Records committee review for rare bird sighting of Lesser Black-backed Gull at Red Rock Dam, 1989
|
Administrative records Field notes
|
Bird watching Ornithology Ornithology--Societies, etc
|
1989-10-05
|
1993-08-06
|
Rare birds documentation form
|
Records committee review for a Lesser Black-backed Gull at Red Rock Dam in Marion County, IA on October 5, 1989. Includes a record review document with votes and four documentation forms submitted to the committee.
|
Johnson, Ann
|
Lesser Black-backed Gull
|
Red Rock Dam
|
Below Red Rock Dam, near Pella, Marion Co., IA
|
River with numerous sand and gravel bars
|
The documentation form by Ann Johnson forms the basis of this record. Other documentation forms by Jim Sinclair, Raymond Cummins, and James Fuller were submitted. Other observers include Marlys Huff, David Youngblut, Pete Wickham, John Daniel, and Ken Lowder. | Elimination of similar species: Great Black-backed Gull- The bird was not large enough nor was the bill as massive. The great black-backed should also show a whiter head and lighter inner primaries and the back would be more of a checkerboard than the scaliness of this bird. Herring Gull- Because of variability, eliminating the herring was more problematic. Size was not particularly helpful initially in that this bird was near the second-year herring gull for such a brief time that I really couldn't make comparison. The variable sizes of ring-bills were of no help because next to some it looked huge and next to others it was only some larger. Some subtle differences were helpful in making this bird "look different" but I don't believe they could be considered sufficient. The checkered, scaly look was more pronounced than most juvenile herrings. The wings seemed long as they extended beyond the tail. The bill was entirely black and the tail band more distinct than most juvenile herrings. The color distinction between the head/tail and body from a distance were also helpful. The clincher, however, was during flight when no "windows" were visible on the inner primaries and the dark secondary coverts created a wide, dark trailing edge to the wing. These flight indicators, as well as size differential, were confirmed on the 23 October sighting. | The original documentation form event lasted from 15:10:00/16:00:00 and 16:15:00/16:40:00.
|
Iowa Ornithologists' Union | MS 166
|
11
|
5
|
Field reports, Jon Stravers, fall 1989
|
Field notes
|
Bird watching Birds--Identification Weather
|
1989-10-07
|
1989-10-31
|
Manuscript, graphic, and printed material
|
Field reports submitted by Jon Stravers for the fall of 1989 with detailed descriptions of the sightings. This item was used as supporting documentation for the Iowa Ornithologists' Union Quarterly field report of fall 1989.
|
Stravers, Jon
|
Double-crested Cormorant Peregrine Falcon
|
Grinnell Lake Red Rock
|
|
|
|
Iowa Ornithologists' Union | MS 166
|
24
|
1
|
Records Committee review for rare bird sighting of Black Rail at McBreen Marsh Wildlife Area, 1989
|
Administrative records Field notes
|
Bird watching Ornithology Ornithology--Societies, etc
|
1989-10-08
|
1993-08-05
|
Rare birds documentation form
|
Records Committee review of a Black Rail at McBreen Marsh Wildlife Area in Dickinson County, IA on October 8, 1989. Includes a record review document with votes, an article in Iowa Bird Life, and a documentation form submitted to the committee.
|
Hansen, James L.
|
Black Rail
|
McBreen Marsh
|
South end of a restored wetland on the north side of the McBreen Marsh Wildlife Area, 4 mi. NW of Spirit Lake, Dickinson Co.
|
Was in 3 20-30' diam. clumps of river bulrush surrounded by mudflats
|
The documentation form by James L. Hansen is the only one submitted and forms the basis of this record. Other observers include Jeffrey K. Hansen. | Elimination of similar species: Sora and Virginia Rail - was smaller and different color (black) than these. Yellow rail - wrong color, also | The original documentation form event lasted from 11:15:00/11:30:00.
