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

Photograph of faculty members from the American School of Wildlife Protection	Photographs	Ornithology--Study and teaching Wildlife conservationists	1928-08-07	1928-08-18	Manuscript, graphic, and printed material	Eleven faculty members from the American School of Wildlife Protection in McGregor posing outside, August 7-18, 1928. Photograph originally titled "Faculty of Wildlife School at McGregor, Iowa." Rosene provides details on back of photograph.			McGregor				Walter M. Rosene, Sr. Papers \| MS 589	13	4
Records Committee review for rare bird sighting for Gyrfalcon at Iowa Lake Wildlife Management Area in 1992	Administrative records Clippings (information artifacts) Correspondence Field notes Photographs	Birds--Behavior Birds--Identification Ornithology--Methodology Photography of birds Rare birds	1992-03-27	1994-10-18	Manuscript, graphic, and printed material	Records Committee review for a Gyrfalcon at Iowa Lake Wildlife Management Area Kossuth Counties, IA on March 27, 1992. Includes a record review document with votes, eight photographs of the bird, letters between Brad Bolduan, Peder H. Svingen, and Thomas Kent, and the published and approved sighting record found in the publication Gyrfalcon in Kossuth County in Iowa Bird Life 64:1 by Brad Bolduan.	Iowa Ornithologists' Union Records Committee	Gyrfalcon	Iowa Lake Marsh State Game Management Area				Iowa Ornithologists' Union \| MS 166	9	4
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
Records Committee review for rare bird sighting for Smith's Longspur near Pocahontas, 1983	Administrative records Correspondence Field notes Photographs	Bird watching Ornithology Ornithology--Societies, etc	1983-12-17	1996-04-24	Rare birds documentation form	Records Committee review for a Smith's Longspur near Pocahontas in Pocahontas County, IA on December 17, 1983. Includes a record review document with votes, a request for reconsideration of record, correspondence relevant to bird sighting and review, a photograph, and three documentations submitted to the committee.	Jardine, Wallace E.	Smith's Longspur	Pocahontas	Pocahontas, IA.	General: Back yard opening to a 100 acre farm field. Evergreens, bushes, trees. Specific: Foot of tray feeder beside tree.	The documentation form by Wallace Jardine forms the basis of this record. Other documentations by Ronald Harms and Rita DeWall were submitted. \| Elimination of similar species: Lapland Longspur \| The original documentation form event lasted from 08:00:00/12:00:00.	Iowa Ornithologists' Union \| MS 166	13	42
Records Committee review for rare bird sighting for Chestnut-collared Longspur south of Grovers Lake, 1997	Administrative records Clippings (information artifacts) Field notes Photographs	Bird watching Ornithology Ornithology--Societies, etc	1997-04-12	2000-11-24	Rare birds documentation form	Records Committee review for a Chestnut-collared Longpsur south of Grovers Lake in Dickinson County, IA on April 12, 1997. Includes a record review document with votes, a photograph in Iowa Bird Life, an article in Field Notes, a photograph, and two documentation forms submitted to the committee.	Schoenewe, Lee A.	Chestnut-collared Longspur	Grovers Lake	1/4 mile south of Grover's Lake, Dickinson County	Gravel road after snow storm	The documentation form by Lee A. Schoenewe forms the basis of this record. Another documentation form by Ed Thelen was submitted. Other observers include Gary Grange and LaVonne Foote. \| Elimination of similar species: other longspurs - dark belly + face pattern \| The original documentation form event lasted from 10:35:00/10:50:00.	Iowa Ornithologists' Union \| MS 166	13	43
Records Committee review for rare bird sighting for Chestnut-collared Longspur at northwest Sioux County, 1995	Administrative records Clippings (information artifacts) Field notes Photographs	Bird watching Ornithology Ornithology--Societies, etc	1995-04-12	2000-11-18	Rare birds documentation form	Records Committee review for a Chestnut-collared Longspur at northwest Sioux County, IA on April 12, 1995. Includes a record review document with votes, a photograph, an article in Iowa Bird Life, an article in Field Notes, and a documentation form submitted to the committee.	Kent, Thomas H. (Thomas Hugh), 1934-	Chestnut-collared Longspur	Sioux County	A545 at 290th St., NW Sioux Co., Iowa	farmland	The documentation form by Thomas H. Kent is the only one submitted and forms the basis of this record. \| Elimination of similar species: The behavior was typical for a longspur and the field marks are distinctive. \| The original documentation form event lasted from 10:15:00/10:45:00.	Iowa Ornithologists' Union \| MS 166	13	43
