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

Records Committee review for rare bird sighting for Smith's Longspur at Larson Marsh, 1982	Administrative records Field notes	Bird watching Ornithology Ornithology--Societies, etc	1982-04-18	1993-09-01	Rare birds documentation form	Records Committee review for two or three Smith's Longspurs at Larson Marsh in Story County, IA on April 18, 1982. Includes a record review document with votes, a summary of the review, and a documentation form submitted to the committee.	Martsching, Paul	Smith's Longspur	Larson Marsh	Larson's Marsh (east of Ames) Story County, Iowa	General: marsh with pond nearby Specific: wet grassy area - much old tall grass bent down by snow last winter.	The documentation form by Paul Martsching is the only one submitted and forms the basis of this record. Other observers include an unidentified observer. \| Elimination of similar species: After seeing the first one and going thru all the pictures of sparrows was at a lose [sic] to know what I'd seen. Later we went back. The only sparrows with black & white face pattern (Wh Crnd & Wh Throated) are only black & white from the eyes up. Only realized was seeing a longspur about the time the last male disappeared in the grass. Were unable to flush. \| The original documentation form event lasted from 14:00:00/14:00:30 and 17:15:00/17:16:00 for the female bird and 17:15:00/17:15:10 for the male bird.	Iowa Ornithologists' Union \| MS 166	13	42
Records Committee review for rare bird sighting for Pacific Loon at Beaver Creek, 1902	Administrative records Clippings (information artifacts) Field notes	Birds--Identification Rare birds	1902-12-01	1994-02-03	Manuscript, graphic, and printed material	Records Committee review for two Pacific Loon at Beaver Creek in Polk County, IA, in December, 1902. Includes a record review document with votes, comments by the IOU Records Committee on the sighting, the original sighting record found in the publication Birds of Polk County, Iowa, by Philip A. DuMont and seen by Lester P. Fagan.	Iowa Ornithologists' Union Records Committee	Pacific Loon	Beaver Creek				Iowa Ornithologists' Union \| MS 166	7	7
Records Committee review for rare bird sighting for Pacific Loon at Maffit Lake, 1972	Administrative records Clippings (information artifacts) Field notes	Birds--Identification Rare birds	1972-05-06	1994-02-03	Manuscript, graphic, and printed material	Records Committee review for two Pacific Loons at Maffit Lake in Polk County, IA on May 6, 1972. Includes a record review document with votes, commentary by the IOU Records Committee on the bird sighting, the original sighting record found in the publication Field Reports in Iowa Bird Life 42:37 seen by Woodward H. Brown and D. Mooney.	Iowa Ornithologists' Union Records Committee	Pacific Loon	Dale Maffitt Reservoir				Iowa Ornithologists' Union \| MS 166	7	7
Records Committee review for rare bird sighting for Pine Grosbeak at Spencer, 1995	Administrative records Field notes Photographs	Bird watching Ornithology Ornithology--Societies, etc	1995-02-27	2000-11-20	Rare birds documentation form	Records Committee review for two Pine Grosbeaks at Spencer in Clay County, IA on February 27, 1995. Includes a record review document with votes, a photo, and three documentation forms submitted to the committee.	Schoenewe, Lee A.	Pine Grosbeak	Spencer	Riverside cemetary & residence at Prospect Dr., Spencer	Pine trees & Ash trees in suburban neighborhood & cemetary	The documentation form by Lee A. Schoenewe is the earliest and the one that forms the basis of this record. Other documentation forms by Jim Fuller and Thomas H. Kent were submitted later. Other observers include Doug Harr and Dick Tetrault. \| Elimination of similar species: White-winged Crossbill: bill shape, size & long tail. \| The original documentation form event lasted from 07:40:00 and 16:45:00/17:05:00.	Iowa Ornithologists' Union \| MS 166	14	13
Records Committee review for rare bird sighting for Pine Warbler at Hancher Auditorium at Iowa City, 1992	Administrative records Clippings (information artifacts) Field notes Photographs	Bird watching Ornithology Ornithology--Societies, etc	1992-12-20	1994-10-18	Rare birds documentation form	Records Committee review for two Pine Warblers at Hancher Auditorium at Iowa City in Johnson County, IA on December 20, 1992. Includes a record review document with votes, an article in Iowa Bird Life, three photographs, and three documentation forms submitted to the committee.	Fuller, James L	Pine Warbler	Hancher Auditorium	Under white and scotch pines at edge of Hancher Auditorium parking lot, University of Iowa, Iowa City (Johnson County).		The documentation form by Jim Fuller forms the basis of this record. Other documentation forms by Thomas H. Kent and Randall Pinkston were submitted. Other observers include Carl Bendorf, Dick Teterault, Jim Scheib, Matt Prather, and many unidentified observers. \| Elimination of similar species: The combination of light eye ring, whitish wingbars, unstreaked back, and light belly and vent should separate this species from any other warbler. \| The original documentation form event lasted from 08:55:00/09:20:00 and 12:55:00/13:00:00.	Iowa Ornithologists' Union \| MS 166	13	20
