|
Records Committee review for rare bird sighting of Eurasian Wigeon at Sweet Marsh, 1984
|
Administrative records Clippings (information artifacts) Field notes Forms (documents)
|
Bird watching Ornithology Ornithology--Societies, etc
|
1984-04-15
|
1993-09-01
|
Rare birds documentation form
|
Records Committee review of a Eurasian Wigeon at Sweet Marsh in Bremer County, IA on April 15, 1984. Includes a record review document with votes, an article in Iowa Bird Life, a summary of review, and eight documentation forms submitted to the committee.
|
Main, Stephen
|
Eurasian Wigeon
|
Sweet Marsh
|
Sweets Marsh, NW section, Tripoli, IA
|
Marsh - see above
|
The documentation form by Stephen Main is the earliest and the one that forms the basis of this record. Other documentation forms by Elaine Main, Francis L. Moore, Robert K. Myers, Thomas H. Kent, Thomas J. Staudt, Peter C. Petersen, and Carl J. Bendorf were submitted later. Other observers include Roberta Oppedahl and Lucille Liljedahl. | Elimination of similar species: have previously seen American Wigeon, Shoveler (present this time) and Redhead. | The original documentation form event lasted from 11:00:00/12:00:00.
|
Iowa Ornithologists' Union | MS 166
|
8
|
14
|
|
Records Committee review for rare bird sighting of Eurasian Wigeon at Ventura, 1992
|
Administrative records Clippings (information artifacts) Field notes
|
Bird watching Ornithology Ornithology--Societies, etc
|
1992-03-18
|
1994-10-18
|
Rare birds documentation form
|
Records Committee review of a Eurasian Wigeon 4 miles south of Ventura in Cerro Gordo County, IA on March 18, 1992. Includes a record review document with votes, an Iowa Bird Life, and a documentation form submitted to the committee.
|
Pinkston, Randall, 1956-
|
Eurasian Wigeon
|
Ventura
|
County Roads B43 at S14, approx. 4 miles south of Ventura, Cerro Gordo Co., Iowa
|
|
The documentation form by Randall Pinkston is the earliest and the one that forms the basis of this record. | Elimination of similar species: Obvious differences from American Wigeon include the American's dark (green) face mask, white forehead and crown ("baldpate"), as well as those other differences discussed above. Female American has finely mottled grayish head and brownish sides, lacks striking patterns on wings and hindparts. Redhead (Aythya americana) has 'pochard' gestalt with darker brick-red vs. cinnamon-buff head, head more rounded in profile, tricolored bill broad and stout. Also has relatively plain wing with gray coverts and pale gray remiges. Canvasback (Aythya valisineria) of either sex safely separable on the basis of head and bill in profile. Again, male's head is dark brick-red, back and sides whitish, lacks bold wing pattern. Female mergansers easily separable on the basis of bill alone. | The original documentation form event occurred around 11:00:00.
|
Iowa Ornithologists' Union | MS 166
|
8
|
14
|
|
Records Committee review for rare bird sighting of Common Eider at Red Rock Reservoir, 1995
|
Administrative records Clippings (information artifacts) Correspondence Field notes Forms (documents) Photographs
|
Bird watching Ornithology Ornithology--Societies, etc
|
1995-01-27
|
2000-11-18
|
Rare birds documentation form
|
Records Committee review of a Common Eider at Red Rock Reservoir in Marion County, IA on January 27, 1995. Includes a record review document with votes, correspondence over the sighting, photos, drawings of the bird sighting, articles in Iowa Bird Life, Field Notes, and other publications, and twelve documentation forms submitted to the committee.
|
Dinsmore, Stephen J.
|
Common Eider
|
Red Rock Dam
|
Des Moines River below Red Rock dam - Marion Co., Iowa
|
open stretch of river
|
The documentation form by Stephen J. Dinsmore is the earliest and the one that forms the basis of this record. Other documentation forms by Jim Dinsmore, Thomas H. Kent, Jim Fuller, Reid Allen, Ann Johnson, Mark Proescholdt, Chris Edwards, Peter C. Petersen, Ray Cummins, Robert Cecil, and Diane Porter were submitted later. | Elimination of similar species: See above discussion (Description). Steller's Eider eliminated by size. Female and immature King Eider eliminated by pattern of barring on flanks, size of bill, position of eye, faint white supercilium, and pattern of feathering on bill. Spectacled Eider eliminated by facial pattern and bill shape. | The original documentation form event lasted from 13:45:00/15:05:00.
