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

James J. Dinsmore letter to field report contributors regarding field reports, August 18, 1986	Correspondence	Bird watching Birds--Research	1986-08-18	N/A	Manuscript, graphic, and printed material	Letter from James J. Dinsmore to field report contributors regarding field reports, August 18, 1986. The letter thanks the volunteers and mentions what information in the reports is helpful for the project. This item was used as supporting documentation for the Iowa Ornithologists' Union Quarterly field report of summer 1986.	Dinsmore, James J.		Fremont County Iowa				Iowa Ornithologists' Union \| MS 166	22	4
Special sighting reports and Iowa Breeding Bird Atlas documentation form, Patricia A. Jackson, August 20, 1986.	Field notes Forms (documents)	Bird watching Birds--Habitat Birds--Identification Birdsongs Ornithology--Methodology Rare birds	1986-08-20	N/A	Manuscript, graphic, and printed material	Special sighting reports and a documentation of a Least Flycatcher sighting contributed by Patricia A. Jackson, August 20, 1986. This item was part of a group of documents submitted by Doug Reeves for the Iowa Ornithologists' Union Quarterly field report of summer 1987.	Jackson, Patricia A., 1924-2017	Upland Sandpiper Least Flycatcher Harris' Sparrow Yellow-throated Warbler Greater Yellowlegs Veery Swainson's Thrush Blackpoll Warbler	Lyon County Rock Rapids				Iowa Ornithologists' Union \| MS 166	23	1
Saylorville's Cooper's Hawks	Correspondence Field notes	Bird watching Birds--Nests	1986-08-22	N/A	Manuscript, graphic, and printed material	Report titled "Saylorville's Cooper's Hawks." The report discusses the sightings of Cooper's Hawks at the Saylorville Reservoir. The item includes a letter written in response to the report. This item was used as supporting documentation for the Iowa Ornithologists' Union Quarterly field report of summer 1986.		Cooper's Hawk	Saylorville				Iowa Ornithologists' Union \| MS 166	22	4
Bluestem Flyer, Volume 21, Number 1, September 1986	Newsletters	Bird watching Ornithology--Societies, etc Charadriiformes \| Shore-birds, Gulls, and Auks Parulidae \| Warblers Meetings	1986-09-01	1986-09-30	Manuscript, graphic, and printed material	The newsletter of the Big Bluestem Audubon Society (Ames, Iowa), Volume 21, Number 1, September 1986. Highlights of the newsletter include details on upcoming meetings and events, including an Aldo Leopold centennial celebration, the 1986 society program schedule, and a list of September field trips. Also of interest are birder's notes on the fall migration of shorebirds and Warblers and a summer report of unusual sightings of a Mountain Plover and a Western Sandpiper.	Big Bluestem Audubon Society (Ames, Iowa) van der Linden, Judy	Mountain Plover Western Sandpiper American Golden Plover	Ames Colo Bogs Wildlife Management Area				Big Bluestem Audubon Society \| MS 592	3	3
Bluestem Flyer, Volume 21, Number 2, October 1986	Newsletters	Bird feeders Bird watching Birding sites Birds--Migration Ornithology--Societies, etc Charadriiformes \| Shore-birds, Gulls, and Auks Important bird areas	1986-10-01	1986-10-31	Manuscript, graphic, and printed material	The newsletter of the Big Bluestem Audubon Society (Ames, Iowa), Volume 21, Number 2, October 1986. Highlights of the newsletter include a report on September field trips, a column by Stephen J. Dinsmore featuring Saylorville Reservoir which is the birding "hot spot" of the month, birder's notes on migrating shorebirds, and an article on bird feeding fundamentals.	Big Bluestem Audubon Society (Ames, Iowa) van der Linden, Judy		Ames Ledges State Park Saylorville Lake Colo Bogs Wildlife Management Area				Big Bluestem Audubon Society \| MS 592	3	3