Records Committee review for rare bird sighting for Prairie Warbler at Rathbun Reservoir, 1977	Administrative records Field notes	Bird watching Ornithology Ornithology--Societies, etc	1977-09-05	1993-08-19	Rare birds documentation form	Records Committee review for two Prairie Warblers at Rathbun Reservoir in Appanoose County, IA on September 5, 1977. Includes a record review document with votes and a documentation form submitted to the committee.	Wymore, Gary D.	Prairie Warbler	Rathbun Lake	County Line Access, Lake Rathbun Reservoir	General: West facing slope of oak-hickory woods, with honey locust adjacent, small pond bey[...] Specific: In young honeylocust (15-18 ft.), had been raining earlier in day and very moist conditions prevailed under tree canopy, with water droplets on leaves.	The documentation form by Gary Wymore is the only one submitted and forms the basis of this record. \| Elimination of similar species: None \| The original documentation form event lasted from 12:35:00/12:45:00.	Iowa Ornithologists' Union \| MS 166	13	22
Records Committee review for rare bird sighting of Red Knot at Oak Grove Beach at Saylorville Reservoir, 1986	Administrative records Clippings (information artifacts) Field notes	Bird watching Ornithology Ornithology--Societies, etc	1986-08-05	1993-09-07	Rare birds documentation form	Records Committee review for two Red Knots at Oak Grove Beach at Saylorville Reservoir in Polk County, IA on August 5, 1986. Includes a record review document with votes, summary of the review, an article of Iowa Bird Life, and three documentation forms submitted to the committee.	Dinsmore, Stephen J.	Red Knot	Oak Grove Recreation Area	Oak Grove Beach, Saylorville Reservoir	sandy beach along lake	The documentation form by Steve Dinsmore is the earliest and the one that forms the basis of this record. Other documentation forms by Steve Dinsmore (later sighting) and Bob Myers were submitted later. \| Elimination of similar species: Only two other sandpipers have reddish underparts-Curlew Sandpiper and Sanderling. Bill shape eliminates Curlew Sandpiper. The larger size, extent of reddish underparts, leg color, white rump, and wing stripe confined to the secondaries eliminates Sanderling. \| The original documentation form event lasted from 07:31:00/07:57:00 and 08:17:00/08:26:00.	Iowa Ornithologists' Union \| MS 166	10	1
Records Committee review for rare bird sighting of Red Knot at Riverton Area, 1992	Administrative records Field notes	Bird watching Ornithology Ornithology--Societies, etc	1992-05-13	1994-10-18	Rare birds documentation form	Records Committee review for two Red Knots at Riverton Area in Fremont County, IA on May 13, 1992. Includes a record review document with votes and two documentation forms submitted to the committee.	Kent, Thomas H. (Thomas Hugh), 1934-	Red Knot	Riverton Wildlife Management Area	Riverton Area, Fremont Co., Iowa	Shallow mud flats with pool at low water level.	The documentation form by Thomas H. Kent is the earliest and the one that forms the basis of this record. Another documentation form by Jim Fuller was submitted later. Other observers include Jim Scheib and Dick Tetrault. \| Elimination of similar species: The chunky body, relatively short legs, feeding pattern, and lack of white rump led me away from Stilt Sandpiper. The bill was much too short for dowitcher. The bill was not curved enough for Curlew Sandpiper. These birds appeared to be partially molted into alternate plumage. \| The original documentation form event lasted from 08:35:00/08:45:00 and 10:30:00.	Iowa Ornithologists' Union \| MS 166	10	1