Records Committee review for rare bird sighting for Chestnut-collared Longspur south of Percival, 1992	Administrative records Clippings (information artifacts) Field notes Photographs	Bird watching Ornithology Ornithology--Societies, etc	1992-04-23	1999-10-15	Rare birds documentation form	Records Committee review for twenty-five Chestnut-collared Longspurs south of Percival in Fremont County, IA on April 23, 1992. Includes a record review document with votes, five photographs, an article in American Birds, and a documentation form submitted to the committee.	Rose, B.J.	Chestnut-collared Longspur	Percival	Approximately 2 1/2 miles south of Percival, Fremont County, Iowa on Hwy L31 (about 1 mile north of Hwy 2).	Roadside and stubble.	The documentation form by B.J. Rose is the only one submitted and forms the basis of this record. Another observer was Babs Padelford. \| The original documentation form event lasted from 12:30:00/12:40:00.	Iowa Ornithologists' Union \| MS 166	13	43
Records Committee review for rare bird sighting for Pinyon Jay at northeast Boone County, 1996	Administrative records Clippings (information artifacts) Field notes Photographs	Bird watching Ornithology Ornithology--Societies, etc	1996-11-30	2000-11-22	Rare birds documentation form	Records Committee review for a Pinyon Jay at northeast Boone County, IA on November 30, 1996. Includes a record review document with votes, two photographs, an article in Field Notes, an article in Iowa Bird Life, an article in the Des Moines Register, and six documentation forms submitted to the committee.	Dinsmore, James J.	Pinyon Jay	Boone	ne Boone County	at bird feeder, in farm yard	The documentation form by Jim Dinsmore forms the basis of this record. Other documentation forms by Mark Proescholdt, Thomas H. Kent, Stephen Dinsmore, Chris Edwards, and Jim Fuller were submitted. Other observers include Lloyd Crim, Gaylan Crim, Ann Johnson, Peter Peterson, Jim Sinclair, Dennis Henrickson, Ken Lowder, John Daniel, Chris Caster, Dennis Thompson, Cecille Thompson, Beth Proescholdt, Dick Tetrault, Pam Allen, Reid Allen, Eugene Armstrong, Eloise Armstrong, and many unidentified observers. \| Elimination of similar species: This combination of body shape and color separates it form other jays. \| The original documentation form event lasted from 08:45:00/10:15:00.	Iowa Ornithologists' Union \| MS 166	12	43
Records Committee review for rare bird sighting for Clark's Nutcracker north of Pony Creek Park, 1996.	Administrative records Clippings (information artifacts) Field notes Photographs	Bird watching Ornithology Ornithology--Societies, etc	1996-12-20	2000-11-22	Rare birds documentation form	Records Committee review for a Clark's Nutcracker north of Pony Creek Park in Mills County, IA on December 20, 1996. Includes a record review document with votes, three photographs, an article in Field Notes, and four documentation forms submitted to the committee.	Kent, Thomas H. (Thomas Hugh), 1934-	Clark's Nutcracker	Pony Creek Park	residential area north of Pony Creek Park, Mills Co., Iowa	about a mile into the mixed wooded and open areas of the Loess Hills.	The documentation form by Thomas H. Kent forms the basis of this record. Other documentation forms by Jim Fuller, Stephen Dinsmore, and Peter C. Petersen were submitted. Other observers include Mary Lou Petersen, Brian Blevins, Roy Davis, Bobbie Davis, and many unidentified other observers. \| Elimination of similar species: none. \| The original documentation form event lasted from 09:07:00/09:30:00.	Iowa Ornithologists' Union \| MS 166	12	44
