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 of Thayer's Gull near Lindsay Park in Davenport, 1989	Administrative records Field notes	Bird watching Ornithology Ornithology--Societies, etc	1989-02-18	1993-08-05	Rare birds documentation form	Records Committee review for a Thayer's Gull near Lindsay Park in Davenport in Scott County, IA on February 18, 1989. Includes a record review document with votes and a documentation form submitted to the committee for this sighting.	Petersen, Peter C.	Thayer's Gull	Lindsay Park	Lindsay Park Boat Club harbor, east edge of Davenport Scott Co.	On ice shelf along Mississippi River, 40 yards from sea wa[...]	The documentation form by Peter C. Petersen is the only one submitted and forms the basis of this record.Other observers include Walter Zuurdeeg and many unidentified observers. \| Elimination of similar species: [...] Immature gull same size as nearby Herring Gulls. [...] Head smaller than Herrings, bill more slight, black, + not thickened at the tip, compared to Herrings. When wings spread - this was seen twice, the upper surface seemed fairly uniform with no dark tip pattern as in the Herrings. \| The original documentation form event lasted from 09:50:00/09:55:00.	Iowa Ornithologists' Union \| MS 166	11	3
Records Committee review for rare bird sighting of Sharp-tailed Sandpiper at Credit Island, 1988	Administrative records Clippings (information artifacts) Field notes	Bird watching Ornithology Ornithology--Societies, etc	1988-09-30	1993-08-04	Rare birds documentation form	Records Committee review of a Sharp-tailed Sandpiper at Credit Island in Scott County, IA on September 30, 1988. Includes a record review document with votes, an article in Iowa Bird Life, and two documentation forms submitted to the committee.	Petersen, Peter C.	Sharp-tailed Sandpiper	Credit Island	Credit Island Harbor seen from S. Concord St., Davenport, Scott Co	mud flat on Miss.	The documentation form by Peter C. Petersen forms the basis of this record. Another documentation form by Brian Blevins was submitted later. \| Elimination of similar species: Pectoral Sandpipers, available side-by-side, were slightly larger, legs & bill a bit longer than Sharp-tailed. White eyebrow on Pectorals did not broaden behind eye cap not as richly colored in Pectorals. Pectorals had streaking across buff breast wash uniformly to lower edge of buff. Back of Sharp-tailed seemed more uniformly rich brown than those of the Pectorals. Birds all departed downstream on Miss. before photos could be attempted. \| The original documentation form event lasted from 15:50:00/15:55:00.	Iowa Ornithologists' Union \| MS 166	10	4
Records Committee review for rare bird sighting of Lesser Black-backed Gull on the Mississippi River near Bettendorf, 1990	Administrative records Field notes	Bird watching Ornithology Ornithology--Societies, etc	1990-02-17	1993-07-17	Rare birds documentation form	Records Committee review for a Lesser Black-backed Gull on the Mississippi River near Bettendorf in Scott County, IA on February 17, 1990. Includes a record review document with votes and two documentation forms submitted to the committee.	Petersen, Peter C.	Lesser Black-backed Gull	Bettendorf	2/17- on ice over, Miss. River Channel between Moline, IL. + Bettendorf Ia. obs. in Il. 2/19 at Lock + Dam 15 from Ia. side - again in center of river.	Miss. River ice.	The documentation form by Peter C. Petersen forms the basis of this record. Another documentation form by Jim Fuller was submitted. Other observers include Jim Scheib, Ann Barker, and Walter Zuurdeeg. \| Elimination of similar species: Slaty-backed Gull - legs not pink, size Great Black-backed Gull- legs not pink, size, back not dark enough Western Gull - legs not pink, size Yellow footed Gull - size \| The original documentation form event lasted from 09:25:00/09:40:00 on February 17, 1990 and 09:40:00/09:45:00 on February 19, 1990.	Iowa Ornithologists' Union \| MS 166	11	5
