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 Northern Goshawk at Rock Falls, 1993	Field notes	Birds--Identification Ornithology Rare birds	1993-09-15	1993-11-15	Rare birds documentation form	Rare bird documentation form for two Northern Goshawks at Rock Falls in Cerro Gordo County, IA on September 15, 1993.	Goranson, Rita	Northern Goshawk	Rock Falls	290th St. = 1/4/ mile from S62 near Rock Falls, Iowa	open pasture	The documentation form by Rita Goranson is the only one submitted and forms the basis of this record. Other observers include Carolyn Fisher, Beth McBride, Tim Phalen, Pat Hansen, and Jan Walter. \| Elimination of similar species: did not fly like falcons - wing shape different larger than Coopers - shape appeared different than Cooper's. \| The original documentation form event occurred around 10:00:00.	Iowa Ornithologists' Union \| MS 166	33	25
Rare bird documentation form for Golden Eagle at Ames, 1986	Field notes	Birds--Identification Ornithology Rare birds	1986-10-19	1986-10-20	Rare birds documentation form	Rare bird documentation form for a Golden Eagle at Ames in Story County, IA on October 19, 1986.	Gritters, Scott A	Golden Eagle	Ames	2 mi South Ames - gravel road	Open pasture on top of dead tree	The documentation form by Scott Gritters is the only one submitted and forms the basis of this record. Other observers include Kevin Timmer. \| Elimination of similar species: Upon sighting of the bird in the tree we eliminated hawks by large size and black over whole body. At first his head appeared to be black headed - so I thought it was an immature bald eagle. This also cleared it from being a Turkey Vulture. Finally the bird turned its head toward us as it was getting 'nervous' - this revealed a golden crown. \| The original documentation form event lasted from 12:00:00/12:05:00 approximately.	Iowa Ornithologists' Union \| MS 166	33	31
Rare bird documentation form for Northern Harrier at St. Lucas, 1986	Field notes	Birds--Identification Ornithology Rare birds	1986-06-01	N/A	Rare birds documentation form	Rare bird documentation form for a Northern Harrier at St. Lucas in Fayette County, IA on June 1, 1986.	Dietzenbach, Mark A.	Northern Harrier	Saint Lucas	Section 20 nw. Two miles south of St. Lucas. 80 acre wet prairie pasture, west of W14 blacktop.	Open pasture, long grass, wet boggy areas, Open fields	The documentation form by Mark A. Dietzenbach is the only one submitted and forms the basis of this record. \| Elimination of similar species: No other hawk species is pale gray and display a similar flight pattern or markings. \| The original documentation form event lasted from 10:06:00/10:10:00.	Iowa Ornithologists' Union \| MS 166	33	22
Rare bird documentation form for Swainson's Hawk at Bronson, 1984	Field notes	Birds--Identification Ornithology Rare birds	1984-05-04	1984-05-08	Rare birds documentation form	Rare bird documentation form for a Swainson's Hawk at Bronson in Woodbury County, IA on May 4, 1984.	Holloway, Jack A.	Swainson's Hawk	Bronson	Woodbury County, Bronson, Iowa	Open pastures and barefields	The documentation form by Jack A. Holloway III is the only one submitted and forms the basis of this record. \| Elimination of similar species: Harlan's: Harlan's has more white on the tail and on the underside of wing. Harlan's wings are not as long + does not have the distinct habit of flying with the wings at such a noticeable angle. \| The original documentation form event lasted from 10:05:00/10:20:00.	Iowa Ornithologists' Union \| MS 166	33	28
Records Committee review for rare bird sighting of a Red-throated Loon at Saylorville Reservoir, 1985	Administrative records Clippings (information artifacts) Field notes	Bird watching Ornithology Ornithology--Societies, etc	1985-11-30	1996-08-18	Rare birds documentation form	Records Committee review for a Red-throated Loon at Saylorville Reservoir in Polk County, IA on November 30, 1985. Includes a record review document with votes, an Iowa Bird Life article, and two documentation forms submitted to the committee.	Dinsmore, Stephen J.	Red-throated Loon	Saylorville Lake	Saylorville Reservoir, Polk Co.	open patch of water on large, frozen reservoir	The documentation form by Steve Dinsmore is the earliest and the one that forms the basis of this record. Other documentation form by Robert K. "Bob" Myers were submitted later. \| Elimination of similar species: Common Loon eliminated by overall size, bill shape and size, and white spots on back. Arctic Loon eliminated by bill shape and black of crown not reaching eye. \| The original documentation form event lasted from 11:00:00/13:00:00 and 13:45:00/14:15:00.	Iowa Ornithologists' Union \| MS 166	7	5
