Forster's Tern Willet Common Snipe Swainson's Thrush Black Tern Great Egret	Cone Marsh Wildlife Management Area Coralville Lake Forneys Lake Hickory Hill Park Hills Homestead Iowa City Nichols Riverton Wildlife Management Area South Amana Pond Swan Lake Wildlife Management Area MidAmerican Energy Ponds				Iowa Ornithologists' Union \| MS 166	20	7
Field report form contributed by Robert W. Howe, spring 1983	Field notes Forms (documents) Reports	Bird watching Birds--Counting Birds--Research Ornithology--Methodology	1983-03-01	1983-05-31	Manuscript, graphic, and printed material	Spring report of birds contributed by Robert W. Howe. This item was used as supporting documentation for the Iowa Ornithologists' Union Quarterly field report of spring 1983.	Howe, Robert W. (Robert William), 1952-	Killdeer Rough-legged Hawk Blue-gray Gnatcatcher Indigo Bunting Eastern Bluebird Loggerhead Shrike Palm Warbler Baltimore Oriole Swainson's Thrush Gray Catbird Magnolia Warbler Yellow-rumped Warbler Black-throated Green Warbler Ovenbird Scarlet Tanager Canada Goose Nashville Warbler	Appanoose County Indianola Mount Ayr Unionville				Iowa Ornithologists' Union \| MS 166	20	7
Field reports form for submitting seasonal observations of Iowa birds, Richard Jule Hollis, spring 1983	Field notes Forms (documents) Reports	Bird declines Bird watching Birds--Counting Birds--Research Ornithology--Methodology	1983-03-01	1983-05-31	Manuscript, graphic, and printed material	Spring report of birds contributed by Richard Jule Hollis. This item was used as supporting documentation for the Iowa Ornithologists' Union Quarterly field report of spring 1983.	Hollis, Richard Jule	Red-headed Woodpecker American Avocet Ring-billed Gull Yellow-headed Blackbird Purple Martin Loggerhead Shrike Yellow-billed Cuckoo Cinnamon Teal Common Loon Wood Duck Sora Black-billed Cuckoo Bonaparte's Gull Sharp-shinned Hawk Cliff Swallow	Coralville Lake Hickory Hill Park Iowa City Riverton Wildlife Management Area Swan Lake Wildlife Management Area Nebraska City Riverton North Liberty				Iowa Ornithologists' Union \| MS 166	20	7
Field notes contributed by Robert K. Myers with verifying documentation, summer 1981	Field notes Forms (documents) Reports	Bird watching Birds--Counting Birds--Research Ornithology--Methodology Rare birds	1981-07-11	N/A	Manuscript, graphic, and printed material	Summer report of birds contributed by Robert K. Myers. Verifying documentation of an extraordinary sighting of a Clay-colored sparrow is included. This item was used as supporting documentation for the Iowa Ornithologists' Union Quarterly field report of summer 1981.	Myers, Robert K.	Least Bittern American Kestrel Least Flycatcher Summer Tanager Black-and-white Warbler Yellow-breasted Chat Clay-colored Sparrow Western Kingbird Greater Yellowlegs Black-crowned Night Heron Sora Lesser Yellowlegs Solitary Sandpiper Cerulean Warbler Prothonotary Warbler Blue Grosbeak	Dudgeon Lake State Wildlife Mgt Area Forneys Lake Fremont County Grundy County Waubonsie State Park Sweet Marsh Volga River State Recreation Area				Iowa Ornithologists' Union \| MS 166	19	8
Barbara L. Wilson letter to Thomas H. Kent regarding summer bird sightings and populations, July 31, 1981	Correspondence Field notes Forms (documents)	Bird populations Bird watching Birds--Counting Birds--Nests Birds--Research Ornithology--Methodology Weather	1981-07-31	N/A	Manuscript, graphic, and printed material	Letter from Barbara L. Wilson to Thomas H. Kent regarding summer bird sightings, July 31, 1981. Population reports covering 1978-1981 for Warbling Vireo, Red-headed Woodpecker, House Sparrow and Cardinal are included. This item was used as supporting documentation for the Iowa Ornithologists' Union Quarterly field report of summer of 1981.	Wilson, Barbara L.	Red-headed Woodpecker American Kestrel Warbling Vireo Northern Cardinal Eastern Bluebird House Sparrow Great Horned Owl Cattle Egret American Woodcock Lark Sparrow Dickcissel Tree Swallow	Mills County Pottawattamie County Shenandoah Waubonsie State Park Riverton Hastings Willow Slough State Game Management Area				Iowa Ornithologists' Union \| MS 166	19	8