Records Committee review for rare bird sighting of Iceland Gull near Lock and Dam 15 near Davenport, 1985	Administrative records Clippings (information artifacts) Correspondence Field notes Tables (documents)	Bird watching Ornithology Ornithology--Societies, etc	1985-12-22	1993-09-03	Rare birds documentation form	Records Committee review for a Iceland Gull near Lock and Dam 15 near Davenport in Scott County, IA on December 22, 1985. Includes record review documents with votes, articles in Illinois Birds and Birding as well as American Birds, correspondence about the bird sighting, and four documentation forms submitted to the committee.	Petersen, Peter C.	Iceland Gull	Lock and Dam 15	Location: Davenport. County: Scott	General: Chanel [sic] of Miss. R., near middle of river when standing. Specific: 1/2 - 3/4 mi. above Lock + Dam 15.	The documentation form by Peter C. Petersen forms the basis of this record. Other documentation forms by Ann Barker, Mary Lou Petersen, and Bill Barker were submitted. Other observers include Steve Dinsmore, Paul Martsching, Pete Wickham, Mark Brogie, Lewis Blevins, Corey Blevins, Brett Ashford, and Dale Dickinson. \| Elimination of similar species: Glaucous Gull eliminated by size, wing extention [sic] well beyond tail. Flight, headshape, all emphasized by direct comparison with Glaucous Gulls. The next afternoon Bill Barker compared this bird to two different sized Glaucous Gulls and it was smaller than the smaller Glaucous Gull. Plumage lighter than Glaucous also. \| The original documentation form event lasted from 11:40:00/12:10:00.	Iowa Ornithologists' Union \| MS 166	11	4
Records Committee review for rare bird sighting of Western Gull east of Lock and Dam 15 near Davenport, 1989	Administrative records Correspondence Field notes	Bird watching Ornithology Ornithology--Societies, etc	1989-12-11	1993-08-06	Rare birds documentation form	Records Committee review for a Western Gull east of Lock and Dam 15 near Davenport in Scott County, IA on December 11, 1989. Includes a record review document with votes, correspondence relevant to bird sighting and review, and three documentation forms submitted to the committee.	Petersen, Peter C.	Western Gull	Lock and Dam 15	On Miss. River chanel [sic] ice between Davenport, Scott Co. IA &+ Rock Isl. Arsenal, RI Co. IL.	On ice covered chanel [sic] of Mississippi - 1/4 - 1/2 mi. upstream (East) of Lock + Dam 15.	The documentation form by Peter C. Petersen forms the basis of this record. Other documentation forms by Brian Blevins and Gerald White were submitted. Another observers includes Lewis Blevins. \| Elimination of similar species: Slaty-backed Gull - Gray mantle merged directly to black tips, trailing white wing edge too narrow, mantle color too dark for g.b. Lesser-Black-bkd Gull - leg color pink, bird too large + heavy Greater Black-bkd. Gull - Bird too small, back not black enough, legs too bright + pink. \| The original documentation form event lasted from 15:30:00/15:35:00 on December 11, 1986, 08:20:00/08:25:00 and 09:00:00/09:15:00 on December 12, 1986.	Iowa Ornithologists' Union \| MS 166	11	7
Records Committee review for rare bird sighting for Lewis's Woodpecker north of Washta, 1992	Administrative records Clippings (information artifacts) Field notes Photographs	Bird watching Ornithology Ornithology--Societies, etc	1992-10-16	1994-10-18	Rare birds documentation form	Records Committee review for a Lewis's Woodpecker north of Washta in Cherokee County, IA on October 16, 1992. Includes a record review document with votes, a photograph, an article in Iowa Bird Life, and four documentation forms submitted to the committee.	Petersen, Peter C.	Lewis's Woodpecker	Washta	2 mi. N. Washta, Cherokee Co. IA.	border of oak grove, pasture edge.	The documentation form by Peter C. Petersen forms the basis of this record. Other documentation forms by Dick Bierman, Thomas H. Kent, and Mark Proescholdt were submitted. Other observers include Cal Knight, Bernie Knight, Dixie Kanago, Beth Proescholdt, Judy Bierman, Jim Huber, Lee Schoenewe, Nancy Schoenewe, Bill Huser, Tim Schantz, Ann Johnson, Eugene Armstrong, Eloise Armstrong, Dick Tetrault, Marion Brewer, Brian Blevins, Kelly McKay, Jerry Probst, Bob Livermore, Wayne Livermore, B.J. Rose, and many unidentified observers. \| Elimination of similar species: Nothing is similar \| The original documentation form event lasted from 11:50:00/12:15:00.	Iowa Ornithologists' Union \| MS 166	12	27