Douglas E. Trapp letter to Thomas H. Kent regarding raptor migration watch, October 3, 1986	Correspondence Field notes	Bird watching Birds of prey Birds--Migration Ornithology--Methodology Weather	1986-10-03	N/A	Manuscript, graphic, and printed material	Douglas E. Trapp letter to Thomas H. Kent regarding a raptor migration watch at War Eagle Park in Sioux City, Iowa with field biologist Kevin J. Loftus. It includes other topics such as weather conditions and raptor migration patterns. This item was used as supporting documentation for the Iowa Ornithologists Union Quarterly field report of fall 1986.	Trapp, Douglas E.	Red-tailed Hawk Swainson's Hawk Cooper's Hawk American Kestrel Turkey Vulture Osprey Peregrine Falcon	Sioux City War Eagle Park				Iowa Ornithologists' Union \| MS 166	22	5
Records Committee review for rare bird sighting of Sabine's Gull at Oak Grove Beach at Saylorville Reservoir, 1986	Administrative records Field notes	Bird watching Ornithology Ornithology--Societies, etc	1986-10-05	1993-09-07	Rare birds documentation form	Records Committee review for a Sabine's Gull at Oak Grove Beach at Saylorville Reservoir in Polk County, IA on October 5, 1986. Includes a record review document with votes, a summary of the review, and a documentation form submitted to the committee.	Dinsmore, Stephen J.	Sabine's Gull	Oak Grove Recreation Area	Oak Grove Beach, Saylorville Reservoir, Polk Co.	sitting on and circling over the beach parking lot	The documentation form by Steve Dinsmore is the only one submitted and forms the basis of this record. \| Elimination of similar species: All other gulls eliminated combination of wing pattern and slightly forked tail with black terminal band. \| The original documentation form event lasted from 09:13:00/09:18:00.	Iowa Ornithologists' Union \| MS 166	11	9
Video of a Lesser Black-backed Gull, Bob Cecil, October 20,1986	Field recordings	Bird watching Birds--Identification	1986-10-20	N/A	Audiovisual material	Video by Bob Cecil of a Lesser Black-backed Gull flying over the Mississippi River below Lock and Dam 19 at Keokuk, Iowa, October 20, 1986. This item is related to an IOU Records Committee review: https://avian.lib.iastate.edu/documents/1029/view.	Cecil, Robert I.	Lesser Black-backed Gull	Lock Number 19				Iowa Ornithologists' Union \| MS 166	37	1
Records Committee review for rare bird sighting of Lesser Black-backed Gull at Lock and Dam 19 in Keokuk, 1986	Administrative records Clippings (information artifacts) Field notes	Bird watching Ornithology Ornithology--Societies, etc	1986-10-20	1993-09-07	Rare birds documentation form	Records Committee for a Lesser Black-backed Gull at Lock and Dam 19 in Keokuk in Lee County, IA on October 20, 1986. Includes a record review document with votes, an article in Iowa Bird Life, summary of the review, and two documentation forms submitted to the committee.	Cecil, Robert I.	Lesser Black-backed Gull	Lock Number 19	Behind dam, Lock and Dam 19, Keokuk, Iowa	River rapids	The documentation form by Robert Cecil forms the basis of this record. Another documentation form by Jim Fuller was submitted. Other observers include Chris Pilliod, Jim Sandrock, Cal Knight, Jane Fuller, Charles Fuller, and James Huntington. \| Elimination of similar species: The only species I could not eliminate on the basis of field marks observed was Yellow-footed, which according to Tom Kent (telephone conversation) is not a known vagrant. More objectively, the Yellow-footed is supposed to be larger than a Herring Gull. As stated above, this bird was about the size of a Herring Gull, or perhaps a little smaller. I don't feel it was larger than a Herring Gull. Seabirds (Harrison) warns of possible confusion with dark race Herring Gull. I have not heard of this race occuring [sic] in Iowa. In any event, the foot coloring was incorrect for Herring Gull, which has pink legs in contrast to this bird's yellow legs. \| The original documentation form event occurred at various times.	Iowa Ornithologists' Union \| MS 166	11	5