Field notes contributed by James P. Sandrock with verifying documentation, summer 1981	Field notes Forms (documents) Reports	Bird watching Birds--Counting Birds--Nests Birds--Research Tyrannidae \| Flycatchers Ornithology--Methodology Parulidae \| Warblers Piciformes \| Woodpeckers and allies	1981-07-12	N/A	Manuscript, graphic, and printed material	Summer report of birds contributed by James P. Sandrock. Verifying documentation of an extraordinary sighting of an Alder Flycatcher is included. This item was used as supporting documentation for the Iowa Ornithologists' Union Quarterly field report of summer 1981.	Sandrock, James P., 1929-	Turkey Vulture American Crow Alder Flycatcher Say's Phoebe Warbling Vireo Yellow-throated Warbler Common Yellowthroat Northern Parula	Des Moines River Lacey-Keosauqua State Park Van Buren County Shimek State Forest Keosauqua				Iowa Ornithologists' Union \| MS 166	19	8
Field notes contributed by Francis L. Moore with verifying documentation, summer 1981	Field notes Forms (documents) Reports	Bird watching Birds--Counting Birds--Nests Birds--Research Tyrannidae \| Flycatchers Ornithology--Methodology Rare birds Parulidae \| Warblers	1981-07-05	N/A	Manuscript, graphic, and printed material	Summer report of birds contributed by Francis L. Moore. Verifying documentation of an extraordinary sighting of a Least Flycatcher is included. This item was used as supporting documentation for the Iowa Ornithologists' Union Quarterly field report of summer 1981.	Moore, Francis L.	Least Flycatcher Savannah Sparrow Ruddy Duck Spotted Sandpiper Louisiana Waterthrush Belted Kingfisher Black Tern	Dudgeon Lake State Wildlife Mgt Area Lacey-Keosauqua State Park Riverton Wildlife Management Area Volga Lake Waubonsie State Park Sweet Marsh Shimek State Forest Lylahs Marsh County Park				Iowa Ornithologists' Union \| MS 166	19	8
Field notes contributed by Thomas H. Kent with verifying documentation, summer 1981	Field notes Forms (documents) Reports	Bird watching Birds--Counting Birds--Research Ornithology--Methodology Rare birds	1981-07-29	N/A	Manuscript, graphic, and printed material	Summer report of birds contributed by Thomas H. Kent. Verifying documentation of extraordinary sightings of Say's Phoebe and Western Grebe are included. This item was used as supporting documentation for the Iowa Ornithologists' Union Quarterly field report of summer 1981.	Kent, Thomas H. (Thomas Hugh), 1934-	Swainson's Hawk Least Bittern Say's Phoebe Summer Tanager Henslow's Sparrow Franklin's Gull Yellow-throated Warbler Western Grebe Western Kingbird Dunlin Wilson's Phalarope Forster's Tern Lesser Yellowlegs Solitary Sandpiper Willet Sedge Wren Northern Pintail Black Tern	Cardinal Marsh State Wildlife Area Chickasaw County Lacey-Keosauqua State Park Plymouth County Rush Lake West Hottes Lake Wilson Island State Park Hayden Prairie State Wildlife Area				Iowa Ornithologists' Union \| MS 166	19	8
Field notes contributed by Raymond L. Cummins with verifying documentation, summer 1981	Field notes Forms (documents) Reports	Bird watching Birds--Counting Birds--Research Ornithology--Methodology Rare birds	1981-07-03	N/A	Manuscript, graphic, and printed material	Summer report of birds contributed by Raymond L. Cummins. Verifying documentation of an extraordinary sighting of a Yellow-Crowned Night Heron is included. This item was used as supporting documentation for the Iowa Ornithologists' Union Quarterly field report of summer 1981.	Cummins, Raymond L.	Swainson's Hawk Eared Grebe Common Moorhen Yellow-Crowned Night Heron Belted Kingfisher	Pocahontas Little Clear Lake Park Sunken Grove State Game Management Area Varina Goldfield				Iowa Ornithologists' Union \| MS 166	19	8
Field notes contributed by Carl J. Bendorf with verifying documentation, summer 1981	Field notes Forms (documents) Reports	Bird watching Birds--Counting Birds--Research Ornithology--Methodology Rare birds	1981-06-21	N/A	Manuscript, graphic, and printed material	Summer report of birds found in and around Amana contributed by Carl J. Bendorf. Verifying documentation of an extraordinary sighting of a Worm-eating Warbler is included. This item was used as supporting documentation for the Iowa Ornithologists' Union Quarterly field report of summer 1981.	Bendorf, Carl J.	Upland Sandpiper Willow Flycatcher Acadian Flycatcher Veery Worm-eating Warbler Sharp-shinned Hawk	Amana Cone Marsh Wildlife Management Area Homestead				Iowa Ornithologists' Union \| MS 166	19	8