|
Iowa Ornithologists' Union | MS 166
|
9
|
12
|
Records Committee review for rare bird sighting of Little Gull at Sandpiper Beach at Saylorville Reservoir, 1989
|
Administrative records Clippings (information artifacts) Correspondence Field notes Photographs
|
Bird watching Ornithology Ornithology--Societies, etc
|
1989-10-08
|
1996-01-25
|
Rare birds documentation form
|
Records Committee review for a Little Gull at Sandpiper Beach at Saylorville Reservoir in Polk County, IA on October 8, 1989. Includes a record review document with votes, correspondence about the request for reevaluation of record, a photograph, photocopy of two photographs, an article in Iowa Bird Life, and three documentation forms submitted to the committee.
|
Dinsmore, Stephen J.
|
Little Gull
|
Sandpiper Recreation Area
|
Saylorville Reservoir, Polk Co.-seen off Sandpiper Beach Recreation Area
|
seen flying over large reservoir with several Ring-billed Gulls
|
The documentation form by Steve Dinsmore is the earliest and the one that forms the basis of this record. Other documentation forms by Pam Allen and Reid Allen were submitted later. | Elimination of similar species: The bird was obviously too small to be one of the larger gulls, like a Ring-billed or a Herring gull. The very pale mantle, dark spot behind each eye, and lack of black on the top of the primaries eliminates Franklin's and Laughing gulls. The black underside of the flight feathers, pale gray mantle and wings, white wingtips, and rounded wings eliminates Bonaparte's and Sabine's gulls and kittiwakes. The square tail and wing pattern eliminates Ross' Gull. The smaller size, black underside of the flight feathers, lack of a white "wedge" on the upper surface of the outer primaries, rounder wings, and lack of black on the upper surface of the primaries eliminates Common Black-headed Gull. | The original documentation form event lasted from 09:30:00/09:34:00.
|
Iowa Ornithologists' Union | MS 166
|
10
|
20
|
Iowa Birdline update, October 9, 1989
|
Field notes
|
Bird watching Dial-a-message telephone calls
|
1989-10-09
|
N/A
|
Manuscript, graphic, and printed material
|
Notes for the Iowa Birdline update for October 9, 1989. Highlights include a Little Gull, Surf Scoters and a Prairie Falcon.
|
Iowa Ornithologists' Union Fuller, James L
|
Prairie Falcon Northern Goshawk Surf Scoter Osprey Peregrine Falcon Common Snipe Black-billed Cuckoo Orange-crowned Warbler Little Gull
|
Laurens Saylorville Lake Fairfield Badger Creek State Recreation Area Palo Marsh County Park
|
|
|
|
Iowa Ornithologists' Union | MS 166
|
41
|
2
|
Iowa Birdline update, October 16, 1989
|
Field notes
|
Bird watching Dial-a-message telephone calls
|
1989-10-16
|
N/A
|
Manuscript, graphic, and printed material
|
Notes for the Iowa Birdline update for October 16, 1989. Highlights include a winter plumaged Lesser Black-backed Gull standing with Herring Gulls.
|
Iowa Ornithologists' Union Fuller, James L
|
Prairie Falcon Western Grebe Merlin Herring Gull Lesser Black-backed Gull Semipalmated Plover Buff-breasted Sandpiper American Golden Plover Eastern Screech-Owl
|
Big Creek Lake Des Moines Red Rock Dam Sandpiper Recreation Area
|
|
|
|
Iowa Ornithologists' Union | MS 166
|
41
|
2
|
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
|
Iowa Birdline update, October 23, 1989
|
Field notes
|
Bird watching Dial-a-message telephone calls
|
1989-10-23
|
N/A
|
Manuscript, graphic, and printed material
|
Notes for the Iowa Birdline update for October 23, 1989. Highlights include a Pacific Loon, Horned Grebes and Surf, White-winged and Black Scoters.
|
Iowa Ornithologists' Union Fuller, James L
|
Horned Grebe Pacific Loon Black Scoter Lesser Black-backed Gull Common Loon Surf Scoter White-winged Scoter Spotted Towhee Pine Siskin
|
Keokuk Lake Red Rock Saylorville Lake Fairfield Badger Creek State Recreation Area
|
|
|
|
Iowa Ornithologists' Union | MS 166
|
41
|
2
|
Records Committee review rare bird sighting of Arctic Loon at Saylorville Reservoir, 1989
|
Administrative records Field notes
|
Bird watching Ornithology Ornithology--Societies, etc
|
1989-10-28
|
1996-04-25
|
Rare birds documentation form
|
Records Committee review for an Arctic Loon at Saylorville Reservoir in Polk County, IA on October 28, 1989. Includes a record review document with votes, and a documentation form in the form of a letter from Ken Lowder to Thomas H. Kent with Geri Langham receiving a copy as well on September 16, 1994 submitted to the committee.
