|
Records Committee review for rare bird sighting for Great-tailed Grackle at Ames, 1987
|
Administrative records Field notes
|
Bird watching Ornithology Ornithology--Societies, etc
|
1987-12-19
|
1993-09-07
|
Rare birds documentation form
|
Records Committee review for a Great-tailed Grackle at Ames in Story County, IA on December 19, 1987. Includes a record review document with votes and two documentation forms submitted to the committee.
|
Niyo, Kayleen
|
Great-tailed Grackle
|
Ames
|
Max Bailey Farm on Dayton Rd. N.E. of Ames
|
Spruce Windbreak
|
The documentation form by Kay Niyo is the earliest and the one that forms the basis of this record. Another documentation form by John Richard was submitted later. Another observer was Judy Shearer. | Elimination of similar species: Common grackle - this bird was much larger with a much longer tail. Common crow - this bird was not quite as large, had a much longer tail than a crow, bill was long & grackle shaped, not as a crow, & body stance was like a grackle not a crow. Ani - bill and body shape & carriage was grackle-like. | The original documentation form event occurred around 16:00:00.
|
Iowa Ornithologists' Union | MS 166
|
14
|
9
|
|
Records Committee review for rare bird sighting for Great-tailed Grackle at Mills County, 1984
|
Administrative records Field notes
|
Bird watching Ornithology Ornithology--Societies, etc
|
1984-12-22
|
1993-09-01
|
Rare birds documentation form
|
Records Committee review for a Great-tailed Grackle in Mills County, IA on December 22, 1984. Includes a record review document with votes and two documentation forms submitted to the committee.
|
Padelford, Loren
|
Great-tailed Grackle
|
Mills County
|
2.8 miles south of the intersection of Iowa 370 and U.S. 275. Mills Co., Iowa.
|
Deciduous trees near farmstead.
|
The documentation form by Loren J. Padelford is the earliest and the one that forms the basis of this record. Another documentation form by Ross Silcock was submitted later. Another observer was Jerry Toll. | Elimination of similar species: The only other species similar in appearances the boat-tailed grackle. I was not close enough to observe eye color but the length of the tail in relation to body length rules out that species. The great-tailed grackle has been expanding its range into southern Iowa and Nebraska in recent years with documented nesting success in both states. | The original documentation form event lasted from 08:00:00/08:00:30.
|
Iowa Ornithologists' Union | MS 166
|
14
|
9
|
|
Records Committee review for rare bird sighting for Great-tailed Grackle at IPL Ponds, 1984
|
Administrative records Field notes
|
Bird watching Ornithology Ornithology--Societies, etc
|
1984-06-21
|
1993-09-01
|
Rare birds documentation form
|
Records Committee review for two Great-tailed Grackle at IPL Ponds in Pottawattamie County, IA on June 21, 1984. Includes a record review document with votes, a summary of the review, and a documentation form submitted to the committee.
|
Moore, Francis L.
|
Great-tailed Grackle
|
MidAmerican Energy Ponds
|
Iowa Power & Light Cooling Ponds, just South of Council Bluffs, Pottawattamie Co., Ia.
|
Open water ponds, small areas of cattails near edge.
|
The documentation form by Francis L. Moore is the only one submitted and forms the basis of this record. Another observer was Ross Silcock. | Elimination of similar species: Female Common Grackle is not as brown as the female Great-tailed that was seen Flat-headed male separates it from Boat-tailed. No other female blackbird has this brown a coloration. | The original documentation form event lasted from 15:35:00/15:45:00.
|
Iowa Ornithologists' Union | MS 166
|
14
|
9
|
|
Records Committee review for rare bird sighting for Great-tailed Grackle at Finn Pond, 1984
|
Administrative records Field notes
|
Bird watching Ornithology Ornithology--Societies, etc
|
1984-05-17
|
1993-09-01
|
Rare birds documentation form
|
Records Committee review for two Great-tailed Grackles at Finn Pond in Greene County, IA on May 17, 1984. Includes a record review document with votes, a summary of the review, and two documentation forms submitted to the committee.