Records Committee review for rare bird sighting for Boreal Chickadee at Des Moines, 1976	Administrative records Clippings (information artifacts) Field notes Photographs	Bird watching Ornithology Ornithology--Societies, etc	1976-11-17	1996-04-24	Rare birds documentation form	Records Committee review for a Boreal Chickadee at Des Moines in Polk County, IA on November 17, 1976. Includes a record review document with votes, a photograph, multiple articles from Iowa Bird Life, a request for reconsideration of record, and a documentation form submitted to the committee.	Brown, Woodward H.	Boreal Chickadee	Des Moines	Des Moines, IA	General: urban, residential Specific: large back yard with both evergreen and deciduous trees and large stand of yew adjacent to feeders	The documentation form by Woodward H. Brown is the only one submitted and forms the basis of this record. Other observers include Dick Mooney, Nicholas Halmi, Lurene Warters, and many unidentified observers. \| Elimination of similar species: Superficially similar to any of the chickadees \| The original documentation form event lasted from 15:45:00/16:15:00.	Iowa Ornithologists' Union \| MS 166	12	49
Record Committee review for rare bird sighting of Red-throated Loon at Pleasant Creek Lake, 1997	Administrative records Clippings (information artifacts) Field notes Photographs	Bird watching Ornithology Ornithology--Societies, etc	1997-04-13	2000-11-24	Rare birds documentation form	Record Committee review for a Red-throated Loon at Pleasant Creek Lake in Linn County, IA on April 13, 1997. Includes a record review document with votes, an Iowa Bird Life article, a photo and two documentation forms submitted to the committee.	Fuller, James L	Red-throated Loon	Pleasant Creek State Park	Pleasant Creek Recreation Area (Linn County)		The documentation form by Jim Fuller is the earliest and the one that forms the basis of this record. Other documentation forms by Chris Edwards were submitted later. Other observers include John Daniel, Ken Lowder, and Dale Fye. \| Elimination of similar species: The other smaller loon, Pacific has darker gray upperparts and minimal white marks on the back, gray surrounding the eye, a straight bill, black eye, a more rounded top of the head, and often displays a chin strap, all features which differ from Red-throated Loon. \| The original documentation form event lasted from 14:37:00/14:54:00.	Iowa Ornithologists' Union \| MS 166	7	5
Records Committee review for rare bird sighting for Mountain Bluebird at Hill Lookout on Sioux River in O'Brien County, 1999	Administrative records Correspondence Field notes Photographs	Bird watching Ornithology Ornithology--Societies, etc	1999-02-07	2000-11-28	Rare birds documentation form	Records Committee review for a Mountain Bluebird at Hill Lookout on Sioux River in O'Brien County, IA on February 7, 1999. Includes a record review document with votes, a photograph, a letter documenting a related sighting, and four documentation forms submitted to the committee.	Schoenewe, Lee A.	Mountain Bluebird	Hill Little Sioux Overlook	Hill Tree Farm lookout on Waterman Blvd, O'Brien Co.	Hilly river valley	The documentation form by Lee Schoenewe is the earliest and the one that forms the basis of this record. Other documentation forms by Ed Thelen, Thomas H. Kent, and Jim Fuller were submitted later. Other observers include Nancy Schoenewe, Rob Thelen, Matt Thelen, Marty Thelen, and Gary Grange. \| Elimination of similar species: Eastern and Western bluebirds have rust color \| The original documentation form event lasted from 12:40:00/12:55:00.	Iowa Ornithologists' Union \| MS 166	13	5
Records Committee review for rare bird sighting for Mountain Bluebird at Lake Anita State Park, 1989	Administrative records Clippings (information artifacts) Field notes Photographs	Bird watching Ornithology Ornithology--Societies, etc	1989-03-07	1993-08-05	Rare birds documentation form	Records Committee review for seven Mountain Bluebirds at Lake Anita State Park in Cass County, IA on March 7, 1989. Includes a record review document with votes, an article in Iowa Bird Life, a photograph, and four documentation forms submitted to the committee.	Myers, Robert K.	Mountain Bluebird	Lake Anita State Park	Lake Anita State Park	Hilly, grassy lake shore with red cedar	The documentation form by Bob Myers forms the basis of this record. Other documentation forms by Steve Dinsmore, Ann Johnson, and Jim Fuller were submitted. Other observers include Beth Brown, James Dinsmore, L. Paul Hertzel, Eugene Armstrong, Eloise Armstrong, and many unidentified other observers. \| Elimination of similar species: Eastern bluebird would show reddish on throat and breast. Western bluebirds would be darker and also have chestnut on breast. \| The original documentation form event lasted from 10:00:00/10:30:00.	Iowa Ornithologists' Union \| MS 166	13	5