Records Committee review for rare bird sighting of Red Knot at Union Slough National Wildlife Refuge, 1996	Administrative records Clippings (information artifacts) Field notes	Bird watching Ornithology Ornithology--Societies, etc	1996-08-25	2000-11-22	Rare birds documentation form	Records Committee review for two Red Knots at Union Slough National Wildlife Refuge in Kossuth County, IA on August 25, 1996. Includes a record review document with votes, an Iowa Bird Life article, and a documentation form submitted to the committee.	Kenne, Matthew C.	Red Knot	Union Slough National Wildlife Refuge	USNWR 1 mile N. of Headquarters, N. of road on mudflats	mudflats from receded large pool	The documentation form by Matthew Kenne is the only one submitted and forms the basis of this record. \| Elimination of similar species: The reddish underside of one bird was reminiscent of Dowitchers, but the back pattern in flight and bill differences are way off. Sanderling's feeding habits are different from the simple pecking these birds did and the gray one didn't have the 'black shoulder' or big wingstripe. Curlew Sandpiper's bill is curved. \| The original documentation form event lasted from 09:00:00/09:30:00.	Iowa Ornithologists' Union \| MS 166	10	1
Records Committee review for rare bird sighting of Red Knot west of Huxley, 1990	Administrative records Field notes	Bird watching Ornithology Ornithology--Societies, etc	1990-09-03	1993-07-17	Rare birds documentation form	Records Committee review for two Red Knots west of Huxley in Story County, IA on September 3, 1990. Includes a record review document with votes and six documentation forms submitted to the committee.	Dinsmore, Stephen J.	Red Knot	Huxley	flooded field 1.2 mi. west of Huxley, Story Co.		The documentation form by Steve Dinsmore is the earliest and the one that forms the basis of this record. Other documentation forms by Pam Allen, Jim Dinsmore (2x), Mark Proescholdt, Beth Proescholdt, and Tim Schantz were submitted later. Other observers include Jim Fuller, Ann Johnson, Reid Allen, and unidentified other observers. \| Elimination of similar species: The fairly large size and gray and white plumage eliminates all shorebirds except Sanderling and winter-plumaged Dunlin. Sanderling is eliminated by smaller size and different bill shape. Winter-plumaged Dunlin is eliminated by different bill shape, slightly smaller size, and different tail pattern. \| The original documentation form event lasted from 17:20:00/18:48:00.	Iowa Ornithologists' Union \| MS 166	10	1
Records Committee review for rare bird sighting of Red-throated Loon at Lake Manawa, 1989	Administrative records Clippings (information artifacts) Correspondence Field notes	Bird watching Ornithology Ornithology--Societies, etc	1989-04-27	1993-07-21	Rare birds documentation form	Records Committee review for two Red-throated Loons at Lake Manawa in Pottawattamie County, IA on April 27, 1989. Includes a record review document and four documentation forms submitted to the committee.	Bray, Tanya	Red-throated Loon	Lake Manawa	Lake Manawa, Pottawattamie County		The documentation form by Tanya E. Bray is the earliest and the one that forms the basis of this record. Other documentation forms by Babs Padelford, Loren Padelford, Marc Lund, and Bob Myers were submitted later. Other observers include B.J. Rose, Doug Rose, Roger Rose, Dave Starr, and Jerry Toll. \| Elimination of similar species: Pacific Loon, eliminated by red color of throat patch and shape of bill. This bird's bill was more like that of a Eared Grebe; that is, very slender and not as loon-like as that of Pacific Loon. Pacific Loon's bill looks like a small Common Loon. Pacific Loon's bill looks like a small Common Loon. Common Loon: eliminated by size of bird, shape of bill, and red throated patch. \| The original documentation form event lasted from 16:15:00/16:45:00.	Iowa Ornithologists' Union \| MS 166	7	5
Records Committee review for rare bird sighting for Ringed Turtle-Dove at Davenport in 1976	Administrative records Clippings (information artifacts) Field notes	Birds--Identification Introduced birds Rare birds	1977-03-01	1993-08-26	Manuscript, graphic, and printed material	Records Committee review for two Ringed Turtle-Doves at Davenport in Scott County, IA in the fall and early winter of 1976. Includes a record review document with votes, additional notes about the sighting, the original sighting record found in the publication Field reports in Iowa Bird Life 47:18-22 by N.S. Halmi reported by Peter C. Petersen and seen by John Petersen.	Iowa Ornithologists' Union Records Committee	Ringed Turtle-Dove	Davenport				Iowa Ornithologists' Union \| MS 166	12	8
