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Rare bird documentation form for Western Grebe at Saylorville Reservoir, 1986
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1986-09-13
|
1986-09-20
|
Rare birds documentation form
|
Rare bird documentation form for a Western Grebe at Saylorville Reservoir in Polk County, IA on September 13, 1986.
|
Dinsmore, Stephen J.
|
Western Grebe
|
Saylorville Lake
|
Saylorville Reservoir
|
large lake
|
The documentation form by Steve Dinsmore is the only one submitted and forms the basis of this record. | Elimination of similar species: All loons were eliminated by the long neck, unmarked back, bill shape and color, and white flanks. Clark's Grebe was eliminated by the darker back and dark cheek which included the eye. | The original documentation form event lasted from 12:20:00/12:30:00.
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Iowa Ornithologists' Union | MS 166
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32
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15
|
|
Rare bird documentation form for Black-legged Kittiwake at Red Rock Reservoir, 1996
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1996-11-30
|
N/A
|
Rare birds documentation form
|
Rare bird documentation form for a Black-legged Kittiwake at Red Rock Reservoir in Marion County, IA on November 30, 1996.
|
Dinsmore, Stephen J.
|
Black-legged Kittiwake
|
Lake Red Rock
|
Red Rock Reservoir, Marion Co., IA
|
large lake
|
The documentation form by Stephen J. Dinsmore is the only one submitted and forms the basis of this record. Other observers include Jim Sinclair. | Elimination of similar species: The black collar and wing and tail patterns eliminate all other gulls. | The original documentation form event lasted from 15:05:00/15:21:00.
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Iowa Ornithologists' Union | MS 166
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34
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40
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Rare bird documentation form for Sabine's Gull at Saylorville Reservoir, 1998
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1998-10-25
|
1998-10-26
|
Rare birds documentation form
|
Rare bird documentation form for a Sabine's Gull at Saylorville Reservoir in Polk County, IA on October 25, 1998.
|
Dinsmore, Stephen J.
|
Sabine's Gull
|
Saylorville Lake
|
Saylorville Reservoir, Polk Co., IA
|
large lake
|
The documentation form by Stephen J. Dinsmore is the only one submitted and forms the basis of this record. Other observers include Bery Engebretsen. | Elimination of similar species: The combination of small size, forked tail, and upperwing pattern eliminates other small gulls, especially Little Gull and Black-legged Kittiwake in first-basic plumage. | The original documentation form event lasted from 07:28:00/08:55:00.
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Iowa Ornithologists' Union | MS 166
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34
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39
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Rare bird documentation form for Long-tailed Duck at Saylorville Reservoir, 1986
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1986-11-28
|
N/A
|
Rare birds documentation form
|
Rare bird documentation form for a Long-tailed Duck at Saylorville Reservoir in Polk County, IA on November 28, 1986.
|
Dinsmore, Stephen J.
|
Long-tailed Duck
|
Saylorville Lake
|
Saylorville Reservoir, Polk Co. (near Jester Park)
|
large lake
|
The documentation form by Steve Dinsmore is the only one submitted and forms the basis of this record. | Elimination of similar species: No other duck shows so much white color and a stubby, dark bill. | The original documentation form event lasted from 15:50:00/16:05:00.
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Iowa Ornithologists' Union | MS 166
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33
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14
|
|
Rare bird documentation form for Western Grebe at Lake Panorama, 1998
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1998-12-22
|
1999-01-04
|
Rare birds documentation form
|
Rare bird documentation form for a Western Grebe at Lake Panorama in Guthrie County, Iowa in December 22, 1998.
|
Dinsmore, Stephen J.
|
Western Grebe
|
Lake Panorama
|
Lake Panorama, Guthrie County, Iowa
|
large lake
|
The documentation form by Stephen J. Dinsmore is the only one submitted and forms the basis of this record. Other observers include Raymond Cummins. | Elimination of similar species: Clark's Grebe was eliminated on the basis of dull yellow-green bill color and dark color around the eye. The longer neck, smaller body, and bill color eliminate all species of loons. | The original documentation form event lasted from 08:07:00/09:32:00.
