Documents • Iowa State University • Avian Archives of Iowa Online

Title	Genres	Topics	Date (Start)	Date (End)	Type	Description	Creator/Author	Birds	Locations	Locality	Habitat	Remarks

Rare bird documentation form for White-winged Scoter at Pleasant Creek Lake, 1989	Field notes	Birds--Identification Ornithology Rare birds	1989-11-19	N/A	Rare birds documentation form	Rare bird documentation form for a White-winged Scoter at Pleasant Creek Lake in Linn County, IA on November 19, 1989.	Pinkston, Randall, 1956-	White-winged Scoter	Pleasant Creek State Park	Pleasant Creek Lake north of Palo, Linn Co., Iowa		The documentation form by Randall Pinkston is the only one submitted and forms the basis of this record. \| Elimination of similar species: White wing patches and typical facial pattern of young White-winged rule out other scoters. Large size, large bill, dual facial patches eliminate female Bufflehead. White wing patches and large bill eliminate female Harlequin Duck. \| The original documentation form event lasted from 16:00:00/17:00:00.	Iowa Ornithologists' Union \| MS 166	33	12
Rare bird documentation form for Black Scoter at Diamond Lake, 1986	Field notes	Birds--Identification Ornithology Rare birds	1986-10-31	1986-11-03	Rare birds documentation form	Rare bird documentation form for six Black Scoters at Diamond Lake in Poweshiek County, IA on October 31, 1986.	Miller, Edwin J.	Black Scoter	Diamond Lake	Diamond Lake, Montezuma IA (Poweshiek Co.)	Open water	The documentation form by Edwin Miller is the only one submitted and forms the basis of this record. Other observers include Darwin Koenig and Doug Phillips. \| Elimination of similar species: White-winged Scoter - no white on wing - or small patches of white markings on head. Ruddy Duck - much larger than Ruddy - although did see one lift tail like a ruddy. \| The original documentation form event lasted from 10:30:00/12:00:00.	Iowa Ornithologists' Union \| MS 166	33	13
Rare bird documentation form for Black Scoter at Diamond Lake County Park, 1986	Field notes	Birds--Identification Ornithology Rare birds	1986-10-31	1986-11-03	Rare birds documentation form	Rare bird documentation form for six Black Scoters at Diamond Lake County Park in Poweshiek County, IA on October 31, 1986.	Koenig, Darwin	Black Scoter	Diamond Lake County Park	Diamond Lake County Park, Poweshiek County	lake	The documentation form by Darwin Koenig is the only one submitted and forms the basis of this record. Other observers include Edwin Miller and Doug Phillips. \| Elimination of similar species: Ruddy Duck (winter male & female)--smaller, bill flatter and lighter colored, breast and flanks whiter, overall lighter colored. Other scoters--flatter head profile; heavier, lighter colored bill; lighter colored legs; White-winged has white speculum. \| The original documentation form event lasted from 10:00:00/11:30:00.	Iowa Ornithologists' Union \| MS 166	33	13
Rare bird documentation form for Black Scoter at DeSoto Bend, 1985	Field notes	Birds--Identification Ornithology Rare birds	1985-11-16	1985-11-17	Rare birds documentation form	Rare bird documentation form for a Black Scoter at DeSoto Bend in Harrison County, IA on November 16, 1985.	Proescholdt, Beth	Black Scoter	DeSoto National Wildlife Refuge	De Soto Bend, Horshoe Bend, far south end	Center of channel, flying to Iowa side near beach	The documentation form by Beth Proescholdt is the only one submitted and forms the basis of this record. Other observers include Jim Fuller and Mark Proescholdt. \| Elimination of similar species: Ruddy Duck - this bird was much larger than Ruddies close by, bill was different, no pointed tail as Ruddies have - also this bird had light cheeks, extending further than Ruddies. \| The original documentation form event lasted from 11:45:00/11:50:00.	Iowa Ornithologists' Union \| MS 166	33	13
Rare bird documentation form for Black Scoter at Big Spirit Lake, 1985	Field notes	Birds--Identification Ornithology Rare birds	1985-11-14	1985-11-15	Rare birds documentation form	Rare bird documentation form for a Black Scoter at Big Spirit Lake in Dickinson County, IA on November 14, 1985.	Harr, Douglas C.	Black Scoter	Spirit Lake	Big Spirit Lake, Dickinson County, Iowa	seen on open water of Big Spirit Lake	The documentation form by Douglas C. Harr is the only one submitted and forms the basis of this record. \| Elimination of similar species: White-winged Scoter - no white evident on wings or head. Surf Scoter -- no white evident on head (immatures of either of these species might appear similar to Black Scotor, except for presence of orange knob) Coot - smaller, has a whitish bill. \| The original documentation form event lasted from 15:20:00/15:31:00.	Iowa Ornithologists' Union \| MS 166	33	13