Records Committee review for rare bird sighting for Rock Wren at Red Oak, 1991	Administrative records Clippings (information artifacts) Field notes	Bird watching Ornithology Ornithology--Societies, etc	1991-09-17	1993-07-17	Rare birds documentation form	Records Committee review for two Rock Wrens at Red Oak in Montgomery County, IA on September 17, 1991. Includes a record review document with votes, an article in Iowa Bird Life, and a documentation form submitted to the committee.	Carlisle, David	Rock Wren	Red Oak	[...] my house in Red Oak, IA		The documentation form by Dave Carlisle is the only one submitted and forms the basis of this record. \| Elimination of similar species: [...] In my attempts to identify the birds, my first observations led me to believe they both were wrens; however, they were larger than the common house wren and lacked the definite light eye ring. [...] I took notice that the bird in hand lacked the definite eye stripe characteristic of the Bewick's, Carolina, and Marsh wrens. There were no white stripes on the back as in the Marsh Wren and it did not have the white outer tail feathers characteristic of Bewick's Wren. \| The original documentation form event occurred lasted from approximately 07:50:00/08:00:00.	Iowa Ornithologists' Union \| MS 166	13	1
Records Committee review for rare bird sighting for Rock Wren at Sioux City in 1898	Administrative records Clippings (information artifacts) Field notes	Birds--Identification Rare birds Zoological specimens	1907-03-01	1994-02-04	Manuscript, graphic, and printed material	Records Committee review for two Rock Wrens at Sioux City in Woodbury County, IA on June 22, 1898. Includes a record review document with votes and the original sighting record found in the publication Birds of Iowa by Rudolph Martin Anderson seen by Guy C. Rich.	Iowa Ornithologists' Union Records Committee	Rock Wren	Sioux City				Iowa Ornithologists' Union \| MS 166	13	1
Records Committee review for rare bird sighting of Sabine's Gull at the riverfront of Davenport, 1991	Administrative records Clippings (information artifacts) Field notes Photographs	Bird watching Ornithology Ornithology--Societies, etc	1991-10-13	1994-02-27	Rare birds documentation form	Records Committee review for two Sabine's Gull at the riverfront of Davenport in Scott County, IA on October 13, 1991. Includes a record review document with votes, an article in Meadowlark, excerpts from American Birds, article and front page from Iowa Bird Life, seven photographs, and seven documentation forms submitted to the committee.	Peiser, Richard H.	Sabine's Gull	Davenport	Riverfront, Davenport, IA	Stone embankment + river	The documentation form by Richard H. Peiser forms the basis of this record. Other documentation forms by Thomas H. Kent, Reid Allen, Peter C. Petersen, James Fuller, Randall Pinkston, and Ann Johnson were submitted. Other observers include John King, Dick Tetrault, Tim Schantz, Brian Blevins, Ann Barker, Jim Scheib, Mary Lou Peterson, Babs Padelford, Loren Padelford, Pam Allen, and many unidentified other observers. \| Elimination of similar species: The upperwing pattern is so striking as to eliminate other gull species, even in the Juvenile Black hood of adult, slight fork of tail + black band on imm. tail band helped. Yellow tip of bill on adult clincher \| The original documentation form event lasted from 14:00:00/18:00:00.	Iowa Ornithologists' Union \| MS 166	11	9
Records Committee review for rare bird sighting for Say's Phoebe at Cone Marsh, 1992	Administrative records Field notes	Bird watching Ornithology Ornithology--Societies, etc	1992-05-16	1994-10-18	Rare birds documentation form	Records Committee review for two Say's Phoebes at Cone Marsh in Louisa County, IA on May 16, 1992. Includes a record review document with votes and a documentation form submitted to the committee.	Durbin, James O.	Say's Phoebe	Cone Marsh Wildlife Management Area	Cone Marsh		The documentation form by James Durbin is the only one submitted and forms the basis of this record. Another observer was Cal Knight. \| Elimination of similar species: Other flycatchers \| The original documentation form event lasted from 09:00:00/09:10:00.	Iowa Ornithologists' Union \| MS 166	12	37
Records Committee review for rare bird sighting for Snowy Egret at Elk Lake in 1934	Administrative records Clippings (information artifacts) Correspondence Field notes	Birds--Identification Rare birds Zoological specimens	1934-07-24	1996-04-24	Manuscript, graphic, and printed material	Records Committee review for two Snowy Egrets at Elk Lake in Clay County, IA on July 24, 1934. Includes a record review document with votes, a request for reconsideration, a letter from Jim Dinsmore to Department of Animal Ecology in Iowa State University, the original sighting record found in the publication Little Blue Herons in Iowa in Iowa Bird Life 5:13 by Logan J. Bennett, and referenced in another publication.	Iowa Ornithologists' Union Records Committee	Snowy Egret	Elk Lake				Iowa Ornithologists' Union \| MS 166	7	16
