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Rare bird documentation form for Greater Scaup at Riverton Game Management Area, 1984
|
Field notes
|
Birds--Identification Ornithology Rare birds
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1984-12-28
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1985-01-04
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Rare birds documentation form
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Rare bird documentation form for three Greater Scaups at Riverton Game Management Area in Fremont County, IA on December 28, 1984.
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Silcock, W. Ross
|
Greater Scaup
|
Riverton Wildlife Management Area
|
Riverton GMA, Fremont Co, IA
|
Lake
|
The documentation form by Ross Silcock is the only one submitted and forms the basis of this record. Other observers include Ione Getscher. | Elimination of similar species: Lesser Scaup, Ringnecked Duck. ID as Greater Scaup but confirmed when birds flew and displayed very obvious white wingstripe extending to outer primaries. | The original documentation form event lasted from 10:20:00/10:40:00.
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Iowa Ornithologists' Union | MS 166
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10
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Rare bird documentation form for Greater Scaup at Willow Slough, 1985
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Field notes
|
Birds--Identification Ornithology Rare birds
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1985-03-30
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1985-04-01
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Rare birds documentation form
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Rare bird documentation form for five Greater Scaups at Willow Slough in Mills County, IA on March 30, 1985.
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Moore, Francis L.
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Greater Scaup
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Willow Slough State Game Management Area
|
Willow Slough, Mills Co., Iowa
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Open part of lake
|
The documentation form by Francis L. Moore is the only one submitted and forms the basis of this record. Other observers include Robert I. Cecil. | Elimination of similar species: Female Lesser Scaup do not have white 'ear patch' as these females did. All five birds had a somewhat larger headed looks with the head looking 'fat' and rounded not pointed as Lesser Scaup would have appeared. | The original documentation form event lasted from 15:25:00/15:55:00.
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10
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Rare bird documentation form for Greater Scaup at Little Clear Lake in 1985
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Field notes
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Birds--Identification Ornithology Rare birds
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1985-04-07
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N/A
|
Manuscript, graphic, and printed material
|
Rare bird documentation form for twenty-five to thirty Greater Scaups at Little Clear Lake in Pocahontas County, IA on April 7, 1985.
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Jardine, Wallace E.
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Greater Scaup
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Little Clear Lake Park
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|
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10
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Rare bird documentation form for Greater Scaup at Little Clear Lake in 1985
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Field notes
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Birds--Identification Ornithology Rare birds
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1985-04-06
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1985-04-07
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Manuscript, graphic, and printed material
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Rare bird documentation form for ten to fifteen Greater Scaups at Little Clear Lake in Pocahontas County, IA on April 6, 1985.
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Carlson, Judith
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Greater Scaup
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Little Clear Lake Park
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|
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10
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Rare bird documentation form for Greater Scaup at Lakin Slough, 1985
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Field notes
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Birds--Identification Ornithology Rare birds
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1985-04-16
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1985-04-22
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Rare birds documentation form
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Rare bird documentation form for two Greater Scaups at Lakin Slough in Guthrie County, IA on April 16, 1985.
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Myers, Robert K.
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Greater Scaup
|
Lakin Slough State Game Management Area
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Lakin Slough (Guthrie Co.)
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Cattail marsh - open water in center
|
The documentation form by Bob Myers is the only one submitted and forms the basis of this record. | Elimination of similar species: The round crowned greenish head on male and whitish earpatch on female eliminated the lesser scaup. | The original documentation form event lasted from 18:30:00/18:40:00.
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Iowa Ornithologists' Union | MS 166
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10
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Rare bird documentation form for Greater Scaup at Hickory Grove Lake in 1985
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1985-11-20
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1985-11-27
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Manuscript, graphic, and printed material
|
Rare bird documentation form for a Greater Scaup at Hickory Grove Lake in Story County, IA on November 20, 23, and 27, 1985.
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Martsching, Paul
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Greater Scaup
|
Hickory Grove Lake
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|
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10
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Rare bird documentation form for Greater Scaup at Red Rock Reservoir, 1986
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1986-03-15
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1986-03-19
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Rare birds documentation form
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Rare bird documentation form for a Greater Scaup at Red Rock Reservoir in Marion County, IA on March 15, 1986.
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Proescholdt, Mark
|
Greater Scaup
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Lake Red Rock
|
Red Rock Reservoir area - (Marion Co.)
|
A small farm pond on the south side of Red Rock
|
The documentation form by Mark Proescholdt is the only one submitted and forms the basis of this record. Other observers include Phyllis J. Harris and Beth Proescholdt. | Elimination of similar species: Lesser Scaup shows bold white stripe on secondaries only. | The original documentation form event lasted from 14:50:00/14:55:00.