Records Committee review for rare bird sighting for Rock Wren near C Street Roller Dam in Cedar Rapids, 1986	Administrative records Clippings (information artifacts) Field notes	Bird watching Ornithology Ornithology--Societies, etc	1986-10-30	1993-09-07	Rare birds documentation form	Records Committee review for a Rock Wren near C Street Roller Dam in Cedar Rapids in Linn County, IA on October 30, 1986. Includes a record review document with votes, an article in Iowa Bird Life, a summary of the review, and a documentation form submitted to the committee.	Fye, Dale Fye, Helen	Rock Wren	C Street Roller Dam	Southeast Cedar Rapids, Near Roller Dam, near Rocky Rail Road right of way with some dried weeds and short brush		The documentation form by Dale and Helen Fye is the only one submitted and forms the basis of this record. \| Elimination of similar species: Carolina Wren is browner and has a sharper eyeline. House wren is smaller. Bewicks has unstreaked breast and specific tail movement, + is predominately brown, also has a more distinct eyeline. Canyon has unstreaked breast and dark belly \| The original documentation form event lasted from 17:00:00/17:15:00.	Iowa Ornithologists' Union \| MS 166	13	1
Records Committee review for rare bird sighting of Pacific Loon at Saylorville Reservoir, 1986	Administrative records Clippings (information artifacts) Correspondence Field notes	Bird watching Ornithology Ornithology--Societies, etc Wildlife conservation	1986-11-01	1996-04-24	Rare birds documentation form	Records Committee review for a Pacific Loon at Saylorville Reservoir in Polk County, IA on November 1, 1986. Includes a record review document with votes, revotes on sighting, correspondence regarding sighting from Ronald E. Goetz to Thomas H. Kent, article from Iowa Bird Life, and a documentation form submitted to the committee.	Dinsmore, Stephen J.	Pacific Loon	Saylorville Lake	Prairie Flower Recreation Area, Saylorville Reservoir	large body of water	The documentation form by Steve Dinsmore is the earliest and the one that forms the basis of this record. \| Elimination of similar species: Common Loon eliminated by the more rounded forehead, the smaller, darker bill, the paler nape and crown, the gray necklace on the throat, and by the overall smaller size(a small Common Loon should still show the features of a normal Common Loon). Red-throated Loon was separated by the straight (not upturned) bill, the dark, unspeckled [sic] back, and the gray necklace. \| The original documentation form event lasted from 15:00:00/15:20:00.	Iowa Ornithologists' Union \| MS 166	7	7
Bluestem Flyer, Volume 21, Number 3, November 1986	Newsletters	Bird surveys Bird watching Birds--Counting Ornithology--Societies, etc Charadriiformes \| Shore-birds, Gulls, and Auks Women conservationists	1986-11-01	1986-11-30	Manuscript, graphic, and printed material	The newsletter of the Big Bluestem Audubon Society (Ames, Iowa), Volume 21, Number 3, November 1986. Highlights of the newsletter include details on upcoming Christmas Bird Counts in Story and Boone Counties, birder's notes with reports of the first returning winter birds and the last of the last of the migrating shorebirds, and a profile on Audubon member Jeanne Edwards.	Big Bluestem Audubon Society (Ames, Iowa) van der Linden, Judy	Snow Bunting Northern Saw-whet Owl	Ames Story County Boone County Tama Camp Hantesa				Big Bluestem Audubon Society \| MS 592	3	3
Bird report	Field notes	Bird watching Birds--Migration Birds--Nests Wit and humor	1986-11-02	1986-12-02	Manuscript, graphic, and printed material	Haldy describes observing a late pair of barn swallows take over an American Robin nest. Haldy eventually found the pair dead in early December. This item was used as supporting documentation for the Iowa Ornithologists' Union Quarterly Report of fall 1986.	Haldy, Lanny	Barn Swallow	Amana				Iowa Ornithologists' Union \| MS 166	22	5