Photograph of Northern Saw-whet Owl, 1996	Photographs	Birds--Identification Ornithology Photography of birds Rare birds	1996-02-11	N/A	Manuscript, graphic, and printed material	Black-and-white photograph of a Northern Saw-whet Owl taken at Crawford Creek in Ida County, IA on February 11, 1996 by an unknown author.		Northern Saw-whet Owl	Crawford Creek County Recreation Area				Iowa Ornithologists' Union \| MS 166	34	55
Records Committee review for rare bird sighting of Slaty-Backed Gull north of Le Claire, 1989	Administrative records Clippings (information artifacts) Correspondence Field notes Photographs	Bird watching Ornithology Ornithology--Societies, etc	1989-02-12	1994-02-27	Rare birds documentation form	Records Committee review for a Slaty-backed Gull north of Le Claire in Scott County, IA on February 12, 1989. Includes a record review document with votes, an article in Iowa Bird Life, excerpt from Illinois Birds and Birding, correspondence and commentary relevant to bird sighting and review, two photographs, photocopy of photographs, and eleven documentation forms submitted to the committee.	Barker, Ann M.	Slaty-backed Gull	Le Claire	(1) Just north of Le Claire, Ia (2 +3) - Moline, IL. riverfront	river; open water or up on ice shelf or seawall	The documentation form by Ann M. Barker forms the basis of this record. Other documentation forms by Jim Fuller, Peter C. Petersen, Thomas H. Kent, Gerald White, Tanya E. Bray, Ross Silcock, Carl Bendorf, and Michael J. Baum were submitted. Other observers include Mary Lou Petersen, Cal Knight, Bernie Knight, Tom Rockwell, Lewis Blevins, Brian Blevins, Don Moeller, Walter Zuurdeeg, Daryl Tessen, Doug Rose, Alan Grenon, and many unidentified observers. \| Elimination of similar species: (A) Greater black backed - Gull in question has slaty - gray saddle rather than coal black. And Gull in question is same size as Herring Gulls; Greater black-backed would be much larger. (B) Lesser black backed - Gull in question has pink legs and feet, and has much more white on primaries. (C) Western - Gull in question has considerable white on primaries, and does not show dusky trailing edge to underwing. Also has broader white trailing edge to upperwing than would the Western. (D) Herring Gull - dark race - no experience with this, but those shown in Harrison do not show as dark a saddle as Gull in question, nor as much white on primaries. \| The original documentation form event lasted from 15:00:00/15:30:00 on February 12, 1989, 12:15:00/12:45:00 and 16:00:00/17:30:00 on February 14, 1989.	Iowa Ornithologists' Union \| MS 166	11	6
Records Committee review for rare bird sighting of Lesser White-fronted Goose at Lake Macbride, 1998	Administrative records Field notes Photographs	Bird watching Ornithology Ornithology--Societies, etc	1998-06-11	2000-11-24	Rare birds documentation form	Records Committee review of a Lesser White-fronted Goose at Lake Macbride in Johnson County, IA on June 11, 1998. Includes a record review document with votes, a color photograph, and two documentation forms submitted to the committee.	Fuller, James L	Lesser White-fronted Goose	Lake Macbride State Park	Northeast corner of the south arm of Lake MacBride (Johnson County)		The documentation form by Jim Fuller is the earliest and the one that forms the basis of this record. Another documentation form by Thomas H.Kent was submitted later. Other observers include James Huntington and Dick Tetrault. \| Elimination of similar species: Greater White-fronted Goose is larger with a larger head and longer bill, and lacks a yellow eye-ring. \| The original documentation form event lasted from 05:55:00/06:15:00.	Iowa Ornithologists' Union \| MS 166	8	6