Rare bird documentation form for Merlin east of Sweet Marsh, 1984	Field notes	Birds--Identification Ornithology Rare birds	1984-04-07	N/A	Rare birds documentation form	Rare bird documentation form for a Merlin east of Sweet Marsh in Bremer County, IA on April 7, 1984.	Moore, Francis L.	Merlin	Sweet Marsh	1 mile East of south entrance to Sweet Marsh, Bremer Co., IA	Open plowed farmland next to gravel road.	The documentation form by Francis L. Moore is the only one submitted and forms the basis of this record. Other observers include Russell Hays. \| Elimination of similar species: Peregrine Falcon does not have as large bands on the tail as this bird had. Peregrine also has strong facial mustache marking and is much larger. Accipiters do not have as strong direct and continuous flapping flight as this bird had. \| The original documentation form event lasted from 08:10:00/08:14:00.	Iowa Ornithologists' Union \| MS 166	33	32
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 Whimbrel at MidAmerican Energy Ponds in Woodbury County, 1991	Administrative records Field notes	Bird watching Ornithology Ornithology--Societies, etc	1991-05-13	1993-07-17	Rare birds documentation form	Records Committee review of a Whimbrel at MidAmerican Energy Ponds in Woodbury County, IA on May 13, 1991. Includes a record review document with votes and a documentation form submitted to the committee.	Probst, Jerry	Whimbrel	MidAmerican Energy Ponds	IPS Flyash Pits Woodbury Co	Open Pond Flyash Shore	The documentation form by Jerry Probst is the only one submitted and forms the basis of this record. Other observers include Carol Boots. \| Elimination of similar species: Long Billed Curlew - head pattern Eskimo Curlew - size + bill shape + size. All other shorebirds don't have radical decurved bill. \| The original documentation form event lasted from 18:00:00/19:00:00.	Iowa Ornithologists' Union \| MS 166	9	23
Records Committee review for rare bird sighting of a Trumpeter Swan at Le Claire, 1989	Administrative records Clippings (information artifacts) Field notes Photographs	Bird watching Ornithology Rare birds	1989-01-09	1993-08-05	Rare birds documentation form	Records Committee review of a Trumpeter Swan at Le Claire in Scott County, IA on January 9, 1989. Includes a record review document with votes, an article in Iowa Bird Life, three photocopied photographs, and two documentation forms submitted to the committee.	Petersen, Peter C.	Trumpeter Swan	Le Claire	Channel of Miss. River 1 mi. N. Le Claire IA & Pt Byron IL, Scott & Rock Isl Co	Open pool in main channel of Missippi River	The documentation form by Peter C. Petersen is the earliest and the one that forms the basis of this record. Another documentation form by Diane Porter was submitted from February 25, 1989. Other observers include Mary Lou Petersen, Don Moeller, and Ann Barker. \| Elimination of similar species: Tundra swan- Bill very dark near base in this bird, would be light in Tundra, slope of top of head to bill tip wrong for Tundra, brownish tinge to plumage wrong for Tundra, also long bill. \| The original documentation form event lasted from 09:40:00/09:45:00 and 10:00:00/10:03:00.	Iowa Ornithologists' Union \| MS 166	8	12
Records Committee review for rare bird sighting of Black Rail at Zirbel Slough, 1989	Administrative records Field notes	Bird watching Ornithology Ornithology--Societies, etc	1989-05-15	1993-08-05	Rare birds documentation form	Records Committee review of a Black Rail at Zirbel Slough in Cerro Gordo County, IA on May 15, 1989. Includes a record review document with votes and a documentation form submitted to the committee.	Walter, Janice L.	Black Rail	Zirbel Slough	East-west dike n. side of Zirbel Slough, Cerro Gordo Co., Ia	Open pool of water between dike and dense marsh	The documentation form by Jan L. Walter is the only one submitted and forms the basis of this record. Other observers include Jim B. Walter and Edna E. Peters. \| Elimination of similar species: Size; Rail shape, flight, and behavior eliminated near-by Blackbirds. It was too early in the year for a downy Rail chick in North Iowa. Also downy chicks would not be able to fly. Very small size and all black color eliminated other Rail species. Even though we did not see the reddish wash on the back, white speckling on the wings, or barring on the flanks; the black, not reddish, underparts eliminated the possibility of a small Virginia Rail. \| The original documentation form event lasted from 19:13:00/19:13:00.	Iowa Ornithologists' Union \| MS 166	9	12