Records Committee review for rare bird sighting for Black-billed Magpie east of Lindsay Wilderness Area, 1986	Administrative records Field notes	Bird watching Ornithology Ornithology--Societies, etc	1986-11-20	1993-09-07	Rare birds documentation form	Records Committee review for a Black-billed Magpie east of Lindsay Wilderness Area in Van Buren County, IA on November 20, 1986. Includes a record review document with votes, a summary of the review, and a documentation form submitted to the committee.	Vickers, William P.	Black-billed Magpie	Lindsay Wilderness Area	East of Lindsay Wilderness, Bonaparte, Ia	Second growth woodland near open pasture	The documentation form by William Vickers is the only one submitted and forms the basis of this record. Other observers include W.C. Cockerell and Mike Bentler. \| Elimination of similar species: Loggerhead shrike, which is much smaller \| The original documentation form event occurred around 09:00:00.	Iowa Ornithologists' Union \| MS 166	12	45
Records Committee review for rare bird sighting for Rock Wren at Saylorville Dam, 1986	Administrative records Clippings (information artifacts) Field notes	Bird watching Ornithology Ornithology--Societies, etc	1986-11-22	1993-09-07	Rare birds documentation form	Records Committee review for a Rock Wren at Saylorville Dam in Polk County, IA on November 22, 1986. Includes a record review document with votes, an article in Iowa Bird Life, a summary of the review, and nine documentation forms submitted to the committee.	Padelford, Babs Padelford, Loren	Rock Wren	Saylorville Dam	Saylorville Reservoir, Polk Co. East parking area on dam.	Rocky south wall of the dam.	The documentation form by Babs and Loren Padelford forms the basis of this record. Other documentation forms by Steve Dinsmore, Peter C. Petersen, Jim Dinsmore, Robert K. Myers, Paul Martsching, Francis L. Moore, and Mark Proescholdt were submitted. Other observers include Tim Schantz, Pat Kelly, Jane Fuller, Tom Stone, Bery Engebretsen, Chuck Fuller, B.J. Rose, Pete Wickham, Mark Brogie, Brian Blevins, Corey Blevins, Mary Lou Petersen, Eugene Armstrong, Eloise Armstrong, and many unidentified other observers. \| Elimination of similar species: [...] Tail in proportion to body was shorter than that of water pipit, and longer than a house wren. \| The original documentation form event lasted from 13:20:00/13:25:00.	Iowa Ornithologists' Union \| MS 166	13	1
Records Committee review for rare bird sighting of Pacific Loon at Saylorville Reservoir, 1986	Administrative records Clippings (information artifacts) Field notes	Bird watching Ornithology Ornithology--Societies, etc	1986-11-22	1994-02-05	Rare birds documentation form	Records Committee review for a Pacific Loon at Saylorville Reservoir in Polk County, IA on November 22, 1986. Includes a record review document with votes, a reconsideration of bird sighting record, summary of review of records, an article in Iowa Bird Life, and three documentation forms submitted to the committee.	Dinsmore, Stephen J.	Pacific Loon	Saylorville Lake	Saylorville Reservoir, Polk Co.	large reservoir	The documentation form by Steve Dinsmore is the earliest and the one that forms the basis of this record. Other documentation forms by Loren Padelford, Babs Padelford, and Bob Myers were submitted later. Other observers include Bob Myers, B.J. Rose, Jim Dinsmore, Gene Armstrong, and Eloise Armstrong. \| Elimination of similar species: Common Loon eliminated by the small bill, rounded forehead, clear separation between the throat and back of neck, smaller size, chin strap, and dark, mostly unmarked back. Red-throated Loon eliminated by thicker, straighter bill, dark back, chin strap, and 3-toned neck pattern. \| The original documentation form event lasted from 11:15:00 - 11:30:00 and 11:45:00.- 12:30:00 on November 22 and 08:00:00/08:35:00 on November 23.	Iowa Ornithologists' Union \| MS 166	7	7