|
Brown, Mike
|
Great-tailed Grackle
|
Finn Pond Wildlife Area
|
Finn Pond; 1 1/2 mi west of Jefferson, Greene Co., IA T83N R31W Sec 2
|
Prairie Marsh; River Bulrush Dominate
|
The documentation form by Mike Brown is the earliest and the one that forms the basis of this record. Another documentation form by Jim Dinsmore was submitted later. | Elimination of similar species: Common Grackle - too small, tail shape & feather coloration. Boat-tailed Grackle - range. | The original documentation form event lasted from 05:30:00/07:00:00 and around 16:00:00.
|
Iowa Ornithologists' Union | MS 166
|
14
|
9
|
|
Records Committee review for rare bird sighting for Great-tailed Grackle at Riverton Area, 1984
|
Administrative records Field notes
|
Bird watching Ornithology Ornithology--Societies, etc
|
1984-05-15
|
1993-09-01
|
Rare birds documentation form
|
Records Committee review for a Great-tailed Grackle at Riverton Area in Fremont County, IA on May 15, 1984. Includes a record review document with votes and a documentation form submitted to the committee.
|
Kent, Thomas H. (Thomas Hugh), 1934-
|
Great-tailed Grackle
|
Riverton Wildlife Management Area
|
Riverton A, near headquarters, Fremont Co., IA
|
open area with a few trees near water area
|
The documentation form by Thomas H. Kent is the only one submitted and forms the basis of this record. Another observer was Ross Silcock. | Elimination of similar species: The large size, long tail and voice convince me it was not a Common Grackle. Unfortunately, we were not able to study the bird for more than a minute. | The original documentation form event lasted from 06:30:00/06:32:00.
|
Iowa Ornithologists' Union | MS 166
|
14
|
9
|
|
Records Committee review for rare bird sighting for Great-tailed Grackle at Riverton Area, 1983
|
Administrative records Clippings (information artifacts) Field notes
|
Bird watching Ornithology Ornithology--Societies, etc
|
1983-07-01
|
1993-09-01
|
Rare birds documentation form
|
Records Committee review for three to four Great-tailed Grackles at Riverton Area in Fremont County, IA on July 1, 1983. Includes a record review document with votes, an article in Iowa Bird Life, and five documentation forms submitted to the committee.
|
Silcock, W. Ross
|
Great-tailed Grackle
|
Riverton Wildlife Management Area
|
Riverton GMA
|
|
The documentation form by Ross Silcock is the earliest and the one that forms the basis of this record. Other documentation forms by Francis L. Moore, Barbara L. Wilson, Peter Petersen, and Mike Newlon were submitted later. Other observers include Tayce Pederson, Homer Pederson, Jean Pederson, Mary Lou Petersen, Corey Blevins, Joe Schaufenbuel, Steve Dinsmore, Gordon Jones, Carl Bendorf, and Thomas Staudt. | Elimination of similar species: During most sightings, chucking sounds typical of grackles were heard, but on the initial sighting, squealing sounds apparently characteristic of this species were heard.
|
Iowa Ornithologists' Union | MS 166
|
14
|
9
|
|
Records Committee review for rare bird sighting for Great-tailed Grackle at Glenwood, 1983
|
Administrative records Field notes
|
Bird watching Ornithology Ornithology--Societies, etc
|
1983-05-19
|
1993-09-01
|
Rare birds documentation form
|
Records Committee review for two Great-tailed Grackles at Glenwood in Mills County, IA on May 19, 1983. Includes a record review document with votes, a summary of the review, and two documentation forms submitted to the committee.
|
Bray, Tanya
|
Great-tailed Grackle
|
Glenwood
|
Flooded field at approx. Mile marker 37 on the northbound Interstate 29; three miles north of the Glenwood (highway 34) exit.
|
|
The documentation form by Tanya Bray is the earliest and the one that forms the basis of this record. Another documentation form by Babs Padelford was submitted later. Another observer was Sandy Kovanda. | The original documentation form event occurred around 15:15:00.
|
Iowa Ornithologists' Union | MS 166
|
14
|
9
|
|
Records Committee review for rare bird sighting for Varied Thrush southeast of Monticello, 1980
|
Administrative records Clippings (information artifacts) Field notes
|
Bird watching Ornithology Ornithology--Societies, etc
|
1980-02-09
|
1993-08-16
|
Rare birds documentation form
|
Records Committee review for a Varied Thrush southeast of Monticello in Jones County, IA on February 9, 1980. Includes a record review document with votes, an article in Iowa Bird Life, and two documentation forms submitted to the committee.