Rare bird documentation form for Merlin at Ocheyedan Township, 1981	Field notes	Birds--Identification Ornithology Rare birds	1981-03-17	N/A	Rare birds documentation form	Rare bird documentation form for a Merlin at Ocheyedan Township in Osceloa County, IA on March 17, 1981.	Harr, Douglas C.	Merlin	Ocheyedan Township	Sec. 6, Ocheyedan Township, Osceola Co., Iowa	Open prairie farmlands on edge of glacial escarpment near Ocheyedan River. 3 acre erosion control pond surrounded by grass, with some nearby shrub plantings and a few old Box elders and ash trees.	The documentation form by Douglas C. Harr is the only one submitted and forms the basis of this record. \| Elimination of similar species: Peregrine - not enough bold pattern and smaller than peregrine. Prairie Falcon - bird sighted was too small. \| The original documentation form event lasted from 11:43:00/11:45:00.	Iowa Ornithologists' Union \| MS 166	33	32
Rare bird documentation form for White-winged Scoter at Saylorville Reservoir Dam, 1982	Field notes	Birds--Identification Ornithology--Societies, etc Rare birds	1982-04-08	1982-04-12	Rare birds documentation form	Rare bird documentation form for a White-winged Scoter at Saylorville Reservoir Dam in Polk County, IA on April 8, 1982.	Schaufenbuel, Joseph P.	White-winged Scoter	Saylorville Dam	By Saylorville Reservoir Dam, Polk Co., Iowa	Open Reservoir above dam.	The documentation form by Joe Schaufenbuel is the only one submitted and forms the basis of this record. \| Elimination of similar species: No other large species of Duck female is so uniformly brown with a white speculum. \| The original documentation form event lasted from 16:00:00/16:35:00.	Iowa Ornithologists' Union \| MS 166	33	12
Rare bird documentation form for Palm Warbler in Greenfield Township in Warren County, 1991	Field notes	Birds--Behavior Birds--Identification Ornithology Rare birds	1991-08-17	1991-08-18	Rare birds documentation form	Rare bird documentation form for a Palm Warbler in Greenfield Township in Warren County, IA on August 17, 1991.	Johnson, Ann	Palm Warbler	Greenfield Township	My yard in northern Warren County, Iowa	Open riparian edge	The documentation form by Ann Johnson is the only one submitted and forms the basis of this record. \| Elimination of similar species: Other yellow rumped warblers were eliminated by the bright yellow undertail coverts contrasting with the buffy breast and belly. \| The original documentation form event lasted from 11:20:00/11:25:00.	Iowa Ornithologists' Union \| MS 166	35	31
Rare bird documentation form for Thayer's Gull at Lock and Dam 15, 1995	Field notes	Birds--Identification Ornithology Rare birds	1995-12-17	N/A	Rare birds documentation form	Rare bird documentation form for a Thayer's Gull at Lock and Dam 15 in Scott County, IA on December 17, 1995.	Petersen, Peter C.	Thayer's Gull	Lock and Dam 15	Lock + Dam 15, seen from Iowa walking near Il. Shore mostly	Open river	The documentation form by Peter C. Petersen is the only one submitted and forms the basis of this record. Other observers include Walter Zuurdeeg, Mary Lou Petersen, and Kelly McKay. \| Elimination of similar species: Herring Gull - heavier bill, very dark primary tips, no windows, tail darker with uneven white edge, secondaries dark from above, underwing much darker. Iceland Gull would show much lighter plumage overall, especially tail + primary tips. \| The original documentation form event lasted from 12:05:00/12:10:00.	Iowa Ornithologists' Union \| MS 166	34	35