Records Committee review for rare bird sighting of Thayer's Gull near Saylorville Reservoir Dam and Oak Grove Beach, 1986	Administrative records Field notes	Bird watching Ornithology Ornithology--Societies, etc	1986-11-23	1993-09-07	Rare birds documentation form	Records Committee review for seven or more Thayer's Gulls near Saylorville Reservoir Dam and Oak Grove Beach in Polk County, IA on November 23, 1986. Includes a record review document with votes, a summary of the review, and seven documentation forms submitted to the committee.	Dinsmore, Stephen J.	Thayer's Gull	Saylorville Dam Oak Grove Recreation Area	Saylorville Reservoir, Polk Co.(Oak Grove Beach and near dam)	seen resting on beach and flying over water near dam	The documentation form by Steve Dinsmore forms the basis of this record. Other documentation forms by Steve Dinsmore were submitted. Other observers include Paul Martsching, Bob Myers, Beth Proescholdt, Mark Proescholdt, and many unidentified other observers. \| Elimination of similar species: The darker body plumage and dark tail band eliminate Iceland Gull (Kumlien's form). The smaller size, smaller, more delicate bill, more rounded head, silvery white underwing pattern, more uniform body color, and more uniform upperwing pattern eliminate first winter Herring Gull. \| The original documentation form event occurred at various times.	Iowa Ornithologists' Union \| MS 166	11	3
Records Committee review for rare bird sighting of Thayer's Gull near Oak Grove Beach and Saylorville Reservoir Dam, 1986	Administrative records Field notes	Bird watching Ornithology Ornithology--Societies, etc	1986-11-23	1993-09-07	Rare birds documentation form	Records Committee review for a Thayer's Gull near Oak Grove Beach and Saylorville Reservoir Dam in Polk County, IA on November 23, 1986. Includes a record review document with votes, a summary of the review, and ten documentation forms submitted to the committee.	Dinsmore, Stephen J.	Thayer's Gull	Saylorville Dam Oak Grove Recreation Area	Saylorville Reservoir, Polk Co. (Oak Grove Beach and near dam)	seen resting on beach and flying over water near dam	The documentation form by Steve Dinsmore forms the basis of this record. Other documentation forms by Bob Myers, Mark Proescholdt, Beth Proescholdt, Thomas H. Kent, Jim Fuller, Francis L. Moore, Robert Cecil, and Paul Martsching were submitted. \| Elimination of similar species: The darker body plumage and dark tail band eliminate Iceland Gull (Kumlien's form). The smaller size, smaller, more delicate bill, more rounded head, silvery white underwing pattern, more uniform body color, and more uniform upperwing pattern eliminate first winter Herring Gull. \| The original documentation form event lasted from 10:50:00/11:55:00 and 15:50:00/16:05:00 on November 23, 1986 and 14:50:00/15:35:00 on November 24, 1986.	Iowa Ornithologists' Union \| MS 166	11	3
Records Committee review for rare bird sighting of Lesser Black-backed Gull at Saylorville Dam, 1986	Administrative records Field notes	Bird watching Ornithology Ornithology--Societies, etc	1986-11-29	1993-09-07	Rare birds documentation form	Records Committee review for a Lesser Black-backed Gull at Saylorville Dam in Polk County, IA on November 29, 1986. Includes a record review document with votes, a summary of review, and three documentation forms submitted to the committee.	Dinsmore, Stephen J.	