|
Thompson, Fred K.
|
Varied Thrush
|
Monticello
|
Paul Whear's Home Monticello, Ia
|
Home and feeder located in large Cedar Grove
|
The documentation form by Fred Thompson is the earliest and the one that forms the basis of this record. Another documentation form by Thomas Kent was submitted later. Other observers include Pete Wickham, Tim Gates, Paul Whear, Michael Newlon, Thomas Shires, Cal Knight, and Bernie Knight were submitted later. | Elimination of similar species: Robin - Eating bird seed (8) | The original documentation form event lasted from 10:00:00/10:05:00.
|
Iowa Ornithologists' Union | MS 166
|
13
|
9
|
|
Records Committee review for rare bird sighting for Eurasian Collared Dove at Rutland, 1999
|
Administrative records Field notes
|
Bird watching Ornithology Ornithology--Societies, etc
|
1999-06-15
|
2000-11-28
|
Rare birds documentation form
|
Records Committee review for six Eurasian Collared Doves at Rutland in Humboldt County, IA during late June, 1999. Includes a record review document with votes and a documentation form submitted to the committee.
|
Smeltzer, John F.
|
Eurasian Collared Dove
|
Rutland
|
Town of Rutland, Humboldt County, Iowa
|
Seen repeatedly and photographed at bird feeder/waterer.
|
The documentation form by John F. Smeltzer, Jr. is the only one submitted and forms the basis of this record. Other observers include entire Smeltzer family (wife, daughter, son, father, mother, and brother). | Elimination of similar species: Mourning dove.....they were too large and the wrong color. Common pigeon.....too small, wrong color as well. Ringed dove......domestic and too fragile for the environment they were surviving in.
|
Iowa Ornithologists' Union | MS 166
|
12
|
9
|
|
Records Committee review for rare bird sighting of Great Black-backed Gull near Bettendorf, 1993
|
Administrative records Field notes
|
Bird watching Ornithology Ornithology--Societies, etc
|
1993-02-28
|
1995-07-08
|
Rare birds documentation form
|
Records Committee review for a Great Black-backed Gull near Bettendorf in Scott County, IA on February 28, 1993. Includes a record review document with votes and a documentation form submitted to the committee.
|
Fuller, James L
|
Great Black-backed Gull
|
Ben Butterworth Parkway
|
Mississippi River between Bettendorf, Iowa and Moline, Illinois (Scott Co.).
|
|
The documentation form by Jim Fuller is the only one submitted and forms the basis of this record. | Elimination of similar species: [...] In the middle of the group was a gull that was darker than any of the other birds, even the immature Herring Gulls. [...] In general size, this bird appeared almost twice the size of the Ring-billed Gulls, and considerably larger than the Herring Gulls, maybe 25%. It also had a massive bill compared to either of those species. [...] The legs were a dull gray-pink, and they were noticeably thicker than those of the Herring or Ring-billed Gulls. | The original documentation form event lasted from 11:05:00/11:35:00.
|
Iowa Ornithologists' Union | MS 166
|
11
|
8
|
|
Records Committee review for rare bird sighting of a Great Black-backed Gull at Whitebreast Point in Red Rock Reservoir, 1994
|
Administrative records Field notes
|
Bird watching Ornithology Ornithology--Societies, etc
|
1994-12-17
|
1996-04-25
|
Rare birds documentation form
|
Records Committee review for a Great Black-backed Gull at Whitebreast Point in Red Rock Reservoir in Marion County, IA on December 17, 1994. Includes a record review document with votes and a documentation form submitted to the committee.
|
Johnson, Ann
|
Great Black-backed Gull
|
White Breast Creek
|
Whitebreast Point, Red Rock Reservoir, Marion Co., IA
|
Flying over open water and ice
|
The documentation form by Ann Johnson is the only one submitted and forms the basis of this record. Another observer includes Tim Schantz. | Elimination of similar species: Large size (larger than Herring) eliminated most others. White head and black and white checkering eliminate Lesser Black-backed and Herring. | The original documentation form event lasted from 10:40:00/10:45:00.