|
Iowa Ornithologists' Union | MS 166
|
8
|
18
|
|
Records Committee review for rare bird sighting of Brant at Riverton Wildlife Management Area, IA, 1983
|
Administrative records Clippings (information artifacts) Correspondence Field notes
|
Bird watching Ornithology Ornithology--Societies, etc
|
1983-11-18
|
1993-09-01
|
Rare birds documentation form
|
Records Committee review of a Brant north of Riverton Wildlife Management Area in Fremont County, IA on November 18, 1983. Includes a record review document with votes, an article in Wildlife Notes, internal correspondence, and a documentation form submitted to the committee.
|
Priebe, Don
|
Brant
|
Riverton Wildlife Management Area
|
6 mi. N of Riverton on No. 2
|
Corn field
|
The documentation form by Don Priebe is the earliest and the one that forms the basis of this record. Other observers include Steve Benson, Carl Priebe, and Jim Priebe.
|
Iowa Ornithologists' Union | MS 166
|
8
|
9
|
|
Records Committee review for rare bird sighting of Brant at Whitebreast Park, 1987
|
Administrative records Clippings (information artifacts) Field notes
|
Bird watching Ornithology Ornithology--Societies, etc
|
1987-10-04
|
1993-09-07
|
Rare birds documentation form
|
Records Committee review of a Brant at near Whitebreast Park in Marion County, IA on October 4, 1987. Includes a record review document with votes, an article in Iowa Bird Life and a documentation form submitted to the committee.
|
Dinsmore, James J.
|
Brant
|
Whitebreast Recreation Area
|
released at Polk City Wildlife Area; bird had been caught on south shore of Red Rock Reservoir, Marion County
|
freshwater lake
|
The documentation form by Jim Dinsmore is the earliest and the one that forms the basis of this record. Other observers include Jennifer Lancaster, Tom Miller, Steve Dinsmore, and Roger Sedlacek. | Elimination of similar species: Canada Goose-small size eliminates all but the smallest races; the bird lacked a cheek patch. | The original documentation form event lasted from 11:00:00/08:00:00 next day when they released the bird.
|
Iowa Ornithologists' Union | MS 166
|
8
|
9
|
|
Records Committee review for rare bird sighting of Brant at De Soto National Wildlife Refuge, 1980
|
Administrative records Clippings (information artifacts) Field notes
|
Bird watching Ornithology Ornithology--Societies, etc
|
1980-11-02
|
1993-08-16
|
Rare birds documentation form
|
Records Committee review of a Brant at De Soto National Wildlife Refuge in Harrison County, IA on November 2, 1980. Includes a record review document with votes, an Iowa Bird Life article, and five documentation forms submitted to the committee.
|
Dinsmore, James J.
|
Brant
|
DeSoto National Wildlife Refuge
|
DeSoto Natl. Wildlife Refuge, Harrison Co (shot in NE corner on Iowa side of refuge)
|
Shot in field on refuge
|
The documentation form by James Dinsmore is the earliest and the one that forms the basis of this record. Other documentation forms by Randall G. Sease and Maury J. Muhm were submitted later. Other observers include John Kounas. | Elimination of similar species: Canada Goose-size of hutchin's race but no white cheek patch, otherwise bill size, neck proportions, and overall size matched Hutchins. Brant-not adult because lacked white necklace, not dark race because belly was light. | The original documentation form event lasted from 09:30:00/10:00:00.
|
Iowa Ornithologists' Union | MS 166
|
8
|
9
|
|
Records Committee review for rare bird sighting of Brant at De Soto National Wildlife Refuge, 1988
|
Administrative records Clippings (information artifacts) Field notes
|
Bird watching Ornithology Ornithology--Societies, etc
|
1988-12-18
|
1993-08-04
|
Rare birds documentation form
|
Records Committee review of a Brant at De Soto National Wildlife Refuge in Harrison County, IA on December 18, 1988. Includes a record review document with votes, an article in Iowa Bird Life, a copy of a photo, and eight documentation forms submitted to the committee.