Records Committee review for rare bird sighting for Painted Bunting at Bettendorf, 1987	Administrative records Field notes	Bird watching Ornithology Ornithology--Societies, etc	1987-01-06	1993-09-07	Rare birds documentation form	Records Committee review for a Painted Bunting at Bettendorf in Scott County, IA on January 6, 1987. Includes a record review document with votes and two documentation forms submitted to the committee.	Petersen, Peter C.	Painted Bunting	Bettendorf	1213 Broadlawn, Bettendorf, Scott Co. IA	urban yard near woods	The documentation form by Peter C. Petersen is the earliest and the one that forms the basis of this record. Another documentation form by Ann Barker was submitted later. Other observers include Brian Blevins, Corey Blevins, Betty Hunt, Gil Sandvick, and Leah Levin. \| Elimination of similar species: Nothing is similar in anyway. \| The original documentation form event lasted from 08:00:00/09:15:00.	Iowa Ornithologists' Union \| MS 166	14	5
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 for Great Black-backed Gull east of Lock and Dam 15 in Davenport, 1988	Administrative records Field notes	Bird watching Ornithology Ornithology--Societies, etc	1988-12-18	1993-08-04	Rare birds documentation form	Records Committee review for a Great Black-backed Gull at Lock and Dam 15 in Davenport in Scott County, IA on December 18, 1988. Includes a record review document with votes and two documentation forms submitted to the committee.	Petersen, Peter C.	Great Black-backed Gull	Lock and Dam 15	Missisippi River just E (upstream) of Lock 15 in Davenport	river ice	The documentation form by Peter C. Petersen 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 Mary Lou Petersen, Walter Zuurdeeg, Ann Barker, and Don Moeller. \| Elimination of similar species: Lesser Black-backed Gull - this bird too large, mantle color too dark, legs color was pink, not yellow. \| The original documentation form event lasted from 11:40:00/11:50:00 and 13:00:00/13:05:00.	Iowa Ornithologists' Union \| MS 166	11	8
Records Committee review for rare bird sighting of Ibis Species at Cone Marsh, 1990	Administrative records Field notes	Bird watching Ornithology Ornithology--Societies, etc	1990-04-23	1993-07-17	Rare birds documentation form	Records Committee review of a bird (Ibis species) at Cone Marsh in Louisa Co, IA on April 23, 1990. Includes a record review document with votes and three documentation forms submitted to the committee.	Petersen, Peter C.	Glossy Ibises	Cone Marsh Wildlife Management Area	N.E. Corner of Cone Marsh, Louisa Co., IA	Marsh & Mud Flat, shore areas	The documentation form by Peter C. Petersen is the earliest and the one that forms the basis of this record. Other documentation forms by Carl J. Bendorf and Jim Fuller were submitted later. Other observers include Ken Lowder, Ann Barker, John Daniels, Jim Sieh, Cal Knight, Bernie Knight, Brian Blevins, and Rick Hollis. \| Elimination of similar species: White-faced Ibis, which was present for direct comparison, had a wide white facial border around a reddish-brown facial patch, eye seemed red but distance was a bit far to be positive, legs were uniformly reddish brown, bill darker and more reddish & bird seemed a bit smaller. \| The original documentation form event lasted from 08:30:00/09:40:00.	Iowa Ornithologists' Union \| MS 166	7	21