|
Lowder, Ken
|
Arctic Loon
|
Saylorville Dam
|
I saw the bird at the dam at Saylorville Lake
|
|
The documentation letter by Ken Lowder is the only one submitted and forms the basis of this record. Other observers include John Daniel. | Elimination of similar species: It acted differently from the Common Loons. When it dove, it "reared back" its head, as though it were "winding up" for the dive. The Common Loons did not do this. In the Walsh article, this behavior is discussed. On page 26 of his article, Walsh states that "both Pacific and Artic Loons have similar diving motions." I do not believe our bird was a Pacific Loon. I base this judgement on overall body size, bill size, and the distribution of white coloration in the head/neck, waterline, and flank areas. Our bird was essentially similar size-wise to the accompanying Common Loons. The bill was also similar to Common Loon. It was not upturned and this as I would have expected with Red-throated Loon.
|
Iowa Ornithologists' Union | MS 166
|
7
|
6
|
Records Committee review for rare bird sighting of Thayer's Gull at IPL Ponds in Pottawattamie County, 1989
|
Administrative records Field notes
|
Bird watching Ornithology Ornithology--Societies, etc
|
1989-10-29
|
1993-08-06
|
Rare birds documentation form
|
Records Committee review for a Thayer's Gull at IPL Ponds in Pottawattamie County, IA on October 29, 1989. Includes a record review document with votes and three documentation forms submitted to the committee.
|
Grenon, Alan G.
|
Thayer's Gull
|
MidAmerican Energy Ponds
|
Iowa, Pottawattamie County, south of Council Bluffs, the north pond of the Iowa Power and Light plant's ponds, two miles north of the county line (three miles north of the Bellevue exit on I-29), just east of Interstate highway 29.
|
|
The documentation form by Alan G. Grenon forms the basis of this record. Other documentation forms by Babs Padelford and Ross Silcock were submitted. Other observers include B.J. Rose, Doug Rose, Loren Padelford as well as four unidentified observers. | Elimination of similar species: The most likely similar species are Iceland and Herring Gulls. Iceland Gull (first winter) is eliminated by the combination of the following characters: wing-tip darker than body at rest; wing-tip and secondaries darker above than remainder of wing; tail marked above by a darker band covering most of the distal portion; a possible darker area around the eye. Herring Gull (first winter) is eliminated by the combination of the following characters: wing-tip at rest brown-tan, not black; wing-tip and secondary bar tan in flight, not black; primaries with thin, pale tips; tail bar tan, not black; bill all dark; bill and head delicate; bill thin. Glaucous Gull would have been larger relative to Ring-billed Gulls, with a massive bill light with a dark tip, large head, and wing-tips and secondaries would not have been darker than other upper parts. California Gull (first winter) would have black or near-black primaries, secondaries, tail, and a mostly pale bill with a black tip. Glaucous-winged Gull and hybrids thereof eliminated by bill and head structure and body size all smaller/finer in this bird, tail and wing pattern. AG. | The original documentation form event occurred around 09:30:00 on October 29, 1989, from 11:30:00/12:15:00 and around 14:00:00 on the October 30, 1989.
|
Iowa Ornithologists' Union | MS 166
|
11
|
3
|
Records Committee review for rare bird sighting of Jaeger Species at Riverview Cemetery in Algona, 1989
|
Administrative records Field notes
|
Bird watching Ornithology Ornithology--Societies, etc
|
1989-10-29
|
1993-07-21
|
Rare birds documentation form
|
Records Committee review of two Jaeger species birds at Riverview Cemetery in Algona in Kossuth County, IA on October 29, 1989. Includes a record review document with votes and a documentation form submitted to the committee.