|
Rosenbaum, Mindy
|
Brant
|
DeSoto National Wildlife Refuge
|
In front of De Soto Visitor Center
|
frozen lake
|
The documentation form by Mindy Rosenbaum is the earliest and the one that forms the basis of this record. Other documentation forms by Steve Dinsmore, Robert K. Myers, Jim Fuller, Thomas H. Kent, Tanya Bray, Robert Cecil, and Ross Silcock were submitted later. Other observers include Francis Moore, Babs Padelford, Loren Padelford, John Hoogerheide, Eloise Armstrong, Eugene "Gene" Armstrong, and John Cecil. | The original documentation form event lasted from 14:00:00/14:45:00.
|
Iowa Ornithologists' Union | MS 166
|
8
|
9
|
|
Records Committee review for rare bird sighting of Black-necked Stilt at Snyders Bend Lake, 1991
|
Administrative records Clippings (information artifacts) Field notes
|
Bird watching Ornithology Ornithology--Societies, etc
|
1991-04-06
|
1993-07-17
|
Rare birds documentation form
|
Records Committee review of a Black-necked Stilt at Snyders Bend Lake in Woodbury County, IA on April 6, 1991. Includes a record review document with votes, an article in Iowa Bird Life, and five documentation forms submitted to the committee.
|
Huser, Bill F.
|
Black-necked Stilt
|
Snyder Bend Park
|
Snyder's Bend Lake, Woodbury County, IA
|
Mudflats with mats of vegetation near old cattails
|
The documentation form by Bill Huser is the earliest and the one that forms the basis of this record. Other documentation forms by Bill Huser (additional sightings), Tanya Bray and Ross Silcock, Jim Fuller, and Babs and Loren Padelford were submitted later. Other observers include John Van Dyke, Eloise Armstrong, Eugene Armstrong, Bob Livermore, Bob Moritz, and Jerry Probst. | Elimination of similar species: Phalaropes - smaller, not as distinct black + white pattern or as long legs. Am. Avocet: upturned bill, white or tawny head + necks - not black over white | The original documentation form event occurred from 10:45:00/11:10:00, from 11:25:00/11:55:00, and around 13:30:00.
|
Iowa Ornithologists' Union | MS 166
|
9
|
20
|
|
Records Committee review for rare bird sighting of Black-necked Stilt at Riverton Area, 1992
|
Administrative records Clippings (information artifacts) Field notes Photographs
|
Bird watching Ornithology Ornithology--Societies, etc
|
1992-05-12
|
1996-01-24
|
Rare birds documentation form
|
Records Committee review of a Black-necked Stilt at Riverton Area in Fremont County, IA on May 12, 1992. Includes a record review document with votes, an article in Iowa Bird Life, a photo, and three documentation forms submitted to the committee.
|
Johnson, Ann
|
Black-necked Stilt
|
Riverton Wildlife Management Area
|
Riverton Wildlife Area, Fremont Co., IOWA
|
Broad expanse of mud flats
|
The documentation form by Ann Johnson is the earliest and the one that forms the basis of this record. Other documentation forms by Pam Allen and Thomas H. Kent were submitted later. Other observers include Reid Allen, W. Ross Silcock, and Dick Tetrault. | Elimination of similar species: Identification of a Black-necked Stilt is straight forward. The only other bird in North America which is even remotely similar is the American Avocet. It can be eliminated by the black feathering on the head and neck, straight bill, and pink legs. | The original documentation form event lasted from 14:55:00/16:55:00.
|
Iowa Ornithologists' Union | MS 166
|
9
|
20
|
|
Records Committee review for rare bird sighting of Black-legged Kittiwake at Lake Manawa, 1995
|
Administrative records Clippings (information artifacts) Field notes Photographs
|
Bird watching Ornithology Ornithology--Societies, etc
|
1995-09-24
|
2000-11-20
|
Rare birds documentation form
|
Records Committee review of a Black-legged Kittiwake at Lake Manawa in Pottawattamie County, IA on September 24, 1995. Includes a record review document with votes, two photographs, an article in Audubon Field Notes, an article in Iowa Bird Life, and three documentation forms submitted to the committee.