Records Committee review for rare bird sighting of Anhinga at Oto, 1995	Administrative records Field notes	Bird watching Ornithology Ornithology--Societies, etc	1995-05-21	2000-11-20	Rare birds documentation form	Records Committee review for an Anhinga at Oto in Woodbury County, IA on May 21, 1995. Includes a record review document with votes and a documentation forms submitted to the committee.	Petersen, Peter C.	Anhinga	Oto	1/2 mi. S.E. Oto, IA - Woodbury,Co.	small pond along river floodplain	The documentation form by Peter C. Petersen is the earliest and the one that forms the basis of this record. Other observers include Mary Lou Petersen and Jim Sinclair. \| Elimination of similar species: Cormorant - smaller, shorter neck, hooked bill, shorter tail, plumage either brownish or black, no neck upper chest brown only pattern in any plumage. African Darter shows brown in wing in all plumages. \| The original documentation form event lasted from 12:05:00/12:15:00.	Iowa Ornithologists' Union \| MS 166	7	14
Rare bird documentation form for Pine Warbler at Davenport, 1985	Field notes	Birds--Identification Ornithology Rare birds	1985-09-06	N/A	Rare birds documentation form	Rare bird documentation form for a Pine Warbler at Davenport in Scott County, IA on September 6, 1985.	Petersen, Peter C.	Pine Warbler	Davenport	235 McClellan Blvd. Dav. IA. County: Scott	General: very wooded urban yard. Specific: Bird observed in Magnolia tree, ash sapling + bird bath.	The documentation form by Peter C. Petersen is the only one submitted and forms the basis of this record. \| Elimination of similar species: Bay-br. Warbler - back would be streaked, less yellow on head + throat, bay unshown [sic] side (one seen at 9:40) in bath [arrow to Bay-br. Warbler] Blackpoll Warbler - back would be streaked, legs yellowish. \| The original documentation form event lasted from 09:15:00/09:18:00.	Iowa Ornithologists' Union \| MS 166	35	29
Records Committee review for rare bird sighting for Western Wood-Pewee at Huron Island, 1989	Administrative records Field notes	Bird watching Ornithology Ornithology--Societies, etc	1989-08-10	1993-08-06	Rare birds documentation form	Records Committee review for a Western Wood-Pewee at Huron Island in Des Moines County, IA on August 10, 1989. Includes a record review document with votes and a documentation form submitted to the committee.	Petersen, Peter C.	Western Wood-Pewee	Huron Island	Huron Island, Des Moines Co. IA	Bottomland Forest Clearing	The documentation form by Peter C. Petersen is the only one submitted and forms the basis of this record. \| Elimination of similar species: Eastern Wood-Pewee looks almost exactly like the Western, but the Western seemed a bit darker on the sides. The call of the Eastern is a clear whistle, totally different from this call. I spent an extra five minutes in an attempt to hear a second call from the Western but it flew away and did not call again. \| The original documentation form event lasted from 07:55:00/08:00:00.	Iowa Ornithologists' Union \| MS 166	12	31
Records Committee review for rare bird sighting for Iceland Gull at Lock and Dam 15 near Davenport, 1990	Administrative records Field notes	Bird watching Ornithology Ornithology--Societies, etc	1990-03-09	1993-07-17	Rare birds documentation form	Records Committee review for an Iceland Gull at Lock and Dam 15 near Davenport in Scott County, IA on March 9, 1990. Includes a record review document with votes and a documentation form submitted to the committee.	Petersen, Peter C.	Iceland Gull	Lock and Dam 15	Lock 15 - just upstream - R.I. Co. Il. + Scott Co. IA.	Ice cake floating on Miss. R. - along shore just upstream from lock - urban area around River.	The documentation form by Peter C. Petersen is the only one submitted and forms the basis of this record. \| Elimination of similar species: Glaucous Gull - bird was too small, bill entirely black. Thayer's Gull - uniform color on entire wing. \| The original documentation form event lasted from 11:00:00/11:10:00.	Iowa Ornithologists' Union \| MS 166	11	4