|
Kenne, Matthew C.
|
Jaegers
|
Riverview Cemetery
|
Riverview Cemetery Algona, Ia.
|
fly-over hill overlooking Des Moines River valley
|
The documentation form by Matthew Kenne is the only one submitted and forms the basis of this record. | Elimination of similar species: Wrong color for a gull, no terminal tail bands, no gray, no white except for the lightness at the base of primaries, no darker primaries (black wingtips). Bill was gull-like, but hooked mail different. May have been exagerated [sic] by a darker color than basal portion. Flight was direct and strong, a "confident" feel I get from birds of prey. | The original documentation form event occurred around an estimated 11:15:00.
|
Iowa Ornithologists' Union | MS 166
|
10
|
13
|
Iowa Birdline update, October 30, 1989
|
Field notes
|
Bird watching Charadriiformes | Shore-birds, Gulls, and Auks Waterfowl Dial-a-message telephone calls
|
1989-10-30
|
N/A
|
Manuscript, graphic, and printed material
|
Notes for the Iowa Birdline update for October 30, 1989. Highlights include several good water bird sightings.
|
Iowa Ornithologists' Union Fuller, James L
|
Rough-legged Hawk Pacific Loon Black Scoter Lesser Black-backed Gull Common Loon Surf Scoter White-winged Scoter Hooded Merganser Pine Siskin
|
Coralville Lake Lake Red Rock Saylorville Lake Fairfield MidAmerican Energy Ponds
|
|
|
|
Iowa Ornithologists' Union | MS 166
|
41
|
2
|
Records Committee review for rare bird sighting of Common Black-headed Gull at Cherry Glen Recreation Area at Saylorville Reservoir, 1989
|
Administrative records Clippings (information artifacts) Field notes Photographs
|
Bird watching Ornithology Ornithology--Societies, etc
|
1989-11-02
|
1993-08-05
|
Rare birds documentation form
|
Records Committee review for a Common Black-headed Gull at Cherry Glen Recreation Area at Saylorville Reservoir in Polk County, IA on November 2, 1989. Includes a record review document with votes, an article in Iowa Bird Life, photocopies of four photographs, and two documentation forms submitted to the committee.
|
Dinsmore, Stephen J.
|
Black-headed Gull
|
Cherry Glen Recreation Area
|
Saylorville Reservoir, Polk Co.-off 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. Another documentation form by B.J. Rose was submitted later. Other observers include Doug Rose, Roger Rose, and Ken Lowder. | Elimination of similar species: Because of the fairly small size and conspicuous dark spot behind each eye, the bird must have been a Bonaparte's, Little, Common Black-headed, or Ross' gull, or a kittiwake. Separation from Bonaparte's Gull is discussed above. Little Gull eliminated by its smaller size, dark bill, lack of any black color on the upperwing, and uniformly dark underside to the flight feathers. Ross' Gull eliminated by tail shape, bill size and color, and darker underwing. Both kittiwakes eliminated by bill color, lighter mantle color, and differences in wing pattern. | The original documentation form event lasted from 16:17:00/16:42:00.
|
Iowa Ornithologists' Union | MS 166
|
10
|
21
|
Records Committee review for rare bird sighting of Pacific Loon at IPL Ponds, 1989
|
Administrative records Field notes
|
Bird watching Ornithology Ornithology--Societies, etc
|
1989-11-05
|
1993-08-05
|
Rare birds documentation form
|
Records Committee review for a Pacific Loon at the IPL Ponds in Pottawattamie County, IA on November 5, 1989. Includes a record review document with votes and a documentation form submitted to the committee.
|
Silcock, W. Ross
|
Pacific Loon
|
Pottawattamie County
|
IPL South Pond, Pottawattamie County, IA
|
Artificial impoundment
|
The documentation form by Ross Silcock is the earliest and the one that forms the basis of this record. Other observers include B.J. Rose, Doug Rose, Roger Rose, and Pete Wickham. | Elimination of similar species: Common Loon- Cleancut black-white demarcation and eye surrounded by dark feathering; chinstrap. Red-throated Loon - Dark feathering (not greyish as in most red-throats). Bill held level-symmetrical dagger-like bill chinstrap. | The original documentation form event lasted from 11:45:00/12:15:00.