|
Padelford, Babs Padelford, Loren
|
Black-legged Kittiwake
|
Lake Manawa
|
Lake Manawa, Pottawattamie County, Iowa
|
|
The documentation form by Loren Padelford and Babs Padelford is the earliest and the one that forms the basis of this record. Other documentation forms by Thomas H. Kent and Jim Fuller were submitted later. Other observers include James Kovanda, Sandra Kovanda, Tim Schantz, Pam Allen, Reid Allen, Chuck Fuller, Eugene Armstrong, and Eloise Armstrong. | The original documentation form event lasted from 10:30:00/10:45:00 and 18:15:00/18:20:00.
|
Iowa Ornithologists' Union | MS 166
|
11
|
10
|
|
Records Committee review for rare bird sighting of Black-headed Gull at Jemmerson Slough Wildlife Management Area, 1997
|
Administrative records Clippings (information artifacts) Field notes
|
Bird watching Ornithology Ornithology--Societies, etc
|
1997-07-16
|
2000-11-24
|
Rare birds documentation form
|
Records Committee review of a Black-headed Gull at Jemmerson Slough Wildlife Management Area in Dickinson County, IA on July 16, 1997. Includes a record review document with votes, an article in Iowa Bird Life, and a documentation form submitted to the committee.
|
Proescholdt, Mark
|
Black-headed Gull
|
Jemmerson Slough Wildlife Management Area
|
Jemmerson Slough area - Dickinson County
|
Small water area with land for gulls to roost on
|
The documentation form by Mark Proescholdt is the only one submitted and forms the basis of this record. Another observer is Ed Thelen. | Elimination of similar species: No other gull quite like this one. A Bonaparte's Gull is smaller, has a black bill, and lacks the dark smudge on the underwings. | The original documentation form event lasted from approximately 10:20:00/11:05:00.
|
Iowa Ornithologists' Union | MS 166
|
10
|
21
|
|
Records Committee review for rare bird sighting of Black-bellied Whistling-Duck at Tomahawk Marsh, 1998
|
Administrative records Clippings (information artifacts) Field notes Maps (documents) Photographs
|
Bird watching Ornithology Ornithology--Societies, etc
|
1998-04-10
|
2000-11-24
|
Rare birds documentation form
|
Records Committee review of a Black-bellied Whistling-Duck at Tomahawk Marsh in Sac County on April 10, 1998. Includes a record review document with votes, a photograph, an article in Iowa Bird Life, a map of one of the sightings, and seven documentation forms submitted to the committee.
|
Reisz, Russell
|
Black-bellied Whistling-Duck
|
Tomahawk Marsh Wildlife Management Area
|
Tomahawk Marsh, Sac County, Iowa
|
marsh, wetland
|
The documentation form by Russell Reisz is the earliest and the one that forms the basis of this record. Other documentation forms by Peter Ernzen, Thomas H. Kent, Jim Fuller, Dick Tetrault, Chris Edwards, and Mark Proescholdt were submitted later. Other observers include Beth Proescholdt. | Elimination of similar species: Fulvous Whistling-duck is the most similar species. This species was eliminated because it has a different bill color and a different leg color than the Black-bellied Whistling-duck. The Fulvous Whistling-duck also lacks the white wing patch and the dark belly of the Black-bellied Whistling-duck. These were all points of identification for the species seen at Tomahawk Marsh. | The original documentation form event lasted from 19:58:00/19:58:00.
|
Iowa Ornithologists' Union | MS 166
|
8
|
3
|
|
Records Committee review for rare bird sighting of Black-bellied Whistling-Duck at Big Marsh, 1993
|
Administrative records Clippings (information artifacts) Correspondence Field notes Photographs
|
Bird watching Ornithology Ornithology--Societies, etc
|
1993-11-01
|
1996-04-25
|
Rare birds documentation form
|
Records Committee review of a Black-bellied Whistling-Duck at Big Marsh in Butler County, IA on November 1, 1993. Includes a record review document with votes, correspondence about the bird sighting, two photographs, an article in The Southwestern Naturalist, and a documentation form submitted to the committee.