|
Iowa Ornithologists' Union | MS 166
|
11
|
8
|
|
Records Committee review for rare bird sighting of Great Black-backed Gull at Black Hawk Lake, 1994
|
Administrative records Field notes
|
Bird watching Ornithology Ornithology--Societies, etc
|
1994-10-23
|
1996-04-25
|
Rare birds documentation form
|
Records Committee review for a Great Black-backed Gull at Black Hawk Lake in Sac County, IA on October 23, 1994. Includes a record review document with votes and a documentation form submitted to the committee.
|
Ernzen, Peter
|
Great Black-backed Gull
|
Black Hawk Lake
|
Black hawk Lake
|
Lake
|
The documentation form by Pete Ernzen is the only one submitted and forms the basis of this record. Other observers include Bob Livermore. | Elimination of similar species: [...] Because I did not see the bird from front I could not eliminate other species - However due to its extreme size I eliminated all other species. | The original documentation form event lasted from 10:34:00/10:34:30.
|
Iowa Ornithologists' Union | MS 166
|
11
|
8
|
|
Records Committee review for rare bird sighting for Great Black-backed Gull near the Keokuk Wastewater Treatment Plant, 1993
|
Administrative records Field notes
|
Bird watching Ornithology Ornithology--Societies, etc
|
1993-12-25
|
1995-07-08
|
Rare birds documentation form
|
Records Committee review for a Great Black-backed near the Keokuk Wastewater Treatment Plant in Lee County, IA on December 25, 1993. Includes a record review document with votes and a documentation form submitted to the committee.
|
Cecil, Robert I.
|
Great Black-backed Gull
|
Keokuk Wastewater Plant
|
Near Sewage treatment plant, Mississippi River, Keokuk, Lee Co. IA
|
River
|
The documentation form by Bob Cecil is the only one submitted and forms the basis of this record. Other observers include John Cecil. | Elimination of similar species: All other gulls eliminated based upon size alone. | The original documentation form event lasted from 14:00:00/14:30:00 and around 16:00:00.
|
Iowa Ornithologists' Union | MS 166
|
11
|
8
|
|
Records Committee review for rare bird sighting of Greater Black-backed Gull at George Wyth State Park, 1980
|
Administrative records Field notes
|
Bird watching Ornithology Ornithology--Societies, etc
|
1980-04-03
|
1993-08-16
|
Rare birds documentation form
|
Records Committee review for a Greater Black-backed Gull at George Wyth State Park in Black Hawk County, IA on April 3, 1980. Includes a record review document with votes and a documentation form submitted to the committee.
|
Stone, Tom, Jr.
|
Great Black-backed Gull
|
George Wyth Memorial State Park
|
George Wyth S.P.
|
Wooded area and open lakes, river. Specific - George wyth lake about 10 acres marshy nearby ponds and lakes, and the Cedar River.
|
The documentation form by Tom Stone, Jr. is the only one submitted and forms the basis of this record. | Elimination of similar species: second year Herring Gull is alot smaller and has a two-tone coloring of the beak. And beak is not as heavily built. | The original documentation form event lasted from approximately 17:00:00/17:15:00.
|
Iowa Ornithologists' Union | MS 166
|
11
|
8
|
|
Records Committee review for rare bird sighting of Great Black-backed Gull at Sandpiper Beach at Saylorville Reservoir, 1992
|
Administrative records Clippings (information artifacts) Field notes
|
Bird watching Ornithology Ornithology--Societies, etc
|
1992-03-07
|
1994-10-18
|
Rare birds documentation form
|
Records Committee review for a Great Black-backed Gull at Sandpiper Beach at Saylorville Lake in Polk County, IA on March 7, 1992. Includes a record review document with votes, an article in Iowa Bird Life, and a documentation form submitted to the committee.
|
Sinclair, Jim
|
Great Black-backed Gull
|
Sandpiper Recreation Area
|
Sandpiper Beach ,Saylorville Lake
|
Beach
|
The documentation form by Jim Sinclair is the only one submitted and forms the basis of this record. | Elimination of similar species: The only gull which approaches the Gr. Bl-backed in size is the Glaucous Gull - this species would not have a dark tail band or dark secondaries or an all dark bill | The original documentation form event occurred around 11:30:00.