Records Committee review for rare bird sighting of Trumpeter Swan at Ingham Lake, 1988	Administrative records Field notes Forms (documents)	Bird watching Ornithology Ornithology--Societies, etc	1988-11-21	1993-08-04	Rare birds documentation form	Records Committee review of a Trumpeter Swan at Ingham Lake in Emmet County, IA on November 21, 1988. Includes a record review document with votes and a documentation form submitted to the committee.	Kent, Thomas H. (Thomas Hugh), 1934-	Trumpeter Swan	Ingham Lake	Ingham L., Emmet Co., IA	Frozen glacial lake	The documentation form by Thomas H. Kent is the earliest and the one that forms the basis of this record. Another observer was Francis Moore. \| Elimination of similar species: About two hours later we found a Tundra Swan at Union Slough at closer range. The neck was straight at the base and the black did not come as sharply to the edge. It was seen head on and the black came across the forehead without a pronounced V and the upper mandible was not straight. \| The original documentation form event lasted from 14:30:00/15:00:00.	Iowa Ornithologists' Union \| MS 166	8	12
Records Committee review for rare bird sighting of Garganey at IPS Fly Ash Pits, 1991	Administrative records Field notes Forms (documents)	Bird watching Ornithology Ornithology--Societies, etc	1991-05-11	1993-07-17	Rare birds documentation form	Records Committee review of a Garganey at IPS Fly Ash Pits, Woodbury County, IA on May 11, 1991. Includes a record review document with votes and two documentation forms submitted to the committee.	Probst, Jerry	Garganey	New Lake	IPS Fly Ash Pits	Open pond flyash shore	The documentation form by Jerry Probst is the earliest and the one that forms the basis of this record. Another documentation form by Bill Huser was submitted later. Other observers include Bob Livermore, Dave Stage, Bob Moritz, and Art Huser. \| Elimination of similar species: The eyebrow stripe eliminated bluewing teal also the other field marks did not indicate a hybrid. Direct size comparison with other ducks in area eliminated all other ducks and geese. \| The original documentation form event lasted from 13:30:00/14:00:00.	Iowa Ornithologists' Union \| MS 166	8	15
Records Committee review for rare bird sighting of Eurasian Wigeon at De Soto National Wildlife Refuge, 1995	Administrative records Field notes Forms (documents)	Bird watching Ornithology Ornithology--Societies, etc	1995-10-27	2000-11-20	Rare birds documentation form	Records Committee review of a Eurasian Wigeon at De Soto National Wildlife Refuge in Harrison County, IA on October 27, 1995. Includes one record review document with votes and a documentation forms.	Hulsebus, Terry J.	Eurasian Wigeon	DeSoto Lake	De Soto Nat'l. Wildlife Refuge	Oxbow Lake - nearshore	The documentation form by Terry J. Hulsebus is the earliest and the one that forms the basis of this record. Another observer was Mindy Sheets. \| Elimination of similar species: American wigeon - located in close proximity. Close comparison was very helpful. \| The original documentation form event occurred around 15:30:00.	Iowa Ornithologists' Union \| MS 166	8	14
Records Committee review for rare bird sighting of Eurasian Wigeon at Riverton Area, 1991	Administrative records Field notes Forms (documents)	Bird watching Ornithology Ornithology--Societies, etc	1991-03-06	1993-07-17	Rare birds documentation form	Records Committee review of a Eurasian Wigeon at Riverton Area in Fremont County, IA on March 6, 1991. Includes a record review document with votes, an Iowa Bird Life article, and two documentation forms submitted to the committee.	Dinsmore, Stephen J.	Eurasian Wigeon	Riverton Wildlife Management Area	Riverton W.A., Fremont Co., IA		The documentation form by Stephen J. Dinsmore is the earliest and the one that forms the basis of this record. Another documentation form by Eugene Armstrong was submitted later. Other observers include Eloise Armstrong, and Ross Silcock \| Elimination of similar species: The combination of reddish head with buffy crown, gray mantle and flanks, black rump and undertail, and stubby, bluish-gray bill eliminates other waterfowl. \| The original documentation form event lasted from 10:35:00/11:05:00, 12:05:00/12:25:00, and 16:40:00/17:22:00.	Iowa Ornithologists' Union \| MS 166	8	14