|
Dinsmore, James J.
|
Black-bellied Whistling-Duck
|
Big Marsh Wildlife Area
|
Big Marsh
|
freshwater marsh
|
The documentation form by Jim Dinsmore is the only one submitted and forms the basis of this record. Other observers include Rodney Steere. | Elimination of similar species: Nothing it could be confused with
|
Iowa Ornithologists' Union | MS 166
|
8
|
3
|
|
Records Committee review for rare bird sighting of Bean Goose at DeSoto National Wildlife Refuge, 1984
|
Administrative records Clippings (information artifacts) Field notes
|
Bird watching Ornithology Ornithology--Societies, etc
|
1984-12-29
|
1994-02-27
|
Rare birds documentation form
|
Records Committee review of a Bean Goose at DeSoto National Wildlife Refuge in Harrison County on December 29, 1984. Includes a record review document with votes, two articles from bird publications, and eight documentation forms submitted to the committee.
|
Grenon, Alan G. Wright, Rick
|
Bean Goose
|
DeSoto National Wildlife Refuge
|
In air over DeSoto Lake, east of Wood Duck Nature Trail, Washington Cty., NE, and Pottowatomie Cty., IA, DeSoto National Wildlife Refuge
|
|
The documentation form by Alan Grenon and Rick Wright is the earliest and the one that forms the basis of this record. Other documentation forms by Loren Padelford and Babs Padelford, Tanya Bray, Francis L. Moore, Thomas H. Kent, Ross Silcock, Barbara L. Wilson, and Steve Dinsmore were submitted later. Other observers include Jim Dinsmore, Betty Grenon, Graham Chisholm, David Starr, B.J. Rose, Duane Bright, Nancy Curry, Al Werthman, and Melba Wigg. | Elimination of similar species: Bird was noticed flying with seven greater white-fronted geese (A. albifrons), first noticed as significantly larger than accompanying A. albifrons, flew pas several times at distances greater than 200m. Some primaries were damaged. The A. albifrons all had visible pink bills, white faces, and speckled bellies (all adults) The A. fabalis was ca. 125% the size of A. albifrons, with a longer neck, longer bill, and a swan-like profile. Underside plain, grading from the dark brown at chin to white at the vent. Gray-brown above, back feathers with contrasting light edges, primaries dark. Bill: significantly longer than A. albifrons, dark with light area near or at tip, long head profile. Feet: orange. White above and at tip of tail as in A. albifrons. | The original documentation form event lasted from 15:00:00/15:30:00.
|
Iowa Ornithologists' Union | MS 166
|
8
|
5
|
|
Records Committee review for rare bird sighting for Whimbrel north of Bartlett in 1995
|
Administrative records Clippings (information artifacts) Field notes
|
Birds--Identification Rare birds
|
1995-05-16
|
2000-11-18
|
Manuscript, graphic, and printed material
|
Records Committee review for Whimbrels north of Bartlett in Mills County, IA on May 16, 1995. Includes a record review document with votes and the original sighting record found in the Spring 1995 Field Report by Babs and Loren Padelford transcribed by Thomas Kent.
|
Iowa Ornithologists' Union Records Committee
|
Whimbrel
|
Bartlett
|
|
|
|
Iowa Ornithologists' Union | MS 166
|
9
|
23
|
|
Records Committee review for rare bird sighting for Western Tanager at Engineer's Cantonment circa 1819
|
Administrative records Clippings (information artifacts) Field notes
|
Birds--Identification Rare birds
|
1823-01-01
|
1993-08-19
|
Manuscript, graphic, and printed material
|
Records Committee review for Western Tanagers at Engineer's Cantonment, IA circa 1819. Includes a record review document with votes, the original sighting record found in the publication Account of an Expedition from Pittsburgh to the Rocky Mountains Performed in the Years 1819 and 1820 by Edwin James seen by Thomas Say, and referenced by another publication.