|
Iowa Ornithologists' Union | MS 166
|
11
|
8
|
|
Records Committee review for rare bird sighting of Great Black-backed Gull at Lock 19 in Keokuk, 1991
|
Administrative records Clippings (information artifacts) Field notes
|
Bird watching Ornithology Ornithology--Societies, etc
|
1991-02-07
|
1993-07-17
|
Rare birds documentation form
|
Records Committee review for a Great Black-backed Gull at Lock 19 in Keokuk in Lee County, IA on February 7, 1991. Includes a record review document with votes, an article in Iowa Bird Life, comparison of different gull sightings, and two documentation forms submitted to the committee.
|
Dinsmore, Stephen J.
|
Great Black-backed Gull
|
Lock Number 19
|
Lock 19, Keokuk, Lee Co.
|
|
The documentation form by Steve Dinsmore forms the basis of this record. Another documentation form by Ann Johnson was submitted. Another observer was Beth Brown. | Elimination of similar species: The black mantle really eliminates most other gulls. Western Gull, a remote possibility, is smaller and has a slightly paler mantle. | The original documentation form event lasted from 13:10:00/15:40:00 on February 7, 1991 and 13:32:00/14:20:00 on February 8, 1991.
|
Iowa Ornithologists' Union | MS 166
|
11
|
8
|
|
Records Committee review for rare bird sighting of Great Black-backed Gull near Bettendorf, 1991
|
Administrative records Clippings (information artifacts) Field notes Charts (graphic documents)
|
Bird watching Ornithology Ornithology--Societies, etc
|
1991-01-14
|
1993-07-17
|
Rare birds documentation form
|
Records Committee review for rare bird sighting of a Great Black-backed Gull near Bettendorf in Scott County, IA on January 14, 1991. Includes a record review document with votes, an article in Iowa Bird Life, appraisal and comparison of relevant bird sightings, and two documentation forms submitted to the committee.
|
Fuller, James L
|
Great Black-backed Gull
|
Bettendorf
|
Mississippi River between Bettendorf, Iowa, and Moline, Illinois. The bird was at times in both states.
|
Ice floes and open water of Mississippi River.
|
The documentation form by Jim Fuller forms the basis of this record. Another documentation form by Thomas H. Kent was submitted. Other observers include Dick Tetrault, Peter Petersen, Ann Barker, Eugene Armstrong, Eloise Armstrong, and Chuck Fuller. | Elimination of similar species: Western gull is the same size as herring gull, as is slaty backed gull and lesser black backed gull is smaller than herring. The very large legs and bill would also speak against lesser black-backed and slaty-backed. | The original documentation form event lasted from 11:05:00/11:40:00 on January 14, 1991 and 07:41:00/07:48:00 and 08:12:00/08:28:00 on January 17, 1991.
|
Iowa Ornithologists' Union | MS 166
|
11
|
8
|
|
Records Committee review for rare bird sighting of Great Black-backed Gull at Davenport, 1989
|
Administrative records Field notes
|
Bird watching Ornithology Ornithology--Societies, etc
|
1989-12-13
|
1993-08-06
|
Rare birds documentation form
|
Records Committee review for a Great Black-backed Gull at Davenport in Scott County, IA on December 13, 1989. Includes a record review document with votes and two documentation forms submitted to the committee.
|
Kent, Thomas H. (Thomas Hugh), 1934-
|
Great Black-backed Gull
|
Davenport
|
Davenport, Scott Co., Iowa
|
Mississippi River north of Credit Is.
|
The documentation form by Thomas H. Kent forms the basis of this record. Another documentation form by Jim Fuller was submitted. | Elimination of similar species: Size, all black upper wing and back, large head and bill, pink legs eliminate all other black-backed gulls. | The original documentation form event lasted from 13:40:00/13:55:00.
|
Iowa Ornithologists' Union | MS 166
|
11
|
8
|
|
Records Committee review for rare bird sighting for Great Black-backed Gull east of Lock and Dam 15 in Davenport, 1988
|
Administrative records Field notes
|
Bird watching Ornithology Ornithology--Societies, etc
|
1988-12-18
|
1993-08-04
|
Rare birds documentation form
|
Records Committee review for a Great Black-backed Gull at Lock and Dam 15 in Davenport in Scott County, IA on December 18, 1988. Includes a record review document with votes and two documentation forms submitted to the committee.
|
Petersen, Peter C.