|
Iowa Ornithologists' Union | MS 166
|
7
|
7
|
Records Committee review for rare bird sighting of Thayer's Gull at North Overlook Beach at Red Rock Reservoir, 1989
|
Administrative records Field notes
|
Bird watching Ornithology Ornithology--Societies, etc
|
1989-11-06
|
1993-08-06
|
Rare birds documentation form
|
Records Committee review for a Thayer's Gull at North Overlook Beach at Red Rock Reservoir in Marion County, IA on November 6, 1989. Includes a record review document with votes and a documentation form submitted to the committee.
|
Johnson, Ann
|
Thayer's Gull
|
North Overlook Park
|
North Overlook Beach, Lake Red Rock, Marion Co, IA
|
Sandy beach on man-made reservoir
|
The documentation form by Ann Johnson is the only one submitted and forms the basis of this record. | Elimination of similar species: Iceland Gull - basically eliminated by darker color and narrow chocolate edges to outer primaries. Kumlien's - presence of tail band would seem to eliminate Herring - eliminated by combination of: structure and size of body and bill; shape of head; more uniform coloration above, especially lighter colored primaries; light flight feathers from below contrasting with darker wing lining; lighter color of tail band | The original documentation form event lasted from 10:30:00/10:35:00.
|
Iowa Ornithologists' Union | MS 166
|
11
|
3
|
Iowa Birdline update, November 6, 1989
|
Field notes
|
Bird watching Birds--Migration Waterfowl Dial-a-message telephone calls
|
1989-11-06
|
N/A
|
Manuscript, graphic, and printed material
|
Notes for the Iowa Birdline update for November 6, 1989. Highlights include the sighting of a Black-headed Gull as waterfowl migration reaches full swing.
|
Iowa Ornithologists' Union Fuller, James L
|
Horned Grebe Snow Bunting Red-breasted Merganser Western Grebe Pacific Loon Ross' Goose Black Scoter Dunlin Black-headed Gull
|
Rathbun Lake Saylorville Lake DeSoto National Wildlife Refuge Lake MacBride MidAmerican Energy Ponds
|
|
|
|
Iowa Ornithologists' Union | MS 166
|
41
|
2
|
Records Committee review for rare bird sighting for Thayer's Gull at Red Rock Dam, 1989
|
Administrative records Field notes
|
Bird watching Ornithology Ornithology--Societies, etc
|
1989-11-08
|
1993-08-06
|
Rare birds documentation form
|
Records Committee review for a Thayer's Gull at Red Rock Dam in Marion County, IA on November 8, 1989. Includes a record review document with votes and a documentation form submitted to the committee.
|
Proescholdt, Beth
|
Thayer's Gull
|
Red Rock Dam
|
Red Rock
|
below dam
|
The documentation form by Beth Proescholdt is the only one submitted and forms the basis of this record. Another observer includes Mark Proescholdt. | Elimination of similar species: It was lighter + more evenly colored than a Herring Gull, larger than Ring-billed, too dark for an Iceland too small for a Glaucous. | The original documentation form event lasted from 08:50:00/09:00:00.
|
Iowa Ornithologists' Union | MS 166
|
11
|
3
|
Records Committee review for rare bird sighting of Red-throated Loon at Saylorville Reservoir, 1989
|
Administrative records Field notes
|
Bird watching Ornithology Ornithology--Societies, etc
|
1989-11-08
|
1993-08-05
|
Rare birds documentation form
|
Records Committee review for a Red-throated Loon at Saylorville Reservoir in Polk County, IA on November 8, 1989. Includes a record review document and a documentation form submitted to the committee. IOU record review document has incorrect date of November 8, 1990 instead of correct date of November 8, 1989.
|
Dinsmore, Stephen J.
|
Red-throated Loon
|
Saylorville Lake
|
Saylorville Reservoir, Polk Co.-off Cherry Glen Rec. Area
|
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 small size, head posture, small head, and short, thin, upturned bill eliminates other loons. | The original documentation form event lasted from 16:02:00/16:40:00.