Records Committee review for rare bird sighting of Eurasian Wigeon at Spirit Lake, 1985	Administrative records Correspondence Field notes Forms (documents)	Bird watching Ornithology Ornithology--Societies, etc	1985-04-01	1993-09-03	Rare birds documentation form	Records Committee review of five Eurasian Wigeons at Spirit Lake in Dickinson County, IA on April 1, 1985. Includes a record review document with votes, a summary, correspondence about the bird sighting, and a documentation form submitted to the committee.	Foote, LaVonne	Eurasian Wigeon	Spirit Lake	In a marsh about 7 miles west of Spirit Lake, Iowa on Highway No. 9 on the South side of the road.	marsh	The documentation form by LaVonne Foote is the earliest and the one that forms the basis of this record. Other observers include Mavis Wunder and Jan Ortmeier. \| Elimination of similar species: American wigeon - Easy to tell apart as male colors are so different. \| The original documentation form event lasted from 13:00:00/13:30:00 and 15:30:00/16:05:00 on April 1, 1985 as well as 11:21:00/12:15:00 on April 2, 1985.	Iowa Ornithologists' Union \| MS 166	8	14
Records Committee review for rare bird sighting of Eurasian Wigeon at Sweet Marsh, 1984	Administrative records Clippings (information artifacts) Field notes Forms (documents)	Bird watching Ornithology Ornithology--Societies, etc	1984-04-15	1993-09-01	Rare birds documentation form	Records Committee review of a Eurasian Wigeon at Sweet Marsh in Bremer County, IA on April 15, 1984. Includes a record review document with votes, an article in Iowa Bird Life, a summary of review, and eight documentation forms submitted to the committee.	Main, Stephen	Eurasian Wigeon	Sweet Marsh	Sweets Marsh, NW section, Tripoli, IA	Marsh - see above	The documentation form by Stephen Main is the earliest and the one that forms the basis of this record. Other documentation forms by Elaine Main, Francis L. Moore, Robert K. Myers, Thomas H. Kent, Thomas J. Staudt, Peter C. Petersen, and Carl J. Bendorf were submitted later. Other observers include Roberta Oppedahl and Lucille Liljedahl. \| Elimination of similar species: have previously seen American Wigeon, Shoveler (present this time) and Redhead. \| The original documentation form event lasted from 11:00:00/12:00:00.	Iowa Ornithologists' Union \| MS 166	8	14
Records Committee review for rare bird sighting of Tundra Swan at Red Rock Reservoir, 1988	Administrative records Field notes Forms (documents)	Bird watching Ornithology Ornithology--Societies, etc	1988-12-18	1993-08-04	Rare birds documentation form	Records Committee review of a Tundra Swan at Red Rock Reservoir in Marion County, IA on December 18, 1988. Includes a record review document with votes and two documentation forms submitted to the committee.	Johnson, Ann	Tundra Swan	Red Rock Dam	Des Moines River below Red Rock Dam - Marion Co., Iowa	river with sandbars	The documentation form by Ann Johnson is the earliest and the one that forms the basis of this record. Another documentation form by Steve Dinsmore was submitted later on Jan 6, 1989. Other observers include Erik Munson, Wyman Borts, and Jim Sinclair. \| Elimination of similar species: Mute swan immature eliminated by bill color. Trumpeter swan eliminated by the presence of many white feathers at this date and concave bill shape. Unable to determine size difference. \| The original documentation form event lasted from 14:00:00/14:15:00.	Iowa Ornithologists' Union \| MS 166	8	13
Records Committee review for rare bird sighting of Trumpeter Swan at Charles City, 1989	Administrative records Clippings (information artifacts) Field notes Forms (documents) Photographs	Bird watching Ornithology Ornithology--Societies, etc	1989-02-26	1993-08-05	Rare birds documentation form	Records Committee review of a Trumpeter Swan at Charles City in Floyd County, IA on February 26, 1989. Includes a record review document with votes, three photocopied photos, an article in Iowa Bird Life, and a documentation form submitted to the committee.	Walter, Janice L.	Trumpeter Swan	Charles City	Cedar River at end of Maple St., Charles City, IA	Narrow stretch of open water along bank of frozen river	The documentation form by Jan L. Walter is the earliest and the one that forms the basis of this record. Other observers include Jim B. Walter and James L. Hansen. \| Elimination of similar species: Mute Swan by all black bill without knob at base; neck held straight not in S curve Tundra Swan by forehead slanting down to straight bill, black facial skin ending in broad point at eye, not sharp point in front of eye, and dipping down into a V on forehead, not extending straight across \| The original documentation form event lasted from 17:10:00/17:40:00.	Iowa Ornithologists' Union \| MS 166	8	12