Photograph of a Wood Duck in a house	Photographs	Birds--Research Ornithology--Methodology Birdhouses--Design and construction	1965-01-01	1965-12-31	Manuscript, graphic, and printed material	A Wood Duck looks out of a string covered opening in a Wood Duck house, 1965. The string stretched across the bird house opening was used by Frederic Leopold to determine whether birds had entered or left the nest.	Leopold, Frederic, 1895-1989	Wood Duck	Burlington				Frederic Leopold Papers \| MS 113	6	6
Lantern slide and photograph of Walter Rosene on an observation tower investigating a Great Horned Owl nest	Lantern slides Photographs	Bird watchers Birds--Nests Ornithology--Methodology	1932-05-01	N/A	Manuscript, graphic, and printed material	Walter Rosene at the top of an observation tower, located in Litchfield Woods, investigating a Great Horned Owl nest, May 1, 1932. Slide originally titled "Horned Owl's Nest (observation post)." Rosene provides details on photograph.		Great Horned Owl	Boone County				Walter M. Rosene, Sr. Papers \| MS 589	2	63
Photograph of Big Bluestem Audubon Society past presidents	Photographs	Bird watchers Ornithology--Societies, etc	1998-05-01	1998-05-31	Manuscript, graphic, and printed material	Photo of past presidents of the Big Bluestem Audubon Society, May 1998. In the back row, from left right: James A. "Jim" Murdock (1984-1986), David C. Edwards (1986-1988), Mike Meetz (1988-1990), and Mark Widrlechner (1994-1996). In the front row, from left to right: Maridel Jackson (1992-1994), Lotus Miller, and Sherry Dragula (1990-1992).	Big Bluestem Audubon Society (Ames, Iowa)						Big Bluestem Audubon Society \| MS 592	2	7
Records Committee review for rare bird sighting of Pacific Loon at Spirit Lake, 1997	Administrative reports Field notes Photographs	Bird watching Ornithology Ornithology--Societies, etc	1997-08-02	2000-11-24	Rare birds documentation form	Records Committee review for a Pacific Loon at Spirit Lake in Dickinson County, IA on August 2, 1997. Includes a record review document with votes, a photo, and two documentation forms submitted to the committee.	Thelen, Ed	Pacific Loon	Spirit Lake	West and South shore of Spirit Lake, Dickinson County	Large Natural Lake	The documentation form by Ed Thelen is the earliest and the one that forms the basis of this record. Other documentation forms by Lee Schoenewe was submitted later. Other observers include Nancy Schoenewe. \| Elimination of similar species: Straight horizontal bill and chinstrap eliminated red-throated Loon - smaller size eliminated common Loon. \| The original documentation form event lasted from 07:30:00/08:30:00 on 08/02/1997 and from 07:30:00/07:40:00 on 08/05/1997.	Iowa Ornithologists' Union \| MS 166	7	7
Records Committee review for rare bird sighting of Pacific Loon at West Okoboji, 1997	Administrative records Clippings (information artifacts) Field notes Photographs	Bird watching Ornithology Ornithology--Societies, etc	1997-04-15	2000-11-24	Rare birds documentation form	Records Committee review for a Pacific Loon at West Okoboji in Dickinson County, IA on April 15, 1997. Includes a record review document with votes, two photos, an article of Iowa Bird Life, and three documentation forms submitted to the committee.	Thelen, Ed	Pacific Loon	West Okoboji Lake	N. End of West Okoboji - Dickinson County	3800 Natural Lake with developed shoreline	The documentation form by Ed Thelen is the earliest and the one that forms the basis of this record. Other documentation forms by Lee Schonewe, and Douglas Harr were submitted later. Other observers included Tim Waltz. \| Elimination of similar species: Common Loons were also nearby and were larger with a flatter head, no chin strap and also white above the eye. Saw Loon fly only once. \| The original documentation form event lasted from 10:45:00/12:30:00.	Iowa Ornithologists' Union \| MS 166	7	7