|
Iowa Ornithologists' Union | MS 166
|
7
|
5
|
Records Committee review for rare bird sighting for Barrow's Goldeneye at IPL Ponds, 1989
|
Administrative records Clippings (information artifacts) Field notes
|
Bird watching Ornithology Ornithology--Societies, etc
|
1989-11-12
|
1993-08-05
|
Rare birds documentation form
|
Records Committee review for a Barrow's Goldeneye at Iowa Power and Light plant ponds in Pottawattamie County, IA on November 12, 1989. Includes a record review document with votes, an article in Iowa Bird Life, and a documentation form submitted to the committee.
|
Grenon, Alan G.
|
Barrow's Goldeneye
|
MidAmerican Energy Ponds
|
Iowa, Pottawattamie County, south of Council Bluffs, the south pond of the Iowa Power and Light plant's ponds, two miles north of the county line (three miles north of the Bellevue exit on I-29); also present was Betty Grenon.
|
|
The documentation form by Alan G. Grenon is the only one submitted and forms the basis of this record. Another observer was Betty Grenon. | Elimination of similar species: A large oblong crescent was between the eye and bill, the head was of a different shape than the Commons, being longer behind than they were. The back had more black and less white than the Commons, having a white mark, almost a line, curving up and back from near the shoulder, in an otherwise all-black back (as seen). The eye was light, white to yellow. In flight, its back had more black an less white than nearby flying Common Goldeneye. Other than noted, it was similar to the Common Goldeneye in size, form, and behavior. | The original documentation form event lasted from 09:30:00/10:20:00.
|
Iowa Ornithologists' Union | MS 166
|
8
|
21
|
Iowa Birdline update, November 13, 1989
|
Field notes
|
Bird watching Dial-a-message telephone calls
|
1989-11-13
|
N/A
|
Manuscript, graphic, and printed material
|
Notes for the Iowa Birdline update for November 13, 1989. Highlights include White-wing Crossbills at Spencer and a Lesser Black-backed Gull and thousands of Ring-billed Gulls at Lake Red Rock.
|
Iowa Ornithologists' Union Fuller, James L
|
Ring-billed Gull Horned Grebe Carolina Wren American White Pelican White-winged Crossbill Common Redpoll Long-tailed Duck Western Grebe Lesser Black-backed Gull
|
Lacey-Keosauqua State Park Lake Red Rock Pleasant Creek State Park Rippey Saylorville Lake Spencer
|
|
|
|
Iowa Ornithologists' Union | MS 166
|
41
|
2
|
Iowa Birdline update, November 20, 1989
|
Field notes
|
Bird watching Dial-a-message telephone calls
|
1989-11-20
|
N/A
|
Manuscript, graphic, and printed material
|
Notes for the Iowa Birdline update for November 20, 1989. Highlights include sightings of a California Gull and Trumpeter and Tundra Swans.
|
Iowa Ornithologists' Union Fuller, James L
|
White-winged Crossbill Trumpeter Swan California Gull Northern Saw-whet Owl Snow Goose Tundra Swan Sandhill Crane Northern Shrike Mallard
|
Credit Island Hickory Hill Park Ruthven Spirit Lake Wayne County DeSoto National Wildlife Refuge
|
|
|
|
Iowa Ornithologists' Union | MS 166
|
41
|
2
|
Iowa Birdline update, November 20, 1989, part two
|
Field notes
|
Bird watching Dial-a-message telephone calls
|
1989-11-20
|
N/A
|
Manuscript, graphic, and printed material
|
Notes for the Iowa Birdline update for November 20, 1989. Highlights include a White-winged Crossbill invasion with several reports coming in of sightings across the state.