Rare bird documentation form for Black Scoter at Volga Lake, 1980	Field notes	Birds--Identification Ornithology Rare birds	1980-11-21	1980-11-23	Rare birds documentation form	Rare bird documentation form for a Black Scoter at Volga Lake in Fayette County, IA on November 21, 1980.	Schaufenbuel, Joseph P.	Black Scoter	Volga Lake	Northwest area of Volga Lake, in the Volga Lake Recreation Area, Fayette County, Iowa.		The documentation form by Joe Schaufenbuel is the only one submitted and forms the basis of this record. \| Elimination of similar species: The only bird that this duck reminded me of was a Ruddy Duck female, but this bird was definitely not this species, and is mentioned because of vague plumage characteristic similarities. \| The original documentation form event lasted from 13:20:00/14:45:00.	Iowa Ornithologists' Union \| MS 166	33	13
Rare bird documentation form for Black Scoter at Conesville Marsh, 1979	Field notes	Birds--Identification Ornithology Rare birds	1979-03-31	1979-04-01	Rare birds documentation form	Rare bird documentation form for a Black Scoter at Conesville Marsh in Louisa County, IA on March 31, 1979.	Kent, Thomas H. (Thomas Hugh), 1934-	Black Scoter	Cone Marsh Wildlife Management Area	Conesville Marsh, Louisa County Iowa	marshy lake west arm of conesville marsh	The documentation form by Thomas H. Kent is the only one submitted and forms the basis of this record. Other observers include Noel Brown, Mona Brown, and Mike Newlon. \| Elimination of similar species: White-winged Scoter - no white in wing, wrong face pattern. Surf Scoter - wrong head shape and face pattern. Ruddy duck - much larger, wrong shape, short tail, all dark body. \| The original documentation form event lasted from 14:45:00/15:15:00.	Iowa Ornithologists' Union \| MS 166	33	13
Rare bird documentation for Black Scoter at Cone Marsh, 1979	Field notes	Birds--Identification Ornithology Rare birds	1979-03-31	1979-04-01	Rare birds documentation form	Rare bird documentation for a Black Scoter at Cone Marsh in Louisa County, IA on March 31, 1979.	Newlon, Michael C.	Black Scoter	Cone Marsh Wildlife Management Area	Cone Marsh, Louisa Co, IA	large area of ponds, flooded fields + timber, bottomland. pond bordered by woods + flooded fields	The documentation form by Michael C. Newlon is the only one submitted and forms the basis of this record. Other observers include CS Newlon, Tom Kent, Noel Brown, and Mona Brown. \| Elimination of similar species: Female Bufflehead has much smaller white patch on face. Other female scoters, harlequin duck have more than 1 patch + patches are smaller. Female Ruddy duck is smaller + white does not extend onto throat or neck, also differs in properties (stockier, with heavier head + neck for size). Male hooded merganser has white sides, chest, side stripes, more slender bill. \| The original documentation form event lasted from 12:15:00/12:30:00.	Iowa Ornithologists' Union \| MS 166	33	13
Rare bird documentation form for White-winged Scoter at George Wyth State Park, unknown year	Field notes	Birds--Identification Ornithology Rare birds	N/A	N/A	Rare birds documentation form	Rare bird documentation form for a White-winged Scoter at George Wyth State Park in Black Hawk County, IA on November 11 in an unknown year.	Stone, Tom, Jr. Stone, Tom	White-winged Scoter	George Wyth Memorial State Park	George Wyth S.P.	A good sized lake with wooded island. Lake surrounded by woodland.	The documentation form by Tom Stone and Tom Stone, Jr. is the only one submitted and forms the basis of this record. Other observers include Russell Hays, Robert K. Myers, and Francis L. Moore. \| Elimination of similar species: imm. and female surf scoters have no white wing patch. \| The original documentation form event lasted from 13:30:00/13:45:00.	Iowa Ornithologists' Union \| MS 166	33	13
