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 Prairie Falcon at Union Slough National Wildlife Refuge, 1993	Field notes	Birds--Identification Ornithology Rare birds	1993-10-29	1993-10-31	Rare birds documentation form	Rare bird documentation form for a Prairie Falcon at Union Slough National Wildlife Refuge in Kossuth County, IA on October 29, 1993.	Kent, Thomas H. (Thomas Hugh), 1934-	Prairie Falcon	Union Slough National Wildlife Refuge	Union Slough N.W.R., Kossuth Co., IA	long narrow slough	The documentation form by Thomas H. Kent is the only one submitted and forms the basis of this record. \| Elimination of similar species: The underwing markings and apparent light coloration argue against Peregrine Falcon. The date and location are appropriate for Prairie Falcon in Iowa. \| The original documentation form event lasted from 16:50:00/17:00:00.	Iowa Ornithologists' Union \| MS 166	33	35
Rare bird documentation form for Peregrine Falcon at Dunbar Slough, 1980	Field notes	Birds--Identification Ornithology--Societies, etc Rare birds	1980-09-21	1980-09-24	Rare birds documentation form	Rare bird documentation form for a Peregrine Falcon at Dunbar Slough in Greene County, IA on September 21, 1980.	Kent, Thomas H. (Thomas Hugh), 1934-	Peregrine Falcon	Dunbar Slough	Dunbar Slough, Greene Co Iowa	long narrow marsh with a few trees at edge. Dunbar S.	The documentation form by Thomas H. Kent is the only one submitted and forms the basis of this record. Other observers include Mike Newlon, Carol S. Newlon, and Tom Shires. \| Elimination of similar species: Shaped definitely that of falcon. Size and flight different from Merlin. Face mark heavier than Prairie Falcon. \| The original documentation form event lasted from 07:10:00/07:15:00 approximately.	Iowa Ornithologists' Union \| MS 166	33	34
Records Committee review for rare bird sighting of Ruff at Hendrickson Marsh, 1984	Administrative records Clippings (information artifacts) Field notes	Bird watching Ornithology Ornithology--Societies, etc	1984-09-01	1993-09-01	Rare birds documentation form	Records Committee review for a Ruff at Hendrickson Marsh in Story County, IA on September 1, 1984. Includes a record review document with votes, an Iowa Bird Life article, and three documentation forms submitted to the committee.	Proescholdt, Mark	Ruff	Hendrickson Marsh Lake	Hendrickson's Marsh, Story Co.	Long area of exposed mud flats along edge of water	The documentation form by Mark Proescholdt is the earliest and the one that forms the basis of this record. Other documentation forms by Beth Proescholdt, and Paul Martsching were submitted later. \| Elimination of similar species: I thought possibly a Willet at first from its large size and having a straight bill. It was not gray but a deep, rich brownish color. When flushed, it did not have the striking black-and-white wing pattern. \| The original documentation form event lasted from 12:00:00/15:00:00 and 19:00:00/20:00:00 for about ten minutes total.	Iowa Ornithologists' Union \| MS 166	10	9
Rare bird documentation form for Bewick's Wren at Waubonsie State Park, 1984	Field notes	Birds--Identification Birdsongs Ornithology Rare birds	1984-05-24	N/A	Rare birds documentation form	Rare bird documentation form for a Bewick's Wren at Waubonsie State Park in Fremont County, IA on May 24, 1984.	Bray, Tanya	Bewick's Wren	Waubonsie State Park	Waubonsie State Park Fremont County, Iowa	Loess Hills Oak-Hickory Forest The wren was seen in a narrow strip of woodland bordered on one side by the park road, on another side by an open and mowed picnic area, and backed by an area of low shrubby tangles. Across the road was a deep, wooded ravine	The documentation form by Tanya Bray is the only one submitted and forms the basis of this record. Other observers include B.J. Rose and Babs Padelford. \| Elimination of similar species: [...] Nearly size of Carolina Wren, but with a slimmer more elongated 'look'. \| The original documentation form event occurred around 09:30:00.	Iowa Ornithologists' Union \| MS 166	35	1