Rare bird documentation form for Glaucous Gull at Lock and Dam 14 near Davenport, 1979	Field notes	Birds--Identification Ornithology Rare birds	1979-12-16	N/A	Rare birds documentation form	Rare bird documentation form for a Glaucous Gull at Lock and Dam 14 near Davenport in Scott County, IA on December 16, 1979.	Kent, Thomas H. (Thomas Hugh), 1934-	Glaucous Gull	Lock and Dam 14	Lock 14 N. of Davenport IA	Open river below dam Mississippi River	The documentation form by Thomas H. Kent is the only one submitted and forms the basis of this record. Other observers include Thomas Shires. \| Elimination of similar species: Herring Gull immature - many present for comparison. All Herring Gull had variable black-gray on wings and tail Iceland Gull - large bill with pale base and size eliminate this species, also rare \| The original documentation form event lasted from 09:00:00/09:05:00.	Iowa Ornithologists' Union \| MS 166	34	37
Records Committee review for rare bird sighting of Black-legged Kittiwake in Waterloo, 1997	Administrative records Field notes	Bird watching Ornithology Ornithology--Societies, etc	1997-12-21	2000-11-24	Rare birds documentation form	Records Committee review of a Black-legged Kittiwake in Waterloo in Black Hawk County, IA on December 21, 1997. Includes a record review document with votes and a documentation form submitted to the committee.	Moore, Francis L.	Black-legged Kittiwake	Waterloo	On South Side of Cedar River between Cedar Falls and Waterloo opposite George Wyth S.P.	Open river front	The documentation form by Francis L. Moore is the only one submitted and forms the basis of this record. Other observers include Al Brown, Opal Uher, Maurice Hanson, Tom Stone, and Ruby Hanson. \| Elimination of similar species: No other adult gull has this combination of fieldmarks, all yellow bill, black legs, black outer primaries, smudge on back of head onto the nape, black eyes, rest of body all white, white slightly forked tail. \| The original documentation form event lasted from 13:10:00/13:20:00.	Iowa Ornithologists' Union \| MS 166	11	10
Rare bird documentation form for Black-legged Kittiwake at George Wyth State Park, 1997	Field notes	Birds--Identification Ornithology Rare birds	1997-12-21	N/A	Rare birds documentation form	Rare bird documentation form for a Black-legged Kittiwake at George Wyth State Park in Black Hawk County, IA on December 21, 1997.	Moore, Francis L.	Black-legged Kittiwake	George Wyth Memorial State Park	On southside of Cedar River between Cedar Falls and Waterloo opposite George Wyth S.P.	Open river front	The documentation form by Francis L. Moore is the only one submitted and forms the basis of this record. Other observers include Al Brown, Opal Uher, Maurice Hanson, Ruby Hanson, and Tom Stone. \| Elimination of similar species: No other adult gull has this combination of fieldmarks, all yellow bill, black legs, black outer primaries, smudge on back of head on to the nape, black eyes, rest of body all white, white slightly forked tail. \| The original documentation form event lasted from 13:10:00/13:20:00.	Iowa Ornithologists' Union \| MS 166	34	40
Rare bird documentation form for Thayer's Gull at Red Rock Dam, 1993	Field notes	Birds--Identification Ornithology Rare birds	1993-12-24	N/A	Rare birds documentation form	Rare bird documentation form for a Thayer's Gull at Red Rock Dam in Marion County, IA on December 24, 1993.	Johnson, Ann	Thayer's Gull	Red Rock Dam	Below Red Rock Dam, Marion County, Iowa	Open river with gravel bars	The documentation form by Ann Johnson is the only one submitted and forms the basis of this record. Other observers include Raymond Cummins. \| Elimination of similar species: Dark eye and head/bill structure eliminated Herring Gull. \| The original documentation form event lasted from 11:20:00/11:30:00.	Iowa Ornithologists' Union \| MS 166	34	35