|
Great Black-backed Gull
|
Lock and Dam 15
|
Missisippi River just E (upstream) of Lock 15 in Davenport
|
river ice
|
The documentation form by Peter C. Petersen is the earliest and the one that forms the basis of this record. Another documentation form by Jim Fuller was submitted later. Other observers include Mary Lou Petersen, Walter Zuurdeeg, Ann Barker, and Don Moeller. | Elimination of similar species: Lesser Black-backed Gull - this bird too large, mantle color too dark, legs color was pink, not yellow. | The original documentation form event lasted from 11:40:00/11:50:00 and 13:00:00/13:05:00.
|
Iowa Ornithologists' Union | MS 166
|
11
|
8
|
|
Records Committee review for rare bird sighting of Great Black-backed Gull at Sandpiper Beach at Saylorville Reservoir, 1988
|
Administrative records Field notes
|
Bird watching Ornithology Ornithology--Societies, etc
|
1988-12-10
|
1993-08-04
|
Rare birds documentation form
|
Records Committee review for a Great Black-backed Gull at Sandpiper Beach at Saylorville Reservoir in Polk County, IA on December 10, 1988. Includes a record review document with votes and a documentation form submitted to the committee.
|
Engebretsen, Bery
|
Great Black-backed Gull
|
Sandpiper Recreation Area
|
Saylorville
|
Specific: Big end of Saylorville Specific: off Sandpiper Beach, half in ice, half open
|
The documentation form by Bery Engebretsen is the only one submitted and forms the basis of this record. Another observer includes Eugene Armstrong. | Elimination of similar species: Larger than Herring gull would seem to eliminate Lesser BB, also, only one dark secondary band on wing white head + large size unlike immature Herring Gull. | The original documentation form event lasted from approximately 11:00:00/11:15:00.
|
Iowa Ornithologists' Union | MS 166
|
11
|
8
|
|
Records Committee review for rare bird sighting of Great Black-backed Gull at Jester Park at Saylorville Reservoir, 1987
|
Administrative records Field notes
|
Bird watching Ornithology Ornithology--Societies, etc
|
1987-11-07
|
1993-09-07
|
Rare birds documentation form
|
Records Committee review for a Great Black-backed Gull at Jester Park at Saylorville Reservoir in Polk County, IA on November 7, 1987. Includes a record review document with votes and a documentation form submitted to the committee.
|
Dinsmore, Stephen J.
|
Great Black-backed Gull
|
Jester Park
|
Saylorville Reservoir, Polk Co.-off Jester Park
|
feeding with other gulls on large reservoir
|
The documentation form by Steve Dinsmore is the only one submitted and forms the basis of this record. Another observer includes Andy Fix. | Elimination of similar species: The large size and dark wingtips eliminates all gulls except Western and Yellow-footed. The massive, dark bill, tail pattern, and pale body color eliminates these. | The original documentation form event lasted from approximately 10:15:00/10:20:00.
|
Iowa Ornithologists' Union | MS 166
|
11
|
8
|
|
Records Committee review for rare bird sighting of Great Black-backed Gull near the Ben Butterworth Parkway in Moline, 1986
|
Administrative records Field notes
|
Bird watching Ornithology Ornithology--Societies, etc
|
1986-12-21
|
1993-09-07
|
Rare birds documentation form
|
Records Committee review for a Great Black-backed Gull near the Ben Butterworth Parkway in Moline in Rock Island County, IL on December 21, 1986. Includes a record review document with votes, summary of review, and six documentations submitted to the committee.
|
Sandvick, Gil
|
Great Black-backed Gull
|
Ben Butterworth Parkway
|
Ben Butterworth Parkway Miss. River - Il. side
|
|
The documentation by Gil Sandvick is the earliest and the one that forms the basis of this record. Other documentations by Thomas H. Kent, James Fuller, Carl Bendorf, Mary Lou Petersen and Peter C. Petersen, and Francis Moore were submitted later. Other observers include Doris Sandvick, Carol Rogers, Tim Dwyer, Al Hahn, Cal Knight, Ann Barker, Betty Hunt, Kelly McKay, Lewis Blevins, Brian Blevins, Corey Blevins, and other unidentified observers. | Elimination of similar species: [...] It was standing with approx eight Herring gulls. "It really stood out." [...] 1. Using Robbins + Peterson books confirming Herring. Great Black-Backed and Lesser Black Gull we eliminated by size to 24"-26". 2. His overall appearance including bill, head and body seemed much larger and fuller than the Herring gulls. | The original documentation form event lasted from 15:35:00/16:05:00 on December 21, 1986 and 10:00:00/11:00:00 on December 23, 1986.