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Iowa Ornithologists' Union | MS 166
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32
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15
|
|
Rare bird documentation form for Eared Grebe at Red Rock Reservoir, 1998
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1998-12-19
|
1999-01-04
|
Rare birds documentation form
|
Rare bird documentation form for an Eared Grebe at Red Rock Reservoir in Marion County, IA on December 19, 1998.
|
Dinsmore, Stephen J.
|
Eared Grebe
|
Lake Red Rock
|
Red Rock Reservoir, Marion County, Iowa
|
large lake
|
The documentation form by Stephen J. Dinsmore is the only one submitted and forms the basis of this record. Other observers include Maridel Jackson. | Elimination of similar species: The only species this bird could have been confused with was Horned Grebe. The combination of head shape, smaller, thinner bill, darker foreneck and cheek, and white 'crescent' mark on cheek eliminated Horned Grebe in basic plumage. | The original documentation form event lasted from 09:14:00/10:05:00.
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Iowa Ornithologists' Union | MS 166
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32
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14
|
|
Rare bird documentation form for Red-necked Grebe at Big Creek Lake, 1996
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1996-05-11
|
N/A
|
Rare birds documentation form
|
Rare bird documentation form for a Red-necked Grebe at Big Creek Lake in Polk County, IA on May 11, 1996.
|
Dinsmore, Stephen J.
|
Red-necked Grebe
|
Big Creek Lake
|
Big Creek L., Polk Co., IA
|
large lake
|
The documentation form by Stephen J. Dinsmore is the only one submitted and forms the basis of this record. Other observers include Bery Engebretsen. | Elimination of similar species: The shape was obviously that of a grebe. The bird was much too large for a Horned or Eared grebe, both of which were seen within an hour of this sighting. The combination of large size, white throat/cheek patch, and bill size and color eliminates all other grebes. | The original documentation form event lasted from 09:50:00/10:35:00.
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Iowa Ornithologists' Union | MS 166
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32
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13
|
|
Rare bird documentation form for Red-necked Grebe at Saylorville Reservoir, 1996
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1996-05-11
|
N/A
|
Rare birds documentation form
|
Rare bird documentation form for a Red-necked Grebe at Saylorville Reservoir in Polk County, IA on May 11, 1996.
|
Dinsmore, Stephen J.
|
Red-necked Grebe
|
Saylorville Lake
|
Saylorville Res., Polk Co., IA
|
large lake
|
The documentation form by Stephen J. Dinsmore is the only one submitted and forms the basis of this record. Other observers include Bery Engebretsen. | Elimination of similar species: The large size and bill color and size all eliminate other grebes. Note that we had just seen another Red-necked Grebe on nearby Big Creek L. 2 hours earlier. | The original documentation form event lasted from 12:05:00/12:40:00.
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Iowa Ornithologists' Union | MS 166
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32
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13
|
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Rare bird documentation form for Red-necked Grebe at Saylorville Reservoir, 1986
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1986-11-24
|
1986-11-25
|
Rare birds documentation form
|
Rare bird documentation form for a Red-necked Grebe at Saylorville Reservoir in Polk County, IA on November 24, 1986.
|
Dinsmore, Stephen J.
|
Red-necked Grebe
|
Saylorville Lake
|
Saylorville Reservoir, Polk Co.
|
large lake
|
The documentation form by Steve Dinsmore is the only one submitted and forms the basis of this record. | Elimination of similar species: Western Grebe eliminated by its longer neck, thinner bill, and lack of a white crescent on the cheek. | The original documentation form event lasted from 14:35:00/14:50:00.
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Iowa Ornithologists' Union | MS 166
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32
|
13
|
|
Rare bird documentation form for Red-necked Grebe at Big Creek State Park, 1985
|
Field notes Forms (documents)
|
Birds--Identification Ornithology Rare birds
|
1985-10-20
|
N/A
|
Rare birds documentation form
|
Rare bird documentation form for a Red-necked Grebe at Big Creek State Park in Polk County, IA on October 20, 1985.
|
Dinsmore, Stephen J.
|
Red-necked Grebe
|
Big Creek State Park
|
Big Creek SP, Polk County
|
large lake
|
The documentation form by Steve Dinsmore is the only one submitted and forms the basis of this record. Other observers include Jim Sinclair. | Elimination of similar species: The size and longer, thicker bill eliminate Horned and Eared Grebes. The bird was not large enough to be a W. Grebe. The white on the leading edge of the wing and long neck also eliminate loons, and W. or Clark's Grebe. | The original documentation form event lasted from 10:30:00/10:40:00.
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Iowa Ornithologists' Union | MS 166
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32
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13
|
|
Rare bird documentation form for Red-necked Grebe at Saylorville Reservoir, 1986
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1986-09-29
|
N/A
|
Rare birds documentation form
|
Rare bird documentation forms for a Red-necked Grebe at Saylorville Reservoir near Jester Park in Polk County, IA on September 29, 1986.
|
Dinsmore, Stephen J.
|
Red-necked Grebe
|
Jester Park
|
Saylorville Reservoir-near Jester Park
|
large lake
|
The documentation form by Steve Dinsmore is the only one submitted and forms the basis of this record. | Elimination of similar species: The combination of large size, buffy color on the neck and breast, white throat, and yellowish bill eliminates all other grebes. | The original documentation form event lasted from 17:05:00/17:25:00.