Records Committee review for rare bird sighting for White-winged Dove at Riverton Wildlife Area, 1997	Administrative records Field notes	Bird watching Ornithology Ornithology--Societies, etc	1997-08-30	2000-11-24	Rare birds documentation form	Records Committee review for a White-winged Dove at Riverton Wildlife Area in Fremont County, IA on August 30, 1997. Includes a record review document with votes and a documentation form submitted to the committee.	Overton, Michael D.	White-winged Dove	Riverton Wildlife Management Area	Fremont co., Riverton Wildlife Area, .5 mile N of jct. check station road & Fremont co. Rd. J46	Open small trees and shrubs along roadside between hardwood bottomland and agricultural cropland.	The documentation form by Michael D. Overton is the only one submitted and forms the basis of this record. Another observer includes Dixie Overton. \| Elimination of similar species: Rock Dove: Wing pattern, tail pattern, head pattern, rump color. Mourning Dove: Overall shape, tail shape and pattern, wing pattern. Zenaida Dove: Breast and belly color, wing pattern, tail shape and color, common sense. \| The original documentation form event lasted from approximately 08:15:00/08:25:00.	Iowa Ornithologists' Union \| MS 166	12	10
Records Committee review for rare bird sighting of Common Eider at Red Rock Reservoir, 1995	Administrative records Clippings (information artifacts) Correspondence Field notes Forms (documents) Photographs	Bird watching Ornithology Ornithology--Societies, etc	1995-01-27	2000-11-18	Rare birds documentation form	Records Committee review of a Common Eider at Red Rock Reservoir in Marion County, IA on January 27, 1995. Includes a record review document with votes, correspondence over the sighting, photos, drawings of the bird sighting, articles in Iowa Bird Life, Field Notes, and other publications, and twelve documentation forms submitted to the committee.	Dinsmore, Stephen J.	Common Eider	Red Rock Dam	Des Moines River below Red Rock dam - Marion Co., Iowa	open stretch of river	The documentation form by Stephen J. Dinsmore is the earliest and the one that forms the basis of this record. Other documentation forms by Jim Dinsmore, Thomas H. Kent, Jim Fuller, Reid Allen, Ann Johnson, Mark Proescholdt, Chris Edwards, Peter C. Petersen, Ray Cummins, Robert Cecil, and Diane Porter were submitted later. \| Elimination of similar species: See above discussion (Description). Steller's Eider eliminated by size. Female and immature King Eider eliminated by pattern of barring on flanks, size of bill, position of eye, faint white supercilium, and pattern of feathering on bill. Spectacled Eider eliminated by facial pattern and bill shape. \| The original documentation form event lasted from 13:45:00/15:05:00.	Iowa Ornithologists' Union \| MS 166	8	18
Rare bird documentation form for Glaucous Gull at Saylorville Reservoir, 1988	Field notes	Birds--Identification Ornithology Rare birds	1988-11-30	N/A	Rare birds documentation form	Rare bird documentation form for a Glaucous Gull at Saylorville Reservoir in Polk County, IA on November 30, 1988.	Dinsmore, Stephen J.	Glaucous Gull	Saylorville Lake	Saylorville Reservoir, Polk County	open strip of water on large, frozen reservoir	The documentation form by Steve Dinsmore is the only one submitted and forms the basis of this record. \| Elimination of similar species: Iceland Gull eliminated by smaller size (smaller than Herring Gull), smaller, darker bill, and small-headed appearance. \| The original documentation form event lasted from 11:30:00/12:30:00.	Iowa Ornithologists' Union \| MS 166	34	37
Records Committee review for rare bird sighting for Black-headed Grosbeak at Riverton Wildlife Area, 1997	Administrative records Field notes	Bird watching Ornithology Ornithology--Societies, etc	1997-08-09	2000-11-24	Rare birds documentation form	Records Committee review for a Black-headed Grosbeak at Riverton Wildlife Area in Fremont County, IA on August 9, 1997. Includes a record review document with votes and a documentation form submitted to the committee.	Overton, Michael D.	Black-headed Grosbeak	Riverton Wildlife Management Area	Fremont Co., Riverton Wildlife Area, .25 miles N. of jct. check station road & Fremont co. Rd. J46	Open tallgrass ditch with scattered small trees and shrubs along road between mixed hardwood bottomland forest and agricultural cropland	The documentation form by Michael Overton is the only one submitted and forms the basis of this record. Another observer was Dixie Overton. \| Elimination of similar species: Rose-breasted Grosbeak. The bird observed showed no fine black streaking on the breast and only limited fine black streaking on the lower flanks. The chin, throat, breast, upper belly, and flanks were a strong ochre color. The lesser underwing coverts showed as a yellow edge on the folded wing. \| The original documentation form event lasted from 09:30:00/09:35:00.	Iowa Ornithologists' Union \| MS 166	14	3