|
Iowa Ornithologists' Union | MS 166
|
11
|
8
|
|
Records Committee review for rare bird sighting of Great Black-backed Gull at Red Rock Reservoir, 1986
|
Administrative records Field notes
|
Bird watching Ornithology Ornithology--Societies, etc
|
1986-12-03
|
1993-09-07
|
Rare birds documentation form
|
Records Committee review for a Great Black-backed Gull at Red Rock Reservoir in Marion County, IA on December 3, 1986. Includes a record review document with votes and a documentation submitted to the committee.
|
Petersen, Peter C.
|
Great Black-backed Gull
|
Lake Red Rock
|
Seen from Hwy 14 bridge across Red Rock Res.
|
|
The documentation by Peter C. Petersen is the only one submitted and forms the basis of this record. Another observer includes Gil Sandvick. | Elimination of similar species: [...] Herring Gull eliminated by large size, small amount of dark brown on tail, light head + rump. Also lacked light area on inner primaries noted in the nearby Herring Gull. | The original documentation form event lasted from 14:35:00/14:35:30.
|
Iowa Ornithologists' Union | MS 166
|
11
|
8
|
|
Records Committee review for rare bird sighting of Great Black-backed Gull at Triboji Beach at West Okoboji Lake, 1982
|
Administrative records Clippings (information artifacts) Field notes
|
Bird watching Ornithology Ornithology--Societies, etc
|
1982-07-14
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1993-09-01
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Rare birds documentation form
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Records Committee review for a Great Black-backed Gull at Triboji Beach at West Okoboji Lake in Dickinson County, IA on July 14, 1982. Includes a record review document with votes, summary of review, an article of Iowa Bird Life, and two documentation forms submitted to the committee.
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Hinshaw, Linda
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Great Black-backed Gull
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Triboji Beach
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N. end of West Okoboji Lake in an area called Triboji Beach on the end of the dock of Earl Rose 1/2 block east of Lee's Resort. Saw same bird fly out into the water.
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Large fresh water "blue lake" with sandy shore. Shoreline all developed in housing + resorts.
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The documentation form by Linda Hinshaw forms the basis of this record. Another documentation form by Douglas Harr was submitted. Other observers include Earl Rose, Fleta Rose, Robert Hinshaw, Gwen Hedin, Curt Hedin, Loraine Wallace, Pearle Osher, LaVonne Foote, and Nina Loehr. | Elimination of similar species: It was too large to be a lesser Black Backed Gull + legs were flesh colored, not yellow. Also much too large to be the Western Gull listed in the Golden Field Guide - 'Birds of North America." | The original documentation form event lasted from 18:30:00/18:50:00 and 19:30:00/20:15:00.
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Iowa Ornithologists' Union | MS 166
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11
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8
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Records Committee review for rare bird sighting of Great Black-backed Gull at Lake Manawa, 1978
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Administrative records Clippings (information artifacts) Field notes
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Bird watching Ornithology Ornithology--Societies, etc
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1978-12-06
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1993-08-19
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Rare birds documentation form
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Records Committee review for a Great Black-backed Gull at Lake Manawa in Pottawattamie County, IA on December 6, 1978. Includes a record review document with votes, articles in Nebraska Bird Review, Iowa Bird Life, and American Birds, and two documentation forms submitted to the committee.
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Green, Ruth
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Great Black-backed Gull
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Lake Manawa
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Lake Manawa, Council Bluffs, Iowa
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Most of Lake Manawa was frozen over at this time but there were small patches of open water. The bird was standing on the ice at the edge of one of these patches.
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The documentation form by Ruth Green forms the basis of this record. Another documentation form by Sandra S. Kovanda and James Kovanda, Jr. was submitted. | Elimination of similar species: There were only two gulls at this time there--this bird and the glaucous. | The original documentation form event lasted from approximately 16:30:00/17:00:00.
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Iowa Ornithologists' Union | MS 166
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11
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8
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