Records Committee review for rare bird sighting of Ferruginous Hawk at Hichcock Nature Area, 1999	Administrative records Field notes	Bird watching Ornithology Ornithology--Societies, etc	1999-12-05	2000-11-28	Rare birds documentation form	Records Committee review of a Ferruginous Hawk at Hitchcock Nature Area in Pottawattamie County, IA on December 5, 1999. Includes a record review document with votes and a documentation form submitted to the committee.	Orsag, Mark	Ferruginous Hawk	Hitchcock Nature Area	Hitchcock Nature Area (Lodge Hawkwatch Point)	Loess Hills / Missouri River Valley. The bird was coming from out of the valley. It crossed the wooded ridges of HNA and headed southeast.	The documentation form by Mark Orsag is the earliest and the one that forms the basis of this record. \| Elimination of similar species: I considered 5 other species of raptor in total. I eliminated two possibilities (Rough-legged Hawk and Northern Harrier) within seconds of seeing the bird in question. I eliminated two others (Bald Eagle [imm.], and Red-tailed Hawk more or less during the minute or so that I had the bird in view. ** I reviewed, in my head, the fine points of the Krider's Red-tailed Hawk for a few seconds after the bird had disappeared from view. The fifth species came to mind just before I started writing this report (the next day). I retroactively eliminated it. In reconstructing my reasoning, I believe: Rough-leg was eliminated due to the unmarked white throat, breast, underwings, and underside. Northern Harrier was eliminated due [sic] the large size and robust shape of the bird, the flight pattern (especially wingbeat), the unstreaked white throat, etc. Immature Swainson's Hawk later eliminated by dark head, white wing patches on primaries, lack of dark flight feathers on underwing, unlikelihood of December sighting. Bald Eagle immature- (whitebelly I-II) was eliminated by the downpushing wingbeat, the colors of the bird's dorsal surface, the lack of a contrast on the dorsal surface between the brown-gray forward part of the wing and the darker flight feathers (a little known good fieldmark for Immature BE), and the confining of the white coloration to the primaries, etc. Red-tailed Hawk-This species, in light of its similar (but smaller) size and variable plumages, posed the greatest problems. The dark upper surface, dark head, pointed wings, and pattern of flight (dihedral in glide posture), as well as the distinct and identical nature of the white markings on the upperwings and the lack of patagial marks, "commas", or other dark markings on the underside, were considered in total and used to rule out the immature light-morph Red-tail and, on reflection, a partial albino Red-tail. Krider's Red-tailed Hawk was the toughest to rule out. Here are my reasons: 1. Krider's heads appear white/light in contrast to the darker (gray or brown) color of the back. This bird's head was not lighter in color (on top) than the back. Back coloring was too dark (brown-reddish) for Krider's-no white mottling seen. Wings were pointed not rounded. No 'headlight' fieldmark [sic] was seen and the 'points of light' fieldmark [sic] was. Dihedral in glide unusual but not impossible for a Red-tail, but the wingbeat (fluid and downpushing rather than centered on the downstroke at the wrist) did not look like a Red-tailed's. \| The original documentation form event lasted from 09:00:00/09:01:00.	Iowa Ornithologists' Union \| MS 166	9	1
Records Committee review for rare bird sighting for Black-billed Magpie at Loess Hills in northwest Plymouth County, 1998	Administrative records Field notes	Bird watching Ornithology Ornithology--Societies, etc	1998-01-24	2000-11-24	Rare birds documentation form	Records Committee review for three Black-billed Magpies at Loess Hills in northwest Plymouth County, IA on January 24, 1998. Includes a record review document with votes and a documentation form submitted to the committee.	Smith, Brian L.	Black-billed Magpie	Plymouth County	Northwest Plymouth County	Loess Hills (prairie)	The documentation form by Brian L. Smith is the only one submitted and forms the basis of this record. Another observer was Mike Martin. \| Elimination of similar species: nothing similar w/ long tail + white wing patches.	Iowa Ornithologists' Union \| MS 166	12	45