Lesser Black-backed Gull	Saylorville Dam	Saylorville Reservoir, Polk Co.	sitting on ice above dam	The documentation form by Steve Dinsmore forms the basis of this record. Other documentation forms by Tanya Bray and Barbara Wilson were submitted. Other observers include Peter Wickham, Mark Brogie, and Bery Engebretsen. \| Elimination of similar species: Great Black-backed Gull was eliminated by the smaller size, contrast between the wingtips and the rest of the wing, and by the heavy streaking on the head(head should be mostly white on a Great Black-backed Gull). California Gull was eliminated by the darker mantle, darker underwing and dark carpal bar, lack of a dark spot on the bill, and by the dark smudge at the base of the bill(this is characteristic of 3rd summer Lesser Black-backed Gulls and is never present on California Gulls). \| The original documentation form event lasted from 10:08:00/12:10:00.	Iowa Ornithologists' Union \| MS 166	11	5
Field reports of Iowa birds contributed by Thomas H. Kent, November 29, 1986	Field notes	Bird watching Birds--Counting Birds--Identification Scolopacidae \| Sandpipers, Phalaropes, and allies	1986-11-29	N/A	Manuscript, graphic, and printed material	List of birds and locations contributed by Thomas H. Kent with observers Francis L. Moore, Robert I. Cecil, Carl J. Bendorf and others. The field notes include several bird descriptions. This item was used as supporting documentation for the Iowa Ornithologists Union Quarterly field report of fall 1986.	Kent, Thomas H. (Thomas Hugh), 1934-	Rough-legged Hawk Green-backed Heron Thayer's Gull Double-crested Cormorant Red-necked Grebe Horned Grebe Brewer's Blackbird Rusty Blackbird Snow Bunting Ross' Goose Black Scoter Merlin Yellow-bellied Flycatcher Yellow-Crowned Night Heron Golden Eagle Hermit Thrush Northern Waterthrush Buff-breasted Sandpiper	Allamakee County Coralville Lake George Wyth Memorial State Park Iowa City Iowa Kettleson Hogsback Wildlife Management Area Lyon County Saylorville Lake West Okoboji Lake DeSoto National Wildlife Refuge Monona County Howard County				Iowa Ornithologists' Union \| MS 166	22	5
Hank Zaletel letter to Carl J. Bendorf regarding bird sightings, November 29, 1986	Correspondence Field notes	Bird watching	1986-11-29	N/A	Manuscript, graphic, and printed material	Field notes contributed by Hank Zaletel in a letter to Carl J. Bendorf. The field notes include two bird sightings missing from his previous report. This item was used as supporting documentation for the Iowa Ornithologists Union Quarterly field report of fall 1986.	Zaletel, Hank	Solitary Sandpiper Stilt Sandpiper	Colo Bogs Wildlife Management Area				Iowa Ornithologists' Union \| MS 166	22	5
Field notes and Babs Padelford letter to Thomas H. Kent, November 30, 1986	Correspondence Field notes	Bird watching Birds--Counting Birds--Identification Birds--Infancy Emberizidae \| Sparrows	1986-11-30	N/A	Manuscript, graphic, and printed material	List of birds and locations contributed by Babs Padelford and Loren Padelford. Included with the field notes is a letter from Babs Padelford to Thomas H. Kent regarding a photograph of a Rock Wren. A list of birds and locations from B. J. Rose is also attached. This item was used as supporting documentation for the Iowa Ornithologists Union Quarterly field report of fall 1986.	Padelford, Babs Padelford, Loren Rose, B.J.	American Avocet Prairie Falcon Horned Grebe Ruby-throated Hummingbird Pacific Loon Least Tern Rock Wren Yellow-bellied Flycatcher Common Loon Black-crowned Night Heron Yellow-Crowned Night Heron Surf Scoter Osprey Glaucous Gull Scarlet Tanager Great Blue Heron Sandhill Crane	Big Creek Lake Carter Lake Dallas County Forneys Lake Fremont County Lake Manawa State Park Pony Creek Park Saylorville Lake Waubonsie State Park DeSoto National Wildlife Refuge Willow Slough State Game Management Area MidAmerican Energy Ponds				Iowa Ornithologists' Union \| MS 166	22	5