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Iowa Ornithologists' Union | MS 166
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10
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Rare bird documentation form for Greater Scaup at Marshalltown, 1986
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1986-03-19
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N/A
|
Rare birds documentation form
|
Rare bird documentation form for two Greater Scaups at Marshalltown in Marshall County, IA on March 19, 1986.
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Proescholdt, Mark
|
Greater Scaup
|
Marshalltown
|
Just on north edge of Marshalltown (Marshall Co.)
|
flooded corn fields from Iowa River overflow
|
The documentation form by Mark Proescholdt is the only one submitted and forms the basis of this record. | Elimination of similar species: Lesser Scaup shows bold white stripe on secondaries only. | The original documentation form event lasted from 07:45:00/08:00:00.
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Iowa Ornithologists' Union | MS 166
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10
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Rare bird documentation form for Greater Scaup at Coralville Reservoir, 1986
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1986-03-23
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N/A
|
Rare birds documentation form
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Rare bird documentation form for a Greater Scaup at Coralville Reservoir in Johnson County, IA on March 23, 1986.
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Kent, Thomas H. (Thomas Hugh), 1934-
|
Greater Scaup
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Coralville Lake
|
Dupont Bridge Rd., Coralville Res., Johnson Co., IA
|
backwater
|
The documentation form by Thomas H. Kent is the only one submitted and forms the basis of this record. | Elimination of similar species: All features that I look for on male Greater Scaup were seen well over 15 minutes. | The original documentation form event lasted from 09:45:00/10:00:00.
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Iowa Ornithologists' Union | MS 166
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10
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Rare bird documentation form for Greater Scaup at Liscomb Sewage Lagoon, 1987
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1987-03-04
|
N/A
|
Rare birds documentation form
|
Rare bird documentation form fro eight Greater Scaups at Liscomb Sewage Lagoon in Marshall County, IA on March 4, 1987.
|
Proescholdt, Mark
|
Greater Scaup
|
Liscomb
|
Liscomb Sewage Lagoon - (Marshall Co.)
|
Open water area away from road with some brush around
|
The documentation form by Mark Proescholdt is the only one submitted and forms the basis of this record. Other observers include Beth Proescholdt. | Elimination of similar species: Lesser Scaup have the bold white wing stripe on secondaries only, a more angular-shaped head, and a purple gloss for head color. | The original documentation form event lasted from 16:15:00/16:30:00.
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10
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Rare bird documentation form for Greater Scaup at Big Creek State Park, 1987
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1987-10-05
|
1987-10-06
|
Rare birds documentation form
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Rare bird documentation form for two Greater Scaups at Big Creek State park in Polk County, IA on October 5, 1987.
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Dinsmore, Stephen J.
|
Greater Scaup
|
Big Creek State Park
|
Big Creek State Park, Polk Co.
|
swimming on large lake
|
The documentation form by Steve Dinsmore is the only one submitted and forms the basis of this record. Other observers include Roger Sedlacek. | Elimination of similar species: Lesser Scaup eliminated above. Both birds had smoothly rounded heads, not peaked like Lesser Scaup. Both birds seemed to have larger, heavier bills than Lesser Scaup. | The original documentation form event lasted from 15:30:00/15:35:00.
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10
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Rare bird documentation form for Greater Scaup at Big Creek State Park, 1988
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Field notes
|
Birds--Identification Ornithology Rare birds
|
1988-05-17
|
1988-05-27
|
Rare birds documentation form
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Rare bird documentation form for one to two Greater Scaups at Big Creek State Park in Polk County, IA on May 17, 1988.
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Dinsmore, Stephen J.
|
Greater Scaup
|
Big Creek State Park
|
Big Creek State Park, Polk Co.
|
with other ducks near muddy area at north end of lake
|
The documentation form by Steve Dinsmore is the only one submitted and forms the basis of this record. Other observers include Andrew Fix. | Elimination of similar species: Lesser Scaup eliminated above. The birds were bigger than nearby Blue-winged Teal, but smaller than a Mallard. Identified the bird as a Greater Scaup by the very large, almost spatulate bill, very wide bill nail, large size compared to a Mallard (the bird wasn't much smaller than the Mallard), rounded head (not peaked like a Lesser Scaup), and white wing stripe extending on to the primaries (seen when the bird preened). | The original documentation form event lasted from 10:05:00/10:22:00.
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10
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Rare bird documentation form for Greater Scaup at Saylorville Lake, 1988
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1988-11-20
|
1988-11-27
|
Rare birds documentation form
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Rare bird documentation form for two Greater Scaups at Saylorville Lake in Polk County, IA on November 20, 1988.