Rare bird documentation form for Lesser Black-backed Gull at Mississippi River between Bettendorf, IA and Moline, IL, 1992	Field notes	Birds--Identification Ornithology Rare birds	1992-01-11	N/A	Rare birds documentation form	Rare bird documentation form for a Lesser Black-backed Gull at Mississippi River between Bettendorf in Scott County, IA and Moline in Rock Island County, IL on January 11, 1992.	Petersen, Peter C.	Lesser Black-backed Gull	Bettendorf Moline	Miss. R. between Bettendorf + Moline, Scott + R.I. Cos.	river channel	The documentation form by Peter C. Petersen is the only one submitted and forms the basis of this record. \| Elimination of similar species: Great Black-backed - back not black, too small. Slaty-backed - a bit small, trailing edge of wing with narrow, not wide, white edge. Western - a bit small bill not larger + heavier than the several nearby Herrings. \| The original documentation form event lasted from 08:50:00/09:00:00.	Iowa Ornithologists' Union \| MS 166	34	36
Records Committee review for rare bird sighting of Slaty-backed Gull near Lindsay Park, 1992	Administrative records Field notes	Bird watching Ornithology Ornithology--Societies, etc	1992-02-06	1994-10-18	Rare birds documentation form	Records Committee review for a Slaty-backed Gull near Lindsay Park in Davenport in Scott County, IA on February 6, 1992. Includes a record review document with votes and a documentation form submitted to the committee.	Petersen, Peter C.	Slaty-backed Gull	Lindsay Park	Lindsay Park Boat Club, Davenport, Scott Co., IA + Rock Isl. along Miss. R.	Ice flow, Iowa side of Miss. River - flew toward Il. when flushed.	The documentation form by Peter C. Petersen is the only one submitted and forms the basis of this record. \| Elimination of similar species: Lesser Black-backed Gull - legs not yellow too large, wide trailing edge on wing, white between tips of primaries + mantle. Greater Black-backed Gull - too small, mantle not black. Western Gull- \| The original documentation form event lasted from 09:35:00/09:45:00.	Iowa Ornithologists' Union \| MS 166	11	6
Records Committee review for rare bird sighting of Mew Gull at Fairport Fish Hatchery, 1995	Administrative records Correspondence Field notes	Bird watching Ornithology Ornithology--Societies, etc	1995-09-08	2000-11-20	Rare birds documentation form	Records Committee review of a Mew Gull at Fairport Fish Hatchery in Muscatine County, IA on September 8, 1995. Includes a record review document with votes, correspondence from Peter Petersen to Thomas H. Kent, and a documentation form submitted to the committee.	Petersen, Peter C.	Mew Gull	Fairport State Fish Hatchery	Fairport Fish Hatchery, Muscatine Co. IA	Fish rearing ponds + adj. Miss. River	The documentation form by Peter C. Petersen is the only one submitted and forms the basis of this record. \| Elimination of similar species: Ring-billed Gull- much more black on primary tips, black ring on yellow bill \| The original documentation form event lasted from 08:05:00/08:10:00.	Iowa Ornithologists' Union \| MS 166	10	23
Records Committee review for rare bird sighting for Hoary Redpoll at Davenport, 1978	Administrative records Clippings (information artifacts) Field notes	Bird watching Ornithology Ornithology--Societies, etc	1978-02-12	1993-08-26	Rare birds documentation form	Records Committee review for a Hoary Redpoll at Davenport in Scott County, IA on February 12, 1978. Includes a record review document with votes, three articles in Iowa Bird Life, and a documentation form submitted to the committee.	Petersen, Peter C.	Hoary Redpoll	Davenport	235 McClellen Blvd. Dav. 53803 - feeder	oak forest now established residential area wooded hill, much underbrush below thistle feeder	The documentation form by Peter C. Petersen is the only one submitted and forms the basis of this record. \| Elimination of similar species: see number 6. \| The original documentation form event lasted from 07:30:00/07:40:00.	Iowa Ornithologists' Union \| MS 166	14	16