Records Committee review for rare bird sighting of Great Black-backed Gull at Saylorville Reservoir, 1986	Administrative records Field notes	Bird watching Ornithology Ornithology--Societies, etc	1986-11-30	1993-09-07	Rare birds documentation form	Records Committee review for a Great Black-backed Gull at Saylorville Reservoir in Polk County, IA on November 30, 1986. Includes a record review document with votes, a summary of the review, and two documentation forms submitted to the committee.	Dinsmore, Stephen J.	Great Black-backed Gull	Saylorville Lake	Saylorville Reservoir, Polk Co. (near visitors center)	large reservoir	The documentation form by Steve Dinsmore is the earliest and the one that forms the basis of this record. Another documentation form by Paul Martsching was submitted later. \| Elimination of similar species: Second winter Herring Gull eliminated by size, bill size, lack of a gray mantle, lack of streaking on the head and underparts, lack of a window on the upperwing, by the all white tail with a dark band at the tip, and by the very dark underside of the primaries. Second winter Lesser Black-backed Gull eliminated by smaller size, browner uppertail, and heavily streaked head and underparts. \| The original documentation form event lasted from approximately 16:00:00/16:15:00 on November 30, 1986 and 15:55:00/16:08:00 on December 1, 1986.	Iowa Ornithologists' Union \| MS 166	10	21
Records Committee review for rare bird sighting of Pacific Loon at Saylorville Reservoir, 1986	Administrative records Clippings (information artifacts) Field notes	Bird watching Ornithology Ornithology--Societies, etc	1986-11-30	1994-02-05	Rare birds documentation form	Record Committee review for a Pacific Loon at Saylorville Reservoir in Polk County, IA, on November 30, 1986. Includes a record review document with votes, a request of the reconsideration of sight records, an Iowa Bird Life article, a summary of review, and two documentation forms submitted to the committee.	Dinsmore, Stephen J.	Pacific Loon	Saylorville Lake	Saylorville Reservoir, Polk Co. (Cherry Glen Recreation Area)	large reservoir	The documentation form by Steve Dinsmore is the earliest and the one that forms the basis of this record. Another documentation forms by Paul Martsching was submitted later. \| Elimination of similar species: Common Loon was eliminated by bill size, more rounded forehead, unspeckled back, and by the neck pattern. Red-throated Loon was eliminated by bill shape, lack of speckling on the back, and three-toned neck pattern. \| The original documentation form event lasted from 08:43:00/08:45:00.	Iowa Ornithologists' Union \| MS 166	7	7
Records Committee review for rare bird sighting of Red-throated Loon at Saylorville Reservoir, 1986	Administrative records Field notes	Bird watching Ornithology Ornithology--Societies, etc	1986-12-01	1993-09-07	Rare birds documentation form	Records Committee review for a Red-throated Loon at Saylorville Reservoir in Polk County, IA on December 1, 1986. Includes a record review document, a summary of the review of the committee, and a documentation form submitted to the committee.	Dinsmore, Stephen J.	Red-throated Loon	Saylorville Lake	Saylorville Reservoir, Polk Co. (Cherry Glen Recreation Area)	swimming in open water off rock jetty	The documentation form by Steve Dinsmore is the earliest and the one that forms the basis of this record. \| Elimination of similar species: Common Loon eliminated by smaller size, head posture, shorter, upturned bill, speckling on back, more rounded forehead, and sharp contrast between throat and back of neck. Pacific Loon eliminated by bill shape, head posture, speckling on back, two-toned (not three-toned) neck pattern, lack of chinstrap (not definitive, but helpful), and crown color not including the eye (should include the eye on Pacific Loon). \| The original documentation form event lasted from 15:26:00/15:50:00.	Iowa Ornithologists' Union \| MS 166	7	5