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Iowa Ornithologists' Union | MS 166
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32
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13
|
|
Rare bird documentation form for Red-necked Grebe at Saylorville Reservoir, 1986
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1986-11-08
|
1986-11-22
|
Rare birds documentation form
|
Rare bird documentation for a Red-necked Grebe at Saylorville Reservoir in Polk County, IA on November 8, 1986.
|
Dinsmore, Stephen J.
|
Red-necked Grebe
|
Saylorville Lake
|
Saylorville Reservoir, Polk Co.
|
large lake
|
The documentation form by Steve Dinsmore is the only one submitted and forms the basis of this record. | Elimination of similar species: The yellow bill, size, and light crescent on the cheek eliminates all other grebes. | The original documentation form event lasted from 12:15:00/12:20:00.
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Iowa Ornithologists' Union | MS 166
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32
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13
|
|
Rare bird documentation form for Red-necked Grebe at Trumbull Lake, 1981
|
Field notes Forms (documents)
|
Birds--Identification Ornithology Rare birds
|
1981-05-08
|
1981-05-10
|
Rare birds documentation form
|
Rare bird documentation form for a Red-necked Grebe at Trumbull Lake in Clay County, IA on May 8, 1981.
|
Brewer, Marion M.
|
Red-necked Grebe
|
Trumbull Lake
|
South end of Trumble [sic] Lake
|
Large lake with a very marshy edges, edges with cat tails
|
The documentation form by Marion Brewer is the only one submitted and forms the basis of this record. Other observers include "1 None Birder". | Elimination of similar species: Larger than eared or horned grebe & was on same end of lake as 7 western grebes. | The original documentation form event lasted from 17:00:00/17:30:00.
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Iowa Ornithologists' Union | MS 166
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32
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13
|
|
Rare bird documentation form for Red-throated Loon at Clear Lake, 1999
|
Field notes Forms (documents)
|
Birds--Identification Ornithology Rare birds
|
1999-04-21
|
1999-05-27
|
Rare birds documentation form
|
Rare bird documentation form for two Red-throated Loons at Clear Lake in Cerro Gordo County, IA on April 21, 1999.
|
Fischer, Carolyn J.
|
Red-throated Loon
|
Clear Lake
|
Clear Lake, Clear Lake Ia
|
Large lake, northside
|
The documentation form by Rita Goranson is the only one submitted and forms the basis of this record. Other observers include Curt Nelson, Jan Walter, and Carolyn Fischer. | Elimination of similar species: Common Loon - was also present, could see larger loon, heavy bill, Pacific Loon - straight bill, black cap extends to eye -
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Iowa Ornithologists' Union | MS 166
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32
|
8
|
|
Rare bird documentation form for Long-tailed Duck at Saylorville Reservoir, 1985
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1985-11-10
|
1985-11-12
|
Rare birds documentation form
|
Rare bird documentation form for a Long-tailed Duck at Saylorville Reservoir in Polk County, IA on November 10, 1985.
|
Dinsmore, Stephen J.
|
Long-tailed Duck
|
Saylorville Lake
|
Saylorville Reservoir, Polk County
|
large man-made reservoir
|
The documentation form by Steve Dinsmore is the only one submitted and forms the basis of this record. | Elimination of similar species: All other ducks eliminated by the small size, largely white head and body, dark wings and stubby bill. | The original documentation form event lasted from 15:00:00/15:50:00.
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Iowa Ornithologists' Union | MS 166
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33
|
14
|
|
Rare bird documentation form for Little Blue Heron at Cone Marsh, 1978
|
Field notes Forms (documents)
|
Birds--Identification Ornithology Rare birds
|
1978-04-15
|
1978-05-07
|
Rare birds documentation form
|
Rare bird documentation form for a Little Blue Heron at Cone Marsh in Louisa County, IA on April 15, 1978.
|
Newlon, Michael C.
|
Little Blue Heron
|
Cone Marsh Wildlife Management Area
|
Cone Marsh, Louisa Co, Iowa
|
large marsh, bordered by wooded river bottoms, woods, cropland.
|
The documentation form by Michael C. Newlon is the only one submitted and forms the basis of this record. Other observers include Cal Knight, Bernie Knight, and Carol S. Newlon. | Elimination of similar species: Uniform dark-blue coloration rules out other herons: neck folded back on shoulders indicates that this bird was a tern. | The original documentation form event lasted from 10:00:00/10:05:00.