Records Committee review for rare bird sighting of Ibis species at Lake View, 1975	Administrative records Field notes	Bird watching Ornithology Ornithology--Societies, etc	1975-05-09	1993-08-26	Rare birds documentation form	Records Committee review for two species of Ibis at Lake view in Sac County, IA on May 9, 1975. Includes a record review document with votes, an Iowa Bird Life article, and a documentation form submitted to the committee.	Jones, Glenn E.	Glossy Ibises	Lake View	3 mi. S of west Ridge of Lake View, Sac. Co., Iowa	marshy - a grazed out pasture - wet at this time - usually grazed in June and July	The documentation form by Glenn E. Jones is the earliest and the one that forms the basis of this record. Other observers include Ed Weiner and Mark Bohemayer. \| Elimination of similar species: Little green heron. \| The original documentation form event lasted from 10:00:00/16:00:00.	Iowa Ornithologists' Union \| MS 166	7	21
Records Committee review for rare bird sighting for Sprague's Pipit in Northwest Iowa in 1949	Administrative records Clippings (information artifacts) Field notes	Birds--Identification Rare birds	1949-06-01	1994-01-28	Manuscript, graphic, and printed material	Records Committee review for two Sprague's Pipits in Northwest Iowa on April 23, 1949. Includes a record review document with votes, a request for reconsideration of the record, the original sighting record found in the publication Sprague's Pipit in Northwest Iowa in Iowa Bird Life 19(2):34 by F.L.R. Roberts, and referenced by two other publications.	Iowa Ornithologists' Union Records Committee	Sprague's Pipit	Iowa				Iowa Ornithologists' Union \| MS 166	13	13
Records Committee review for rare bird sighting for Sprague's Pipit north of La Porte City in 1962	Administrative records Clippings (information artifacts) Field notes	Birds--Identification Rare birds	1962-09-01	1994-01-28	Manuscript, graphic, and printed material	Records Committee review for two Sprague's Pipits north of La Porte City in Black Hawk County, IA on May 27, 1962. Includes a record review document with votes, a request for reconsideration of the record, the original sighting record found in the publication Both Pipits at Waterloo in Iowa Bird Life 32(3):58-59 by Myrle Burk seen by six members of the Waterloo Audubon Society, and referenced by another publication.	Iowa Ornithologists' Union Records Committee	Sprague's Pipit	La Porte City				Iowa Ornithologists' Union \| MS 166	13	13
Records Committee review for rare bird sighting of Thayer's Gull at Lock and Dam 15 near Davenport, 1991	Administrative records Field notes	Bird watching Ornithology Ornithology--Societies, etc	1991-12-15	1993-07-17	Rare birds documentation form	Records Committee review for two Thayer's Gull at Lock and Dam 15 near Davenport in Scott County, IA on December 15, 1991. Includes a record review document with votes and a documentation form submitted to the committee.	Blevins, Brian L.	Thayer's Gull	Lock and Dam 15	Lock + Dam 15 on Mississippi River	Mississippi River Flyway just below the Dam	The documentation form by Brian Blevins is the only one submitted and forms the basis of this record. Other observers include Corey Blevins, Lewis Blevins, and Peter C. Petersen. \| Elimination of similar species: Herring Gull -> Immature - eliminated by the light brown color continuous all the way throughout the wingtips, thus there was not a darkening towards the wing tips. Adult - eliminated by the light mantle getting lighter towards the wingtips, with just a few grey spots on the primaries. \| The original documentation form event lasted from 15:15:00/15:45:00.	Iowa Ornithologists' Union \| MS 166	11	3
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	1981-11-07	1993-08-26	Rare birds documentation form	Records Committee review for two Thayer's Gulls at Coralville Dam in Johnson County, IA on November 7, 1981. Includes a record review document with votes, correspondence and commentary about the sighting, and a documentation form submitted to the committee.	Kent, Thomas H. (Thomas Hugh), 1934-	Thayer's Gull	Coralville Dam	Coralville Res. Dam, west overlook, Johnson Co. Iowa	Reservoir, just above dam, in water and on swimming beach	The documentation form by Thomas H. Kent is the only one submitted and forms the basis of this record. Other observers include Carl Bendorf, Mike Newlon, and many unidentified other observers. \| Elimination of similar species: Photographs taken at the first encounter with a Celestron 750 mm lens demonstrate the size difference, the bill and head shape difference, the lighter overall color, and the window in the wing. An adult Herring was in the photo with the Thayer's on 7 Nov and imm Herring were photographed on 10 Nov for comparison. \| The original documentation form event lasted from 09:25:00/09:50:00 and 11:00:00/11:20:00 on November 7, 1981 and 07:30:00/08:30:00 on November 8, 1981.	Iowa Ornithologists' Union \| MS 166	11	3