Rare bird documentation form for Bonaparte's Gull at the Mississippi River at Keokuk, 1987	Field notes	Birds--Identification Ornithology Rare birds	1987-12-31	1988-01-14	Rare birds documentation form	Rare bird documentation form for a Bonaparte's Gull at the Mississippi River at Keokuk in Lee County, IA on December 31, 1987.	Cecil, Robert I.	Bonaparte's Gull	Keokuk	Miss. River at Keokuk, Lee County, Iowa	Lock and Dam 19 Tailwaters	The documentation form by Robert Cecil is the only one submitted and forms the basis of this record. \| Elimination of similar species: Common Black-headed has dark underwings. I would have noticed this. \| The original documentation form event lasted from 14:05:00/14:10:00.	Iowa Ornithologists' Union \| MS 166	34	33
Rare bird documentation form for Golden Eagle north of Cherokee, 1989	Field notes	Birds--Identification Ornithology Rare birds	1989-10-28	N/A	Rare birds documentation form	Rare bird documentation form for a Golden Eagle one mile north of Cherokee in Cherokee County, IA on October 28, 1989.	Bierman, Dick	Golden Eagle	Cherokee	1 mile north of Cherokee, Cherokee County	Little Sioux River Valley. Hilly, woods, pastures	The documentation form by Dick Bierman is the only one submitted and forms the basis of this record. Other observers include Jim Quinn. \| Elimination of similar species: Bald Eagle - an immature bald eagle has some white feathers on the body & wings. This bird was all dark except for the above mentioned places. Dark Phase Rough Leg: This bird was much larger and chunkier. \| The original documentation form event lasted from 10:45:00/11:00:00.	Iowa Ornithologists' Union \| MS 166	33	31
Rare bird documentation form for Prairie Falcon south of Cherokee, 1992	Field notes	Birds--Identification Ornithology Rare birds	1992-09-19	N/A	Rare birds documentation form	Rare bird documentation form for a Prairie Falcon south of Cherokee in Cherokee County, IA on September 19, 1992.	Bierman, Dick	Prairie Falcon	Cherokee	6 miles South of Cherokee, Cherokee County	Little Sioux River Valley Timbered hillsides & pastures	The documentation form by Dick Bierman is the only one submitted and forms the basis of this record. Other observers include Sy Runkel and Brian Fulton. \| Elimination of similar species: Peregrine Falcon is much darker on the back. Swainson's Hawk is buteo shaped. I've seen thousands and monitored nests. Merlin is smaller. \| The original documentation form event lasted from 14:30:00/14:34:00.	Iowa Ornithologists' Union \| MS 166	33	35
Rare bird documentation form for Golden Eagle at Allamakee County, 1982	Field notes	Birds--Identification Ornithology Rare birds	1982-11-21	1982-11-23	Rare birds documentation form	Rare bird documentation form for two Golden Eagles on County Road A26 in Allamakee County, IA on November 21, 1982.	Moore, Francis L.	Golden Eagle	Allamakee County	County Road A26 in Allamakee County, Iowa	Limestone bluffs near upper Mississippi River in Iowa	The documentation form by Francis L. Moore is the only one submitted and forms the basis of this record. Other observers include Bob Myers, Joe Schaufenbuel, John Robinson, Peter Petersen, Hank Zaletel, and many other observers. \| Elimination of similar species: Immature Bald Eagle has a more massive looking bill and are more mottled with white or light colored areas on the upper and lower surfaces of the wings. These birds did not have this characteristic.	Iowa Ornithologists' Union \| MS 166	33	31
Rare bird documentation form for Golden Eagle at Allamakee County, 1981	Field notes	Birds--Identification Ornithology Rare birds	1981-11-14	1981-11-15	Rare birds documentation form	Rare bird documentation form for two Golden Eagles along county road A26 in Allamakee County, IA on November 14, 1981.	Moore, Francis L.	