|
Iowa Ornithologists' Union Fuller, James L
|
Bald Eagle Rough-legged Hawk White-winged Crossbill Long-tailed Duck Trumpeter Swan Northern Goshawk California Gull Golden Eagle Tundra Swan
|
Big Creek Lake Credit Island Dallas County Saylorville Lake Wayne County Pool 9
|
|
|
|
Iowa Ornithologists' Union | MS 166
|
41
|
2
|
Records Committee review for rare bird sighting of California Gull at Credit Island, 1989
|
Administrative records Clippings (information artifacts) Correspondence Field notes
|
Bird watching Ornithology Ornithology--Societies, etc
|
1989-11-23
|
1993-07-21
|
Rare birds documentation form
|
Records Committee review for a California Gull at Credit Island in Scott County, IA on November 23, 1989. Includes a record review document with votes, an article in Iowa Bird Life, correspondence about the sighting from Louise Augustine to Carl Bendorf, and three documentation forms submitted to the committee.
|
Augustine, Louise
|
California Gull
|
Credit Island
|
Credit Island - Davenport, Iowa - Scott County
|
This is an unfamiliar Area for me - I have never birded there before - The Place Credit Island - Backwater of Mississippi River - There was some ICE and open water - Many Gulls were in this Backwater area - on ice and in water. Probably around 1,500 Gulls -
|
The documentation form by Louise Augustine forms the basis of this record. Other documentation forms by Peter C. Petersen and Jim Fuller were submitted. Other observers include Randy Pinkston, Mary Lou Petersen, Jerome Augustine, David Augustine, and Julie Augustine. | Elimination of similar species: Herring Gull - darker mantle - Dark eye - Leg Color - ashy-green gray not Pink - smaller size - slimmer build Ring-billed Gull - mantle too dark - dark eye - Bill had only a spot Leg Color not yellow - This bird larger than Ring-billed gulls - | The original documentation form event lasted from 12:00:00/13:00:00.
|
Iowa Ornithologists' Union | MS 166
|
11
|
1
|
Records Committee review for rare bird sighting of Thayer's Gull at Credit Island, 1989
|
Administrative records Field notes
|
Bird watching Ornithology Ornithology--Societies, etc
|
1989-11-24
|
1993-08-06
|
Rare birds documentation form
|
Records Committee review for a Thayer's Gull at Credit Island in Scott County, IA on November 24, 1989. Includes a record review document with votes and a documentation form submitted to the committee.
|
Petersen, Peter C.
|
Thayer's Gull
|
Credit Island
|
Credit Island harbor
|
ice covered Miss. River backwater
|
The documentation form by Peter C. Petersen is the only one submitted and forms the basis of this record. Other observers include Jim Fuller, Brian Blevins, Corey Blevins, Lewis Blevins, Thomas H. Kent, John Daniels, and Ken Lowder. | Elimination of similar species: Herring Gull - dark brown primary tips, lacked silvery below wings. lack smudge on head | The original documentation form event lasted from 08:45:00/08:50:00 and 15:30:00/15:45:00.
|
Iowa Ornithologists' Union | MS 166
|
11
|
3
|
Records Committee review for rare bird sighting of Thayer's Gull at Lock and Dam 19 at Keokuk, 1989
|
Administrative records Field notes Photographs
|
Bird watching Ornithology Ornithology--Societies, etc
|
1989-11-24
|
1993-08-06
|
Rare birds documentation form
|
Records Committee review for two Thayer's Gulls at Lock and Dam 19 at Keokuk in Lee County, IA on November 24, 1989. Includes a record review document with votes, four photographs, and a documentation form submitted to the committee.
|
Cecil, Robert I.
|
Thayer's Gull
|
Lock Number 19
|
Behind Lock and Dam 19 at Keokuk in Lee County, Iowa (Iowa side)
|
River (Mississippi)
|
The documentation form by Robert Cecil is the only one submitted and forms the basis of this record. Other observers include John Cecil, Tom Kent, and Francis Moore. | Elimination of similar species: Only probable similar species is Herring, which has contrasty wings - dark trailing edge and darker wingtips. The Thayer's were obviously a lighter shade of brown than any Herrings present. I judged these birds to be somewhat smaller than any Herring. I could not totally rule out first year Glaucous-winged. According to NGS, Glaucous-wing has less mottling or scalloping. The Keokuk birds were obviously mottled. | The original documentation form event lasted from 11:05:00/11:30:00.
|
Iowa Ornithologists' Union | MS 166
|
11
|
3
|