Rare bird documentation form for White-winged Scoter at Sabula, 1998	Field notes	Birds--Identification Ornithology Rare birds	1998-12-26	1999-01-02	Rare birds documentation form	Rare bird documentation form for a White-winged Scoter at Sabula in Jackson County, IA on December 26, 1998.	Blevins, Brian L.	White-winged Scoter	Sabula	Mississippi River at Sabula, Iowa. Jackson County	small open section of water with ice surrounding	The documentation form by Brian Blevins is the only one submitted and forms the basis of this record. Other observers include Corey Blevins. \| Elimination of similar species: white cheek patch and white secondaries eliminate other scoters. \| The original documentation form event lasted from 14:48:00/15:20:00.	Iowa Ornithologists' Union \| MS 166	33	12
Rare bird documentation form for White-winged Scoter at Big Wall Lake, 1998	Field notes	Birds--Identification Ornithology Rare birds	1998-09-05	1998-09-06	Rare birds documentation form	Rare bird documentation form for a White-winged Scoter at Big Wall Lake in Wright County, IA on September 5, 1998.	Dinsmore, James J.	White-winged Scoter	Big Wall Lake	Big Wall Lake, Wright County	open water of large freshwater marsh	The documentation form by Jim Dinsmore is the only one submitted and forms the basis of this record. \| Elimination of similar species: Size and color immediately pointed toward a scoter. Eye patch immediately identified it as White-winged, further cooroborated [sic] when white wing patch seen. \| The original documentation form event lasted from 08:15:00/08:20:00.	Iowa Ornithologists' Union \| MS 166	33	12
Rare bird documentation form for White-winged Scoter at Sanborn, 1998	Field notes	Birds--Identification Ornithology Rare birds	1998-04-25	1998-06-08	Rare birds documentation form	Rare bird documentation form for eighty-five White-winged Scoters at Sanborn in O'Brien County, IA on April 25, 1998.	Gruenewald, Robert	White-winged Scoter	Sanborn	Sanborn, Iowa	Waste Disposal Ponds	The documentation form by Robert Gruenewald is the only one submitted and forms the basis of this record. \| Elimination of similar species: No other scoter species have white wing patches, and do not occur in this area, to my knowledge. \| The original documentation form event lasted from 09:30:00/09:45:00.	Iowa Ornithologists' Union \| MS 166	33	12
White-winged Scoter - 2 Dec 1996 Cedar L - Linn Co	Field notes	Birds--Identification Rare birds	1995-12-02	1996-03-02	Manuscript, graphic, and printed material	Field notes contributed by David L. Dankert detailing the sighting of a White-winged Scoter at Cedar Lake in Linn County, IA on December 2, 1995.	Dankert, David L.	White-winged Scoter	Cedar Lake				Iowa Ornithologists' Union \| MS 166	33	12
Rare bird documentation form for White-winged Scoter at DeSoto Bend, 1985	Field notes	Birds--Identification Ornithology Rare birds	1985-11-16	1985-11-17	Rare birds documentation form	Rare bird documentation form for a White-winged Scoter at DeSoto Bend in Harrison County, IA on November 16, 1985.	Proescholdt, Beth	White-winged Scoter	DeSoto National Wildlife Refuge	De Soto Bend, Nebr. side of channel, flying down middle of channel	Refuge area of Horseshoe Bend, Lake view	The documentation form by Beth Proescholdt is the only one submitted and forms the basis of this record. Other observers include Jim Fuller, Mark Proescholdt, Jim Dinsmore, Steve Dinsmore, and Mark Dixon. \| Elimination of similar species: Surf Scoter - this bird had the white wing patches that eliminated a Surf Scoter. \| The original documentation form event lasted from 09:15:00/09:17:00.	Iowa Ornithologists' Union \| MS 166	33	12
Rare bird documentation forms for White-winged Scoter at Pool 19 near Montrose and north of Keokuk in 1988	Field notes	Birds--Identification Ornithology Rare birds	1988-04-26	1988-06-05	Manuscript, graphic, and printed material	Rare bird documentation forms for one to two White-winged Scoters near Montrose and Keokuk in Lee County, IA, April 26, 1988 - June 5, 1988.	Cecil, Robert I.	White-winged Scoter	Keokuk Montrose				Iowa Ornithologists' Union \| MS 166	33	12