Records Committee review for rare bird sighting of Pacific Loon at Anderson Lake, 1994	Administrative records Clippings (information artifacts) Field notes Photographs	Bird watching Ornithology Ornithology--Societies, etc	1994-07-13	1996-04-25	Rare birds documentation form	Records Committee review for a Pacific Loon at Anderson Lake in Hamilton County, IA on July 13, 1994. Includes a record review document with votes, a photo, an article from Iowa Bird Life, and five documentation forms submitted to the committee.	Dinsmore, Stephen J.	Pacific Loon	Anderson Goose Lake	Anderson L., Hamilton Co., IA	shallow marsh	The documentation form by Steve Dinsmore is the earliest and the one that forms the basis of this record. Other documentation forms by Mark Proescholdt, James Dinsmore, Thomas Kent, and Beth Proescholdt were submitted later. Other observers include Hank Zaletel. \| Elimination of similar species: The size and shape of the bird were those of a loon. The lack of a dark auricular patch, contrasting neck pattern, dark back and upperwings, and dark bill color all ruled out Yellow-billed Loon. Red-throated Loon was eliminated by bill shape, neck pattern, the dark back and upperwings, and dark area around the eye. Common Loon was eliminated by the dark back and upperwings, shorter, thicker bill, dark area around the eye, evidence of a chinstrap, neck pattern, and contrast between the pale nape and dark back. The bird was clearly a Pacific or Arctic Loon, but which one? Unfortunately, exact identification was not possible, though it was likely a Pacific Loon. \| The original documentation form event lasted from 17:25:00/20:15:00.	Iowa Ornithologists' Union \| MS 166	7	7
Records Committee review for rare bird sighting of Pacific Loon at Pleasant Creek State Park, 1991	Administrative records Clippings (information artifacts) Field notes Photographs	Bird watching Ornithology Ornithology--Societies, etc	1991-11-09	1993-07-17	Rare birds documentation form	Records Committee review for a Pacific Loon at Pleasant Creek State Park in Linn County, IA on November 9, 1991. Includes a record review document with votes, a photo, pages from an issue of Iowa Bird Life, and six documentation forms submitted to the committee.	Kent, Thomas H. (Thomas Hugh), 1934-	Pacific Loon	Pleasant Creek State Park	Pleasant Creek State Park, Linn Co., IA.	Deep artificial lake with many ducks.	The documentation form by Thomas H. Kent is the earliest and the one that forms the basis of this record. Other documentation forms by Jim Fuller, David L. Dankert, Randall Pinkston, Carl J. Bendorf, and Mark Proescholdt were submitted later. Other observers include Pete Wickham, John Daniel, Jeffrey B. Dankert, Beth Proescholdt, Pam Allen and Reid Allen. \| Elimination of similar species: No Common Loons present for comparison, but several were seen earlier in day at Lake Macbride. Bill thinner and straighter than Common Loon. No white around eye. Very sharp demarcation down neck. Neck mark was very thin and faint to me. \| The original documentation form event lasted from 12:00:00/12:45:00.	Iowa Ornithologists' Union \| MS 166	7	7
Records Committee review for rare bird sighting of Pacific Loon at Saylorville Reservoir, 1989	Administrative records Field notes Photographs	Bird watching Ornithology Ornithology--Societies, etc	1989-10-22	1993-08-05	Rare birds documentation form	Records Committee review for a Pacific Loon at Saylorville Reservoir in Polk County, IA on October 22, 1989. Includes a record review document with votes, a print with three photos and four documentation forms submitted to the committee.	Dinsmore, Stephen J.	Pacific Loon	Saylorville Lake	Saylorville Reservoir, Polk Co.-off dam and Cherry Glen Rec. Area	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 Bob Myers, Ann Johnson, and Ray Cummins were submitted later. Other observers include Becky Myers, Pam Allen, Reed Allen, Eugene Armstrong, and Eloise Armstrong. \| Elimination of similar species: The combination of smaller size, short, straight bill, neck pattern, and contrast between the head and rest of the upperparts eliminates other loons. \| The original documentation form event lasted from 07:46:00/11:56:00.	Iowa Ornithologists' Union \| MS 166	7	7
Lantern slide and photograph of Walter Rosene on a ladder attached to a tree	Lantern slides Photographs	Bird watchers Birds--Nests Ornithology--Methodology	N/A	N/A	Manuscript, graphic, and printed material	Walter Rosene sitting on a ladder that is attached to tree trunk. Rosene is attached to the tree via a pulley system in order to create a swinging scaffold which was used to reach and photograph the nest of a Great Horned Owl, located 37 feet up in the top of hollow tree. Slide originally titled "Ladder to Nest." Rosene provides details on photograph and type-written note.		Great Horned Owl					Walter M. Rosene, Sr. Papers \| MS 589	1	8