Golden Eagle	Allamakee County	Along county road A26 in Allamakee County	Limestone bluffs and hills topped with hardwood and conifer trees	The documentation form by Francis L. Moore is the only one submitted and forms the basis of this record. Other observers include Bob Myers and Darwin Koenig. \| Elimination of similar species: Bald Eagle as described above. The bird was not mottled in appearance as an immature Bald Eagle would be but was a rather uniform dark brown overall except for the white in the upper retrices and wing linings which was noted before. As we watched the bird through our binoculars and a 20x telescope another large bird appeared from the East and this too was another Eagle. The second bird was an overall dark brown except for a very small amount of white to whitish color at the base of the retrices. This bird had a lighter brown color to the back of the head and on the nape. There was no mottled effect as would be shown in an immature Bald Eagle. \| The original documentation form event lasted from 10:00:00/10:30:00 approximately.	Iowa Ornithologists' Union \| MS 166	33	31
Records Committee review for rare bird sighting for Golden-crowned Sparrow east of Little Wall Lake, 1995	Administrative records Clippings (information artifacts) Correspondence Field notes Photographs	Bird watching Ornithology Ornithology--Societies, etc	1995-05-04	2000-11-20	Rare birds documentation form	Records Committee review for at least three Golden-crowned Sparrows east of Little Wall Lake in Hamilton County, IA on May 4, 1995. Includes a record review document with votes, two photographs, an article in Iowa Bird Life, correspondence about the sighting and documentation, and a documentation form submitted to the committee.	Wilcox, Dorothy	Golden-crowned Sparrow	Little Wall Lake	At platform feeder and on the ground	Lg. oak trees, shrubs (Rural)	The documentation form by Dorothy Wilcox is the only one submitted and forms the basis of this record. Other observers include family and friends. \| Elimination of similar species: white crowned and white throat, definite difference in eye line and crown. \| The original documentation form event lasted from approximately 11:00:00/17:00:00.	Iowa Ornithologists' Union \| MS 166	13	40
Rare bird documentation form for Common Flicker hybrid at Iowa City, 1975	Field notes	Birds--Identification Ornithology Rare birds	1975-11-01	1975-11-20	Rare birds documentation form	Rare bird documentation form for a Common Flicker hybrid at Iowa CIty in Johnson County, IA on November 1, 1975.	Newlon, Michael C.	Northern Flicker	Iowa City	Iowa City IA	lawn with many large hickory trees, in Hickory Hill Park, Iowa City - park contains second growth woods, pastures, brush old fields surrounded on 3 sides by residential areas, farmland on the other side.	The documentation form by Michael C. Newlon is the only one submitted and forms the basis of this record. \| Elimination of similar species: local 'yellow-shafted' has (1) yellow linings to wing + tail, (2) yellow shafts to primaries -> rectrices, (3) black mustache-mark, (4) brown face + grey crown. \| The original documentation form event lasted from approximately 10:00:00/10:15:00.	Iowa Ornithologists' Union \| MS 166	34	61
Records Committee review for rare bird sighting for Smith's Longspur north of Red Oak, 1983	Administrative records Field notes	Bird watching Ornithology Ornithology--Societies, etc	1983-03-18	1993-09-01	Rare birds documentation form	Record Committee review for approximately thirty Smith's Longspurs north of Red Oak in Montgomery County, IA on March 18, 1983. Includes a record review document with votes and three documentation forms submitted to the committee.	Myers, Robert K.	Smith's Longspur	Red Oak	4 mi. north of Red Oak - Montgomery Co.	last years hay field - on hill top - very rolling country	The documentation form by Robert K. Myers forms the basis of this record. Other documentation forms by Barbara L. WIlson and Tanya Bray were submitted. Other observers include Ross Silcock, Betsy Myers, B.J. Rose, Melba Wigg, Babs Padelford, Jim Kovanda, John Upchurch, Ruth Green, Sandy Kovanda and many unidentified observers from Omaha. \| Elimination of similar species: I really can't think what looks similar to Smith's in adult breeding plumage. \| The original documentation form event lasted from 10:00:00/10:30:00 on March 18, 1983 and several other times on March 18 and 19, 1983.	Iowa Ornithologists' Union \| MS 166	13	42