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Thomas, Michael K.
|
Greater Scaup
|
Saylorville Lake
|
Highway 17 and Des Moines River - North end of Saylorville Lake - Polk Co., IA
|
river flowing into Saylorville lake, fairly shallow, and plants on both sides
|
The documentation form by Mike Thomas is the only one submitted and forms the basis of this record. Other observers include Ann Johnson. | Elimination of similar species: Lesser scaup (size, head shape, head color on male, whiter sides on male in direct comparison to lesser scaups. Side by side comparison with lesser scaup was thankfully easy. The male's rounded head contrasted clearly with the more pointed heads of the lesser scaup. Also, the dark green head of male was visible. The male birds sides were whiter than male lesser scaup's sides and the difference in size was noticeable. | The original documentation form event lasted from 15:45:00/16:15:00.
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Iowa Ornithologists' Union | MS 166
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10
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Rare bird documentation form for Greater Scaup at Swan Lake in 1994
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1994-04-01
|
N/A
|
Manuscript, graphic, and printed material
|
Rare bird documentation form for a Greater Scaup at Swan Lake in Johnson County, IA on April 1, 1994.
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Pinkston, Randall, 1956-
|
Greater Scaup
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Swan Lake
|
|
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10
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Rare bird documentation form for Greater Scaup at Pleasant Creek Lake, 1996
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Field notes
|
Birds--Identification Ornithology Rare birds
|
1996-03-17
|
1996-06-17
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Rare birds documentation form
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Rare bird documentation form for two Greater Scaups at Pleasant Creek Lake in Linn County, IA on March 17, 1996.
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Dankert, Jeffrey B.
|
Greater Scaup
|
Pleasant Creek State Park
|
Pleasant Creek Lake, Linn County
|
Lake
|
The documentation form by Jeff Dankert is the only one submitted and forms the basis of this record. Other observers include Dave Dankert. | Elimination of similar species: Lesser, as described above. I watched the birds for several minutes, making sure that they weren't changing crown feathers and 'hiding' the peak characteristic of L. Scaup.
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10
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Rare bird documentation form for Greater Scaup at Big Spirit Lake, 1998
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Field notes
|
Birds--Identification Ornithology Rare birds
|
1998-11-19
|
1998-12-19
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Rare birds documentation form
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Rare bird documentation form for three Greater Scaups at Big Spirit Lake in Dickinson County, IA on November 19, 1998.
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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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10
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Rare bird documentation form for Greater Scaup at Welch Lake Wildlife Management Area, 1999
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1999-07-31
|
N/A
|
Rare birds documentation form
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Rare bird documentation form for a Greater Scaup at Welch Lake Wildlife Management Area in Dickinson County, IA on July 31, 1999.
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Schoenewe, Lee A.
|
Greater Scaup
|
Welch Lake Wildlife Management Area
|
Welch Lake WPA, Dickinson County
|
Open water wetland
|
The documentation form by Lee A. Schoenewe is the only one submitted and forms the basis of this record. Other observers include Gary Grange. | Elimination of similar species: Lesser Scaup - Head shape, size of bill and wing stripe. | The original documentation form event lasted from 09:30:00/10:20:00.
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Iowa Ornithologists' Union | MS 166
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10
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Rare bird documentation form for Surf Scoter at Iowa City in 1975
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1975-05-09
|
1975-05-20
|
Manuscript, graphic, and printed material
|
Rare bird documentation form for a Surf Scoter at Iowa City in Johnson County, IA on May 9 and May 17, 1975.
|
Newlon, Michael C.
|
Surf Scoter
|
Iowa City
|
|
|
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Rare bird documentation form for Surf Scoter in western Polk County, 1977
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1977-11-15
|
1977-11-29
|
Rare birds documentation form
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Rare bird documentation form for a Surf Scoter in western Polk County, IA on November 15, 1977.
|
Mooney, Richard D., 1905-1997
|
Surf Scoter
|
Polk County
|
Small farm pond in western Polk Co.
|
Usual farm pond, no emergent vegetation at this season
|
The documentation form by R.D. Mooney is the only one submitted and forms the basis of this record. | Elimination of similar species: Light spots eliminate Common Eider and lack of white in wing eliminates White-winged Scoter. | The original documentation form event lasted from 15:00:00/15:30:00.
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Iowa Ornithologists' Union | MS 166
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11
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Rare bird documentation form for Surf Scoter at Little Wall Lake, 1978
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1978-11-18
|
1978-11-21
|
Rare birds documentation form
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Rare bird documentation form for a Surf Scoter at Little Wall Lake in Hamilton County, IA on November 18, 1978.
|
Dinsmore, James J.
|
Surf Scoter
|
Little Wall Lake
|
Little Wall Lake, Hamilton County, Iowa
|
fresh water lake, open water near center of lake
|
The documentation form by James Dinsmore is the only one submitted and forms the basis of this record. Other observers include Mark and Steve Dinsmore. | Elimination of similar species: Most ducks - general dark color and the heavy bill. White-winged Scoter-no white on wing. Black Scoter-head not 'two-toned' (dark above, light below). | The original documentation form event lasted from 11:00:00/11:15:00.