|
Iowa Ornithologists' Union Records Committee
|
Western Tanager
|
Iowa
|
|
|
|
Iowa Ornithologists' Union | MS 166
|
13
|
29
|
|
Records Committee review for rare bird sighting for Western Bluebird in western Iowa before 1875
|
Administrative records Clippings (information artifacts) Field notes
|
Birds--Identification Rare birds
|
1874-01-01
|
1993-08-26
|
Manuscript, graphic, and printed material
|
Records Committee review for Western Bluebirds in western Iowa before 1875. Includes a record review document with votes, the original sighting record found in the publication Birds of North America in Land Birds, Vol. 3 by S.F. Baird, T.M. Brewer, and R. Ridgway seen by Mr. Atkinson, and referenced by six other publications.
|
Iowa Ornithologists' Union Records Committee
|
Western Bluebird
|
Iowa
|
|
|
|
Iowa Ornithologists' Union | MS 166
|
13
|
4
|
|
Records Committee review for rare bird sighting for Western Bluebird at western Iowa before 1889
|
Administrative records Clippings (information artifacts) Field notes
|
Birds--Identification Rare birds
|
1889-02-01
|
1994-02-04
|
Manuscript, graphic, and printed material
|
Records Committee review for Western Bluebirds at western Iowa before 1889. Includes a record review document with votes, the original sighting record found in the publication Preliminary Annotated Catalogue of the Birds of Iowa in the Proceedings of the Davenport Academy of Natural Sciences 5:113-161 by Charles R. Keyes and H.S. Williams also seen by Mr. Atkinson, and referenced by another publication.
|
Iowa Ornithologists' Union Records Committee
|
Western Bluebird
|
Iowa
|
|
|
|
Iowa Ornithologists' Union | MS 166
|
13
|
4
|
|
Records Committee review for rare bird sighting for Vermillion Flycatcher at Carter Lake in 1954
|
Administrative records Clippings (information artifacts) Field notes
|
Birds--Identification Rare birds
|
1955-04-01
|
1996-04-25
|
Manuscript, graphic, and printed material
|
Records Committee review for Vermillion Flycatcher at Carter Lake in Pottawattamie County, IA on November 21, 1954. Includes a record review document with votes and the original sighting record found in the publication The Vermilion Flycatcher in Nebraska in Nebraska Bird Review 23:28-29 by W.F. Rapp, Jr. seen by R.G. and Grace Cortelyou.
|
Iowa Ornithologists' Union Records Committee
|
Vermilion Flycatcher
|
Carter Lake
|
|
|
|
Iowa Ornithologists' Union | MS 166
|
9
|
22
|
|
Records Committee review for rare bird sighting for Whooping Crane at northernmost dike at Riverton Area in 1963
|
Administrative records Clippings (information artifacts) Field notes
|
Birds--Identification Rare birds
|
1964-03-01
|
1993-08-27
|
Manuscript, graphic, and printed material
|
Records Committee review for two Whooping Cranes at northernmost dike at Riverton Area in Fremont County, IA on October 23, 1963. Includes a record review document with votes and the original sighting record found in the publication Whooping Cranes in Iowa in Iowa Bird Life 34:26 by Carl W. Matherly.
|
Iowa Ornithologists' Union Records Committee
|
Whooping Crane
|
Riverton Wildlife Management Area
|
|
|
|
Iowa Ornithologists' Union | MS 166
|
9
|
17
|
|
Records Committee review for rare bird sighting for Rock Wren at Sioux City in 1899
|
Administrative records Clippings (information artifacts) Field notes
|
Birds--Identification Birdsongs Rare birds
|
1907-03-01
|
1994-02-04
|
Manuscript, graphic, and printed material
|
Records Committee review for two to three Rock Wrens at Sioux City in Woodbury County, IA on June 1, 1899. Includes a record review document with votes and the original sighting record found in the publication Birds of Iowa by Rudolph Martin Anderson seen by Guy C. Rich.
|
Iowa Ornithologists' Union Records Committee
|
Rock Wren
|
Sioux City
|
|
|
|
Iowa Ornithologists' Union | MS 166
|
13
|
1
|
|
Records Committee review for rare bird sighting for Hoary Redpoll at Buffalo Creek Conservation Area in 1978
|
Administrative records Clippings (information artifacts) Field notes
|
Birds--Identification Rare birds
|
1978-02-28
|
1993-08-26
|
Manuscript, graphic, and printed material
|
Records Committee review for two to five Hoary Redpolls at Buffalo Creek Conservation Area in Kossuth County, IA on February 12, 1978. Includes a record review document with votes, the original sighting record found in the field notes submitted by Ray Cummins, and referenced in the publication Field Reports in Iowa Bird Life 48(1):47-52 by Nicholas S. Halmi.