Rare bird documentation form for White-winged Scoter at Saylorville Dam, 1982	Field notes	Birds--Identification Ornithology--Societies, etc Rare birds	1982-11-15	1982-11-22	Rare birds documentation form	Rare bird documentation form for two White-winged Scoters at Saylorville Dam in Polk County, IA on November 15, 1982.	Schaufenbuel, Joseph P.	White-winged Scoter	Saylorville Dam	Saylorville Dam, Polk Co., Iowa	Larger Reservoir, surrounded by wooded hills.	The documentation form by Joseph P. Schaufenbuel is the only one submitted and forms the basis of this record. \| Elimination of similar species: The uniform dark brown, with white eye and orange bill separates the birds from other two scoters. \| The original documentation form event lasted from 11:00:00/13:20:00.	Iowa Ornithologists' Union \| MS 166	33	12
Records Committee review for rare bird sighting of Ferruginous Hawk at Otter Creek Marsh, 1984	Administrative records Clippings (information artifacts) Field notes	Bird watching Ornithology Ornithology--Societies, etc	1984-12-23	1993-09-01	Rare birds documentation form	Records Committee review of a Ferruginous Hawk at Otter Creek Marsh in Tama County, IA on December 23, 1984. Includes a record review document with votes, an article from Iowa Bird Life, and a documentation form submitted to the committee.	Kent, Thomas H. (Thomas Hugh), 1934-	Ferruginous Hawk	Otter Creek Marsh State Wildlife Refuge	Otter Creek M., Tama Co., Iowa	large, wide riverbottom marsh with scattered woods.	The documentation form by Thomas H. Kent is the only one submitted and forms the basis of this record. \| Elimination of similar species: According to Eckert, the upper wing patches are diagnostic if the location is right. He gives the following example as an acceptable documentation: 'On the upper surface of each wing there was a rectangular or oval white patch on the flight feathers. This patch was on the inner primaries, and perhaps faded a bit into the secondaries and outer primaries.' This description fits the bird I saw. Eckert gives two other diagnostic marks that I did not see (feathered legs, rufous back and shoulders), but only one of these three marks is needed. The white tail is not diagnostic, but coupled with the light underparts and generally dark upper wing surface, tends to exclude Krider's and Harlan's Hawks which would have light upper wings and dark underparts, respectively. An ordinary Red-tailed Hawk would not ordinarily have an all white-tail nor such prominent upper wing patches. The raised wings in flight in the absence of wind favor Ferruginous Hawk over Red-tailed and Rough-legged Hawks. Rough-legged Hawk is excluded by the lack of prominent black and white pattern to body, wing and tail. \| The original documentation form event lasted from 14:45:00/14:57:00.	Iowa Ornithologists' Union \| MS 166	9	1
Rare bird documentation form for White-winged Scoter at Lake Anita State Park in 1981	Field notes	Birds--Identification Ornithology--Societies, etc Rare birds	1981-11-06	1981-11-20	Rare birds documentation form	Rare bird documentation form for four White-winged Scoters at Lake Anita State Park in Cass County, IA on November 6, 1981.	Hensley, R. Craig	White-winged Scoter	Lake Anita State Park	Lake Anita State Park, one mile south of Anita, Iowa	Large, open lake	The documentation form by R. Craig Hensley is the only one submitted and forms the basis of this record. \| Elimination of similar species: The surf scoter and black scoter are similar. However, the specimans [sic] that I observed had the white wing patch that these two species do not have. In addition, two of the birds seen had white about their eyes, as neither of the other two have. \| The original documentation form event lasted from 08:20:00/08:45:00.	Iowa Ornithologists' Union \| MS 166	33	12
Rare bird documentation form for Eared Grebe at Lake Anita State Park, 1981	Field notes Forms (documents)	Birds--Identification Ornithology Rare birds	1981-11-06	1981-11-30	Rare birds documentation form	Rare bird documentation form for three Eared Grebes at Lake Anita State Park in Anita in Cass County, IA on November 6, 1981.	Hensley, R. Craig	Eared Grebe	Lake Anita State Park	Lake Anita State Park, located one(1) mile south of Anita	Large, open lake	The documentation form by R. Craig Hensley is the only one submitted and forms the basis of this record. \| Elimination of similar species: The pied-billed grebe is the only other relative that is commonly encountered in Cass County. This species was ruled out due to body size and proportions and the different beak. \| The original documentation form event lasted from 08:10:00/09:00:00.	Iowa Ornithologists' Union \| MS 166	32	14