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11
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Rare bird documentation form for Surf Scoter at Polk County, 1979
|
Field notes
|
Birds--Identification Ornithology Rare birds
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1979-05-05
|
1979-05-06
|
Rare birds documentation form
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Rare bird documentation form for a Surf Scoter in Polk County, IA on May 5, 1979.
|
Mooney, Richard D., 1905-1997
|
Surf Scoter
|
Polk County
|
Farm pond SE corner of SW. 62nd Ave. and Orilla Rd. in Polk County.
|
Medium sized farm pond with a few other ducks on pond - not close to farm house and no domestic fowl on pond.
|
The documentation form by Dick Mooney is the only one submitted and forms the basis of this record. Other observers include Eugene Armstrong, Eloise Armstrong, Woodward H. Brown, Mary Brown, and Stuart Burns. | Elimination of similar species: White-winged Scoter eliminated by lack of white wing patches. Common Scoter eliminated by two white cheek spots. | The original documentation form event occurred around 16:00:00.
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11
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Rare bird documentation form for Surf Scoter at Lizard Lake, 1980
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1980-10-05
|
1980-11-07
|
Rare birds documentation form
|
Rare bird documentation form for three Surf Scoters at Lizard Lake in Gilmore City in Pocahontas County, IA on October 5, 1980.
|
Cummins, Raymond L.
|
Surf Scoter
|
Lizard Lake
|
Lizard Lake Gilmore City, Iowa
|
open water
|
The documentation form by Raymond L. Cummins is the only one submitted and forms the basis of this record. | The original documentation form event lasted from 15:00:00/15:30:00.
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Iowa Ornithologists' Union | MS 166
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11
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Rare bird documentation form for Surf Scoter at Coralville Reservoir, 1984
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1984-04-09
|
N/A
|
Rare birds documentation form
|
Rare bird documentation form for a Surf Scoter at Coralville Reservoir in Johnson County, IA on April 9, 1984.
|
Kent, Thomas H. (Thomas Hugh), 1934-
|
Surf Scoter
|
Coralville Lake
|
Coralville Res. (Dupont Bridge), Johnson Co. Iowa
|
Old backwater area at upper end of reservoir.
|
The documentation form by Thomas H. Kent is the only one submitted and forms the basis of this record. | Elimination of similar species: Head shape with very straight forehead and lack of white in wing eliminates White-winged Scoter. Large heavy black duck eliminates other species. | The original documentation form event lasted from 12:25:00/12:35:00.
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Iowa Ornithologists' Union | MS 166
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11
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Rare bird documentation form for Surf Scoter at Saylorville Reservoir, 1984
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1984-10-27
|
1984-10-29
|
Rare birds documentation form
|
Rare bird documentation form for five Surf Scoters at Saylorville Reservoir in Polk County, IA on October 27, 1984.
|
Dixon, Mark D.
|
Surf Scoter
|
Saylorville Lake
|
near the dam at Saylorville Reservoir, Polk County
|
Large reservoir, seen near rock dam
|
The documentation form by Mark D. Dixon is the only one submitted and forms the basis of this record. | Elimination of similar species: Distinguished from Black Scoter female or immature by two distinct white face spots. Distinguished from White-winged Scoter primarily by lack of white in secondaries. | The original documentation form event lasted from 13:30:00/15:45:00.
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Iowa Ornithologists' Union | MS 166
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11
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Rare bird documentation form for Surf Scoter at Saylorville Reservoir, 1985
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1985-10-24
|
N/A
|
Rare birds documentation form
|
Rare bird documentation form for a Surf Scoter at Saylorville Reservoir in Polk County, IA on October 24, 1985.
|
Dinsmore, Stephen J.
|
Surf Scoter
|
Polk City Wildlife Area
|
Polk City Wildlife Refuge, adjacent to Saylorville Reservoir, Polk County
|
large backwater area of reservoir
|
The documentation form by Steve Dinsmore is the only one submitted and forms the basis of this record. | Elimination of similar species: Other ducks eliminated by size, uniform dark color, lack of wing markings, and bill size and shape. White-winged Scoter eliminated by lack of white wing patches. Imm. or female Black Scoter eliminated by white spots on cheek instead of white throat and by bill shape. All male Scoters eliminated by Black, rather than brown, body color. | The original documentation form event lasted from 08:30:00/09:10:00.
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11
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