Rare bird documentation form for Merlin at Glenwood, 1989	Field notes	Birds--Identification Ornithology Rare birds	1989-01-01	N/A	Rare birds documentation form	Rare bird documentation form for a Merlin at Glenwood in Mills County, IA on January 1, 1989.	Rose, Douglas L.	Merlin	Glenwood	in abandoned alley. Locust St, Tyson St., Hazel St., Glenwood IA.	Open w/ houses, shrubs, med. trees - suburban -	The documentation form by Douglas L. Rose is the only one submitted and forms the basis of this record. Other observers include June Parks, Howard Curry, and Jenny Curry. \| Elimination of similar species: Sharp Shinned Hawk, - pointed wings, mustache, Kestrel - Wrong color - only one mustache, no stripe, brown back an tail., banded tail. \| The original documentation form event lasted from 13:30:00/13:40:00.	Iowa Ornithologists' Union \| MS 166	33	32
Records Committee review for rare bird sighting of Thayer's Gull at Coralville Dam, 1981	Administrative records Correspondence Field notes	Bird watching Ornithology Ornithology--Societies, etc	1981-11-08	1993-08-26	Rare birds documentation form	Records Committee review for three Thayer's Gulls at Coralville Dam in Johnson County, IA on November 8, 1981. Includes a record review document with votes, correspondence and commentary about the sighting, summary of the review, and a documentation form submitted to the committee.	Moore, Francis L.	Thayer's Gull	Coralville Dam	Coralville Reservoir	Open wate [sic] near small sandy beach near the Dam area, Johnson County	The documentation form by Francis L. Moore is the only one submitted and forms the basis of this record. Other observers include Russell Hays, Tom Kent, Tom Shires, Tom Staudt, and many unidentified other observers. \| Elimination of similar species: Ring-billed Gull and Herring Gull, see above. The Ring-billed Gulls were seen in direct contrast to these three birds and were definitely much smaller birds. The Herring Gulls (first year birds) that I have seen have more of a contrast between the rump and back and upper wing surfaces and none that I remember showed the whitish trailing edge on the tail. [...] The three birds seen were about the size of Herring Gulls in typical first year plumage. They were obviously large gulls of the genus Larus with a noticeably larger size than the Ring-billed Gulls and one Bonaparte's Gull that were next to the three larger birds. [...] There were no Herring Gulls nearby with which to make a comparison of size and coloration. The bills of all three gulls were black did not seem as heavy or bulky as the bill of a Herring Gull. \| The original documentation form event lasted from 08:10:00/09:30:00.	Iowa Ornithologists' Union \| MS 166	11	3
Records Committee review for rare bird sighting of Red-throated Loon at Lake Manawa State Park, 1990	Administrative records Field notes	Bird watching Ornithology Ornithology--Societies, etc	1990-11-12	1993-07-17	Rare birds documentation form	Records Committee review for a Red-throated Loon at Lake Manawa State Park in Pottawattamie County, IA on November 12, 1990. Includes a record review document with votes and two documentation forms submitted to the committee.	Johnson, Ann	Red-throated Loon	Lake Manawa State Park	Lake Manawa State Park, Pottawattamie County, Iowa	Open water	The documentation form by Ann Johnson is the earliest and the one that forms the basis of this record. Another documentation form by Tanya E. Bray was submitted later. Other observers include Babs Padelford, BJ Rose, Ross Silcock, and Tim Schantz. \| Elimination of similar species: Cormorants could be eliminated by bill shape, among other characteristics. The bird had some similarities to a Western Grebe, but the grebe would hold its head parallel to the water, has a longer neck, and does not show the contrast between head/nape and back. Common Loon was eliminated by posture, size and shape of bill, contrast of lighter head and darker back, and more diffuse separation of upper and underparts. Pacific Loon was eliminated by the grayer underparts, diffuse separation of upper and underparts, posture, and sharp upward angle on lower mandible. \| The original documentation form event lasted from 11:50:00/12:15:00.	Iowa Ornithologists' Union \| MS 166	7	5