Records Committee review for rare bird sighting of Great Black-backed Gull at Saylorville Reservoir, 1987	Administrative records Field notes	Bird watching Ornithology Ornithology--Societies, etc	1987-04-30	1993-09-07	Rare birds documentation form	Records Committee review for a Great Black-backed Gull at Saylorville Reservoir in Polk County, IA on April 30, 1987. Includes a record review document with votes and a documentation form submitted to the committee.	Myers, Robert K.	Great Black-backed Gull	Saylorville Lake	Saylorville Reservoir - Polk Co.	Large, man-made lake - sandy beaches	The documentation form by Robert K. Myers is the only one submitted and forms the basis of this record. Other observers include Eugene Armstrong and Eloise Armstrong. \| Elimination of similar species: The gull was too big and had too large of a bill for herring gull. The checkered back + very contrasty head + upper breast with lower are not consistent with herring. Basically size of bird + its bill eliminated most everything. \| The original documentation form event lasted from 18:30:00/18:45:00.	Iowa Ornithologists' Union \| MS 166	10	21
Rare bird documentation form for Black-legged Kittiwake at Saylorville Reservoir, 1987	Field notes	Birds--Identification Ornithology Rare birds	1987-10-28	1987-10-29	Rare birds documentation form	Rare bird documentation form for a Black-legged Kittiwake at Saylorville Reservoir in Polk County, IA on October 28, 1987.	Myers, Robert K.	Black-legged Kittiwake	Saylorville Lake	Saylorville Reservoir (Polk Co.) - from Jester Park	Large, man-made lake	The documentation form by Robert K. Myers is the only one submitted and forms the basis of this record. Other observers include Steve Dinsmore. \| Elimination of similar species: The dark bar on nape of neck would eliminate imm. Bonaparte's Gull. (and Little + Ross' for that matter) \| The original documentation form event lasted from 07:45:00/07:46:00.	Iowa Ornithologists' Union \| MS 166	34	40
Rare bird documentation form for Glaucous Gull at Lake Manawa, 1978	Field notes	Birds--Identification Ornithology Rare birds	1978-12-06	N/A	Rare birds documentation form	Rare bird documentation form for a Glaucous Gull at Lake Manawa in Pottawattamie County, IA on December 6, 1978.	Bray, Tanya Kovanda, Sandra Padelford, Babs	Glaucous Gull	Lake Manawa State Park	Lake Manawa, Iowa	Large, fresh water lake - 3/4 frozen	The documentation form by Tanya Bray, Sandy Kovanda, and Babs Padelford is the only one submitted and forms the basis of this record. Other observers include Rushton G. Cortelyou. \| Elimination of similar species: All of us are familiar with herring gulls. The large size, white plumage, and absence of black on wing tips eliminated this species. \| The original documentation form event lasted from 10:30:00/11:00:00.	Iowa Ornithologists' Union \| MS 166	34	37
Records Committee review for rare bird sighting of Red-throated Loon at Red Rock Reservoir, 1992	Administrative records Clippings (information artifacts) Field notes	Bird watching Ornithology Ornithology--Societies, etc	1992-11-07	1994-10-18	Rare birds documentation form	Records Committee review for a Red-throated Loon at Red Rock Reservoir, Marion County, IA on November 7, 1992. Includes a record review document with votes, an Iowa Bird Life article, and five documentation forms submitted to the committee.	Proescholdt, Mark	Red-throated Loon	Roberts Creek Park	Red Rock Reservoir - Roberts Creek area - (Marion Co.)	Large water area	The documentation form by Mark Proescholdt is the earliest and the one that forms the basis of this record. Other documentation forms by Diane Porter, Thomas H. Kent, Ray Cummins, and Jim Fuller. Other observers include Ann Barker, Ann Johnson, Matt Keene, Jim Sinclair, Tim Schantz, Harold White, Hank Zalatel, Beth Proescholdt, Loren Padelford, Diane Porter, David Youngblut, Tom Klein, Francis Moore, and Ray Cummins. \| Elimination of similar species: The bill size and small size of the loon helps eliminate a Common Loon. A Pacific Loon would have a sharp contrast on the side of the neck between light and dark colors. \| The original documentation form event lasted from 11:30:00/11:45:00 and 16:30:00/16:32:00.	Iowa Ornithologists' Union \| MS 166	7	5