|
Iowa Ornithologists' Union Records Committee
|
Hoary Redpoll
|
Buffalo Creek State Game Management Area
|
|
|
|
Iowa Ornithologists' Union | MS 166
|
14
|
16
|
|
Records Committee review for rare bird sighting of Thayer's Gull at Saylorville Dam, 1989
|
Administrative records Clippings (information artifacts) Field notes Photographs
|
Bird watching Ornithology Ornithology--Societies, etc
|
1989-12-07
|
1993-08-06
|
Rare birds documentation form
|
Records Committee review for two Thayer's Gulls at Saylorville Dam in Polk County, IA on December 7, 1989. Includes a record review document with votes, a photocopy of a photograph on the cover page of Iowa Bird Life, and a documentation form submitted to the committee.
|
Dinsmore, Stephen J.
|
Thayer's Gull
|
Saylorville Dam
|
Saylorville Reservoir, Polk Co.
|
large reservoir
|
The documentation form by Steve Dinsmore is the only one submitted and forms the basis of this record. | Elimination of similar species: The size, uniform body and wing color, pale underside of the flight feathers, and tail band eliminates Herring and Glaucous/Iceland gulls, the most likely candidates for confusion. | The original documentation form event lasted from 14:04:00/16:42:00.
|
Iowa Ornithologists' Union | MS 166
|
11
|
3
|
|
Records Committee review for rare bird sighting of Thayer's Gull at Lake Manawa, 1981
|
Administrative records Clippings (information artifacts) Correspondence Field notes
|
Bird watching Ornithology Ornithology--Societies, etc
|
1981-03-19
|
1993-08-26
|
Rare birds documentation form
|
Records Committee review for two Thayer's Gulls at Lake Manawa in Pottawattamie County, IA on March 19, 1981. Includes a record review document with votes, correspondence and comments about the sighting, an article in Iowa Bird Life, and four documentation forms submitted to the committee.
|
Silcock, W. Ross
|
Thayer's Gull
|
Lake Manawa
|
Lake Manawa, Pottawattamie County, Iowa.
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The documentation form by Ross Silcock is the earliest and the one that forms the basis of this record. Other documentation forms by Thomas H. Kent, Peter C. Petersen, and Robert K. Myers were submitted later. Other observers include Tom Shires, James Kovanda, Sandra Kovanda, Tanya Bray, Babs Padelford, Loren Padelford, B.J. Rose, and four unidentified other observers. | Elimination of similar species: The above description separates by direct comparison first-year Thayer's and Herring Gulls, the most similar species present. Thayer's may be confused in first year plumage with Kumlien's form of Iceland Gull, but the Thayer's had primaries slightly darker than the mantle (from above), whereas the opposite occurs in Iceland Gull (Lehman). Lehman also notes that some first-year Western Gulls may show translucent primaries from below in certain light, but these observations took place in excellent light at fairly close range. | The original documentation form event lasted from approximately 09:30:00/11:00:00.
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Iowa Ornithologists' Union | MS 166
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11
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3
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Records Committee review for rare bird sighting for Sprague's Pipit north of La Porte City in 1962
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Administrative records Clippings (information artifacts) Field notes
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Birds--Identification Rare birds
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1962-09-01
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1994-01-28
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Manuscript, graphic, and printed material
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Records Committee review for two Sprague's Pipits north of La Porte City in Black Hawk County, IA on May 27, 1962. Includes a record review document with votes, a request for reconsideration of the record, the original sighting record found in the publication Both Pipits at Waterloo in Iowa Bird Life 32(3):58-59 by Myrle Burk seen by six members of the Waterloo Audubon Society, and referenced by another publication.
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Iowa Ornithologists' Union Records Committee
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Sprague's Pipit
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La Porte City
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Iowa Ornithologists' Union | MS 166
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13
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13
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