Records Committee review for rare bird sighting for Fish Crow southwest of Oakville, 1996	Administrative records Field notes	Bird watching Ornithology Ornithology--Societies, etc	1996-05-11	2000-11-22	Rare birds documentation form	Records Committee review for a Fish Crow southwest of Oakville in Louisa County, IA on May 11, 1996. Includes a record review document with votes and a documentation form submitted to the committee.	Petersen, Peter C.	Fish Crow	Oakville	1/2 mi SW Oakville, Louisa Co, IA	Bottomland Forest along Iowa River	The documentation form by Peter C. Petersen is the only one submitted and forms the basis of this record. Another observer was Brian Blevins. \| Elimination of similar species: Am. Crow - larger, different call, flight stronger. Due to late season no Am. Crows have fledged. \| The original documentation form event lasted from 10:30:00/10:31:00.	Iowa Ornithologists' Union \| MS 166	12	46
Records Committee review for rare bird sighting of White-tailed Kite at Otter Creek Marsh, 1989	Administrative records Clippings (information artifacts) Field notes Forms (documents) Maps (documents)	Bird watching Ornithology Ornithology--Societies, etc	1989-09-18	1996-04-24	Rare birds documentation form	Records Committee review for a White-tailed Kite at Otter Creek Marsh in Tama County, IA on September 18, 1989. Includes a record review document with votes, a request for reconsideration, map, an article in Iowa Bird Life, and a documentation form submitted to the committee. Within the original documentation, the bird is identified as a Black-shouldered Kite.	Petersen, Peter C.	White-tailed Kite	Otter Creek Marsh State Wildlife Refuge	S.E. corner Otter Creek marsh, near Chelsea, Ia.	rather dry marsh, some wooded margins	The documentation form by Peter C. Petersen is the only one submitted and forms the basis of this record. Another observer was Brian Blevins. \| Elimination of similar species: The only similar raptor would be an Osprey which is much larger, has a black mask, elbow with large black area, mottled gray underwing and on tail and dark on upper surface of wing. Gulls are closer, but wings with dark area at tips of wings on top side, shorter tail, different flight, not pursued by small birds. \| The original documentation form event lasted from 09:30:00/09:35:00.	Iowa Ornithologists' Union \| MS 166	8	25
Records Committee review for rare bird sighting for Northern Oriole at Davenport, 1987	Administrative records Field notes	Bird watching Ornithology Ornithology--Societies, etc	1987-12-13	1993-09-07	Rare birds documentation form	Records Committee review for a Baltimore Oriole at Davenport in Scott County, IA on December 13, 1987. Includes a record review document with votes and a documentation form submitted to the committee.	Petersen, Peter C.	Baltimore Oriole	Davenport	1019 W. Rusholm St. Davenport, IA	backyard feeder in spruce tree	The documentation form by Peter C. Petersen is the only one submitted and forms the basis of this record. Another observer was Edith Kadlec. \| Elimination of similar species: about 2 1/2" longer than nearby House Sparrows. \| The original documentation form event lasted from 07:55:00/08:00:00.	Iowa Ornithologists' Union \| MS 166	14	10
Records Committee review for rare bird sighting for House Finch at Davenport, 1983	Administrative records Field notes	Bird watching Ornithology Ornithology--Societies, etc	1983-05-01	1993-09-01	Rare birds documentation form	Records Committee review for a House Finch at Davenport in Scott County, IA on May 1, 1983. Includes a record review document with votes and a documentation form submitted to the committee.	Petersen, Peter C.	House Finch	Davenport	235 McClellan Blvd. Davenport, IA 52803	wooded urban yard - at feeder	The documentation form by Peter C. Petersen is the only one submitted and forms the basis of this record. Another observer was Mary Lou Petersen. \| Elimination of similar species: Purple Finch - red different shade none on back and streaked sides on this bird. \| The original documentation form event lasted from 16:14:00/16:16:00.	Iowa Ornithologists' Union \| MS 166	14	15