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Iowa Ornithologists' Union | MS 166
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32
|
20
|
|
Rare bird documentation form for Peregrine Falcon at Muskrat Slough, 1981
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1981-04-30
|
N/A
|
Rare birds documentation form
|
Rare bird documentation form for a Peregrine Falcon at Muskrat Slough in Jones County, IA on April 30, 1981.
|
Kent, Thomas H. (Thomas Hugh), 1934-
|
Peregrine Falcon
|
Muskrat Slough State Game Management Area
|
Muskrat Slough, Jones Co, Iowa
|
large marsh. Tree on island on south west side of Muskrat Slough
|
The documentation form by Thomas H. Kent is the only one submitted and forms the basis of this record. Other observers include Tom Staudt. | Elimination of similar species: Too large for a Merlin. Prairie Falcon very unlikely at this location and time of year. Also bird too dark. Axillaries not specifically seen. | The original documentation form event lasted from approximately 07:45:00/08:05:00.
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Iowa Ornithologists' Union | MS 166
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33
|
34
|
|
Rare bird documentation form for Greater Scaup at Big Spirit Lake, 1998
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1998-11-19
|
1998-12-19
|
Rare birds documentation form
|
Rare bird documentation form for three Greater Scaups at Big Spirit Lake in Dickinson County, IA on November 19, 1998.
|
Thelen, Ed
|
Greater Scaup
|
Spirit Lake
|
South shore of Big Spirit Lake - Dickinson County
|
Large Natural Lake
|
The documentation form by Ed Thelen is the only one submitted and forms the basis of this record. | Elimination of similar species: Lesser Scaup eliminated for the reasons stated above. Observed a flock of eleven scaup on Spirit Lake. 3 of the birds appeared larger than the rest. The following characteristics were noted - larger size with head and bill the most pronounced. | The original documentation form event lasted from 12:00:00/12:15:00.
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Iowa Ornithologists' Union | MS 166
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33
|
10
|
|
Rare bird documentation form for Red-necked Grebe at West Okoboji Lake, 1986
|
Field notes Forms (documents)
|
Birds--Identification Ornithology Rare birds
|
1986-11-16
|
1986-11-26
|
Rare birds documentation form
|
Rare bird documentation form for a Red-necked Grebe at West Okoboji Lake in Dickinson County, IA on November 16, 1986.
|
Thelen, Ed
|
Red-necked Grebe
|
West Okoboji Lake
|
West okoboji lake - Dickinson county
|
large natural lake - 3,900 acres
|
The documentation form by Ed Thelen is the only one submitted and forms the basis of this record. | Elimination of similar species: horned grebe - larger size of red neck - longer neck and heavier bill of red-neck. western grebe - darker back of red-necked - shorter neck of grebe - shorter, heavier bill of the red-necked. | The original documentation form event lasted from 10:00:00/10:30:00 on November 16 and 10:30:00/11:30:00 on November 23.
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Iowa Ornithologists' Union | MS 166
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32
|
13
|
|
Rare bird documentation form for Ross' Goose at Forneys Lake, 1984
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1984-03-25
|
N/A
|
Rare birds documentation form
|
Rare bird documentation form for a Ross' Goose at Forneys Lake in Fremont County, IA on March 25, 1984.
|
Bendorf, Carl J.
|
Ross's Gull
|
Forneys Lake
|
Forney's Lake
|
Large open lake, packed with migrating waterfowl especially snow geese.
|
The documentation form by Carl J. Bendorf is the only one submitted and forms the basis of this record. Other observers include Tom Kent, Tom Staudt, and Ross Silcock. | Elimination of similar species: This bird was about 2/3 size of the Snows. Noticeably shorter relative neck length. Bill much smaller and relatively much stubbier. Forehead was very rounded, not angled in line with the bill like the Snow Geese. Bill color suggested slight darkening at base. | The original documentation form event lasted from 09:30:00/09:35:00.