Rare bird documentation form for Black Scoter at Big Creek State Park, 1986	Field notes	Birds--Identification Ornithology Rare birds	1986-11-12	1986-11-20	Rare birds documentation form	Rare bird documentation form for a Black Scoter at Big Creek State Park in Polk County, IA on November 12, 1986.	Proescholdt, Mark	Black Scoter	Big Creek State Park	Big Creek State Park - (Polk Co.)	Large to medium-sized Lake with many bays	The documentation form by Mark Proescholdt is the only one submitted and forms the basis of this record. Other observers include Beth Proescholdt, Bob Myers, and Steve Dinsmore. \| Elimination of similar species: A winter Ruddy Duck is much smaller than a scoter, has a different look than a scoter, is lighter in coloration, and the cheek patch is different color or markings of male and female Ruddy than a scoter. \| The original documentation form event lasted from 15:20:00/15:40:00.	Iowa Ornithologists' Union \| MS 166	33	13
Rare bird documentation form for Peregrine Falcon at Saylorville Reservoir, 1985	Field notes	Birds--Identification Ornithology Rare birds	1985-09-21	N/A	Rare birds documentation form	Rare bird documentation form for a Peregrine Falcon at Saylorville Reservoir in Polk County, IA on September 21, 1985.	Myers, Robert K.	Peregrine Falcon	Saylorville Lake	Saylorville Reservoir	Large timber lined lake. This area seems to be a good migratory path for raptors.	The documentation form by Robert K. Myers is the only one submitted and forms the basis of this record. Other observers include Francis Moore. \| Elimination of similar species: Bird was too big for Merlin and too dark above for Prairie Falcon and basic shape, color and head pattern eliminates other possible hawks. \| The original documentation form event lasted from 11:30:00/11:31:00.	Iowa Ornithologists' Union \| MS 166	33	34
Rare bird documentation form for Cape May Warbler at Cedar Rapids, 1999	Field notes	Birds--Behavior Birds--Identification Ornithology Rare birds	1999-12-22	N/A	Rare birds documentation form	Rare bird documentation form for a Cape May Warbler at Cedar Rapids in Linn County, IA on December 22, 1999.	Dooley, Michael C.	Cape May Warbler	Cedar Rapids	Feeder in Cedar Rapids, Linn County	Large six-foot high, covered platform feeder in open backyard. Perhaps two inches of snow cover on ground. Neighborhood of single-family homes with yards, in city but outside of inner city. Large park nearby.	The documentation form by Mike Dooley is the only one submitted and forms the basis of this record. Other observers include Bill Scheible, John Havilcek, Joyce Havilcek, and Jim Durbin. \| Elimination of similar species: None eliminated on-site. Possible mis-identifications, given the premium conditions and extended period under which this bird was studied, might be as follows (consulting the National Geographic Society field guide): (1) fall adult Blackburnian Warbler: bird in question was strongly streaked on breast and sides, not just flanks; (2) female Townsend's Warbler: streaking on breast and sides of bird in question did not have semi-necklace effect of Townsend's; olive of head and back much grayer; (3) female Praire [sic] Warbler: bird in question had extended yellow post-occular stripe; streaked breast, not just sides and streaks bolder; had white belly; (4) fall Blackpoll Warbler: bird in question was much more boldly streaked on breast and sides; had extended post-occular yellow stripe, clearly defined cheek patch. All of above eliminated due to bird in question having wings similar to back color and not of a contrasting charcoal, as well as having a bold yellow-olive rump. All but Praire [sic] Warbler eliminated due to bird in question's virtual lack of wing bars. \| The original documentation form event lasted from 13:45:00/15:00:00.	Iowa Ornithologists' Union \| MS 166	35	24