Records Committee review for rare bird sighting of Lesser Black-backed Gull at Elk Rock State Park, 1986	Administrative records Field notes	Bird watching Ornithology Ornithology--Societies, etc	1986-12-03	1993-09-07	Rare birds documentation form	Records Committee review for a Lesser Black-backed Gull at Elk Rock State Park in Marion County, IA on December 3, 1986. Includes a record review document with votes and a documentation form submitted to the committee.	Petersen, Peter C.	Lesser Black-backed Gull	Elk Rock State Park	[...] resting on mud bar just w. of old Hwy 14 a long north edge of reservoir.		The documentation form by Peter C. Petersen is the only one submitted and forms the basis of this record. Gil Sandvick was another observer. \| Elimination of similar species: [...] Bird slightly smaller than nearby adult Herring Gull, larger than Ring-billed Gulls surrounding it. head white with tan flecking back + mantle slaty grey, much darker than Herring Gull. \| The original documentation form event lasted from 14:45:00/14:50:00.	Iowa Ornithologists' Union \| MS 166	11	5
Records Committee review for rare bird sighting of Western Gull near Ben Butterworth Parkway, 1991	Administrative records Clippings (information artifacts) Field notes Charts (graphic documents)	Bird watching Ornithology Ornithology--Societies, etc	1991-01-15	1993-07-17	Rare birds documentation form	Records Committee review for a Western Gull near Ben Butterworth Parkway in Rock Island County, IL on January 15, 1991. Includes a record review document with votes, comparisons of different gull observations, an article in Iowa Bird Life, and a documentation form submitted to the committee.	Petersen, Peter C.	Western Gull	Ben Butterworth Parkway	Butterworth Parkway, Moline, Rock Isl. Co, IL	Ice on Mississippi River	The documentation form by Peter C. Petersen is the only one submitted and forms the basis of this record. Other observers include Ann Barker, Brian Blevins, and Eugene Armstrong. \| Elimination of similar species: Great Black-backed Gull - this bird much too small Lesser Black-backed Gull - Too heavily built, tail band very broad, no yellowish colour on legs. Slaty-backed Gull - The biggest problem - I felt this bird was not dark mantled enough was too heavily bodied + too much of a domed forehead. \| The original documentation form event lasted from 09:35:00/09:45:00, 10:35:00/11:00:00, 12:40:00/12:52:00 on January 15, 1991 and 09:25:00/09:35:00 on January 16, 1991.	Iowa Ornithologists' Union \| MS 166	11	7
Rare bird documentation form for Lesser Black-backed Gull on the Mississippi River between Bettendorf, IA and Moline, IL, 1992	Field notes	Birds--Identification Ornithology Rare birds	1992-02-02	N/A	Rare birds documentation form	Rare bird documentation form for a Lesser Black-backed Gull on the Mississippi River between Bettendorf in Scott County, IA and Moline in Rock Island County, IL on February 2, 1992.	Petersen, Peter C.	Lesser Black-backed Gull	Bettendorf Moline	Miss. River between Bettendorf, Scott Co., IA + Moline, R.I. Co., IL.	Main channel of Miss. River	The documentation form by Peter C. Petersen is the only one submitted and forms the basis of this record. Other observers include Ann Johnson and Gerald White. \| Elimination of similar species: Great-Black-backed- seen with one, much smaller, mantle not black. Slaty-backed. This bird smaller than Herrings, legs were yellow. \| The original documentation form event lasted from 13:30:00/13:35:00.	Iowa Ornithologists' Union \| MS 166	34	36