Records Committee review for rare bird sighting of Thayer's Gull at Lake Manawa, 1981	Administrative records Clippings (information artifacts) Correspondence Field notes	Bird watching Ornithology Ornithology--Societies, etc	1981-03-19	1993-08-26	Rare birds documentation form	Records Committee review for two Thayer's Gulls at Lake Manawa in Pottawattamie County, IA on March 19, 1981. Includes a record review document with votes, correspondence and comments about the sighting, an article in Iowa Bird Life, and four documentation forms submitted to the committee.	Silcock, W. Ross	Thayer's Gull	Lake Manawa	Lake Manawa, Pottawattamie County, Iowa.		The documentation form by Ross Silcock is the earliest and the one that forms the basis of this record. Other documentation forms by Thomas H. Kent, Peter C. Petersen, and Robert K. Myers were submitted later. Other observers include Tom Shires, James Kovanda, Sandra Kovanda, Tanya Bray, Babs Padelford, Loren Padelford, B.J. Rose, and four unidentified other observers. \| Elimination of similar species: The above description separates by direct comparison first-year Thayer's and Herring Gulls, the most similar species present. Thayer's may be confused in first year plumage with Kumlien's form of Iceland Gull, but the Thayer's had primaries slightly darker than the mantle (from above), whereas the opposite occurs in Iceland Gull (Lehman). Lehman also notes that some first-year Western Gulls may show translucent primaries from below in certain light, but these observations took place in excellent light at fairly close range. \| The original documentation form event lasted from approximately 09:30:00/11:00:00.	Iowa Ornithologists' Union \| MS 166	11	3
Records Committee review for rare bird sighting of Thayer's Gull at Lock and Dam 13, 1991	Administrative records Field notes	Bird watching Ornithology Ornithology--Societies, etc	1991-12-28	1993-07-17	Rare birds documentation form	Records Committee review for two Thayer's Gulls at Lock and Dam 13 in Clinton County, IA on December 28, 1991. Includes a record review document with votes and a documentation form submitted to the committee.	Blevins, Brian L.	Thayer's Gull	Lock and Dam 13	Lock + Dam 13 on Mississippi River	Mississippi River Flyway just Below the Dam	The documentation form by Brian Blevins is the only one submitted and forms the basis of this record. Other observers include Corey Blevins, Lewis Blevins, and Jennifer Anderson. \| Elimination of similar species: Herring Gull -> eliminated by the light brown color continuous all the way throughout the wingtips, thus there was not a darkening towards the wing tips. The mantle was also lighter than those of the nearby Herring Gulls. \| The original documentation form event lasted from 14:30:00/14:50:00.	Iowa Ornithologists' Union \| MS 166	11	3
Records Committee review for rare bird sighting of Thayer's Gull at Lock and Dam 19 at Keokuk, 1989	Administrative records Field notes Photographs	Bird watching Ornithology Ornithology--Societies, etc	1989-11-24	1993-08-06	Rare birds documentation form	Records Committee review for two Thayer's Gulls at Lock and Dam 19 at Keokuk in Lee County, IA on November 24, 1989. Includes a record review document with votes, four photographs, and a documentation form submitted to the committee.	Cecil, Robert I.	Thayer's Gull	Lock Number 19	Behind Lock and Dam 19 at Keokuk in Lee County, Iowa (Iowa side)	River (Mississippi)	The documentation form by Robert Cecil is the only one submitted and forms the basis of this record. Other observers include John Cecil, Tom Kent, and Francis Moore. \| Elimination of similar species: Only probable similar species is Herring, which has contrasty wings - dark trailing edge and darker wingtips. The Thayer's were obviously a lighter shade of brown than any Herrings present. I judged these birds to be somewhat smaller than any Herring. I could not totally rule out first year Glaucous-winged. According to NGS, Glaucous-wing has less mottling or scalloping. The Keokuk birds were obviously mottled. \| The original documentation form event lasted from 11:05:00/11:30:00.	Iowa Ornithologists' Union \| MS 166	11	3