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Iowa Ornithologists' Union | MS 166
|
32
|
28
|
|
Rare bird documentation form for Black-legged Kittiwake at Coralville Reservoir, 1976
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1976-10-28
|
1976-10-30
|
Rare birds documentation form
|
Rare bird documentation form for a Black-legged Kittiwake at Coralville Reservoir in Johnson County, IA on October 28, 1976.
|
DeCoster, R. J. (Richard Joseph)
|
Black-legged Kittiwake
|
Coralville Lake
|
Coralville Docks, Coralville Reservoir, Johnson Co., Iowa
|
Large open water area of Coralville Reservoir. There was a flock of adult Bonaparte's gulls about a mile south on the same area of the reservoir.
|
The documentation form by Richard J. DeCoster is the only one submitted and forms the basis of this record. Other observers include Lillian Serbousek, Nicholas Halmi, and Michael Newlon. | Elimination of similar species: Immature Bonaparte's gull lacks transverse mark across nape and has lighter wing coverts. The immature little gull is shown by Robbins et al. to have a dark hood and scaly back. | The original documentation form event lasted from 12:45:00/12:55:00.
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Iowa Ornithologists' Union | MS 166
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34
|
40
|
|
Rare bird documentation form for Red-necked Grebe at Sweet Marsh, 1987
|
Field notes Forms (documents)
|
Birds--Identification Ornithology Rare birds
|
1987-05-12
|
1987-05-13
|
Rare birds documentation form
|
Rare bird documentation form for a Red-necked Grebe at Sweet Marsh in Bremer County, IA on May 12, 1987.
|
Kent, Thomas H. (Thomas Hugh), 1934-
|
Red-necked Grebe
|
Sweet Marsh
|
Sweet Marsh, Bremer Co., IA
|
large open water area of man-made marsh
|
The documentation form by Thomas H. Kent is the only one submitted and forms the basis of this record. Other observers include Francis Moore. | Elimination of similar species: Size, large bill, gray face and red neck eliminate small grebes. | The original documentation form event lasted from 13:15:00/13:30:00.
|
Iowa Ornithologists' Union | MS 166
|
32
|
13
|
|
Rare bird documentation form for White-winged Scoter at Cardinal Marsh, 1987
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1987-11-29
|
N/A
|
Rare birds documentation form
|
Rare bird documentation form for two White-winged Scoters at Cardinal Marsh in Winneshiek County, IA on November 29, 1987.
|
Dietzenbach, Mark A.
|
White-winged Scoter
|
Cardinal Marsh State Wildlife Area
|
Cardinal marsh Winneshiek Co.
|
Large open water area of water
|
The documentation form by Mark Dietzenbach is the only one submitted and forms the basis of this record. Other observers include Steve Marty. | Elimination of similar species: We had no reservations about identification. | The original documentation form event lasted almost an hour.
|
Iowa Ornithologists' Union | MS 166
|
33
|
12
|
|
Rare bird documentation form for Red-necked Grebe at Mehaffey Bridge at Coralville Reservoir, 1986
|
Field notes Forms (documents)
|
Birds--Identification Ornithology Rare birds
|
1986-11-15
|
N/A
|
Rare birds documentation form
|
Rare bird documentation form a Red-necked Grebe at Mehaffey Bridge at Coralville Reservoir in Johnson County, IA on November 15, 1986.
|
Staudt, Thomas J.
|
Red-necked Grebe
|
Mehaffey Bridge
|
Mehaffey Bridge area Johnson Co.
|
large open water area, bend in river
|
The documentation form by Thomas J. Staudt is the only one submitted and forms the basis of this record. Other observers include Jim Fuller. | Elimination of similar species: bill and neck longer/thicker than Horned or Eared Grebe larger size overall. Horned has more white in face, Eared legs. Clarks, western grebes have longer white neck. | The original documentation form event lasted from 11:20:00/11:40:00.
|
Iowa Ornithologists' Union | MS 166
|
32
|
13
|
|
Rare bird documentation form for Surf Scoter at DeSoto Bend National Wildlife Refuge, 1985
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1985-11-11
|
1985-11-12
|
Rare birds documentation form
|
Rare bird documentation form for a Surf Scoter at DeSoto Bend National Wildlife Refuge in Harrison County, IA on November 11, 1985.
|
Dinsmore, Stephen J.
|
Surf Scoter
|
DeSoto National Wildlife Refuge
|
DeSoto Bend NWR, Harrison County
|
large oxbow lake along major river
|
The documentation form by Steve Dinsmore is the only one submitted and forms the basis of this record. Other observers include James Dinsmore, Mark Dixon, and B.J. Rose. | Elimination of similar species: Other scoters eliminated by uniform dark wing, large bill, two white spots on cheek, and white path on back of head. | The original documentation form event lasted from 15:30:00/16:00:00.
|
Iowa Ornithologists' Union | MS 166
|
33
|
11
|