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 White-winged Scoter at Saylorville Reservoir, 1987	Field notes	Birds--Identification Ornithology Rare birds	1987-11-13	N/A	Rare birds documentation form	Rare bird documentation form for three White-winged Scoters at Saylorville Reservoir in Polk County, IA on November 13, 1987.	Kent, Thomas H. (Thomas Hugh), 1934-	White-winged Scoter	Saylorville Lake	Saylorville Res., Cherry Glen boat access, Polk Co., IA	large reservoir	The documentation form by Thomas H. Kent is the only one submitted and forms the basis of this record. \| Elimination of similar species: No other duck is all dark with white wing patches. \| The original documentation form event occurred around 16:00:00.	Iowa Ornithologists' Union \| MS 166	33	12
Rare bird documentation form for White-winged Scoter at DeSoto Bend National Wildlife Refuge, 1987	Field notes	Birds--Identification Ornithology Rare birds	1987-03-14	1987-05-20	Rare birds documentation form	Rare bird documentation form with additional notes for a White-winged Scoter at DeSoto Bend National Wildlife Refuge in Harrison County, IA on March 14, 1987.	Fix, Andrew S.	White-winged Scoter	DeSoto National Wildlife Refuge	Iowa part of DeSoto Bend National Wildlife Refuge	water, along shore until alerted, then swam further out and finally flew off	The documentation form by Andrew S. Fix is the only one submitted and forms the basis of this record. Other observers include Craig Harms. \| Elimination of similar species: By general shape, bill characteristic, and color this bird was identified as a scoter. The white/creamish spot between the cere and eye and lack of pale cheeks and throat ruled out the Black Scoter; the bill was Also too extended up the forward part of head for a Black Scoter. I did not feel comfortable differentiating Surf from White-winged based on the morphology of the head. No white wing patch was evident while this bird was on the water. In my experience (see #14), the white patches on the heads of female and immature scoters are very unreliable and highly variable. Fortunately the two key characteristics were plainly visible when the bird flew; paddling along the water for a short distance (confirmed scoter), and prominent white secondaries (confirmed white-winger scoter) \| The original documentation form event lasted from 14:00:00/14:15:00.	Iowa Ornithologists' Union \| MS 166	33	12
Rare bird documentation form for White-winged Scoter at Union Grove Lake, 1986	Field notes	Birds--Identification Ornithology Rare birds	1986-11-10	1986-11-28	Rare birds documentation form	Rare bird documentation form for a White-winged Scoter at Union Grove Lake in Tama County, IA on November 10, 1986.	Proescholdt, Beth	White-winged Scoter	Union Grove Lake	Union Grove Lake, Tama County	a small lake with a cluster of houses along one side.	The documentation form by Beth Proescholdt is the only one submitted and forms the basis of this record. Other observers include Phyllis Harris, Ramona Sommerlot, and Mark Proescholdt. \| Elimination of similar species: as we saw it fly with white wing patches + distinct white facial spots there was nothing else to confuse with it. \| The original documentation form event lasted from 13:30:00/13:31:00.	Iowa Ornithologists' Union \| MS 166	33	12
Rare bird documentation form for White-winged Scoter at Union Grove State Park, 1986	Field notes	Birds--Identification Ornithology Rare birds	1986-11-10	1986-11-18	Rare birds documentation form	Rare bird documentation form for a White-winged Scoter at Union Grove State Park in Tama County, IA on November 10, 1986.	Proescholdt, Mark	White-winged Scoter	Union Grove State Park	Union Grove State Park - (Tama Co.)	small lake with brush and weeds along edges on north end	The documentation form by Mark Proescholdt is the only one submitted and forms the basis of this record. Other observers include Beth Proescholdt, Phyllis Harris, and Ramona Sommerlot. \| Elimination of similar species: An immature Surf Scoter lacks the distinctive white wing patch. \| The original documentation form event lasted from 11:10:00/11:23:00.	Iowa Ornithologists' Union \| MS 166	33	12
Rare bird documentation form for White-winged Scoter at Welch Lake, 1986	Field notes	Birds--Identification Ornithology Rare birds	1986-11-01	1986-11-07	Rare birds documentation form	Rare bird documentation form for three White-winged Scoters at Welch Lake in Dickinson County, IA on November 1, 1986.	Thelen, Ed	White-winged Scoter	Welch Lake	Welch Lake, Dickinson County 3 mi W, 2 mi N Spirit Lake	75 acre open water shallow lake	The documentation form by Ed Thelen is the only one submitted and forms the basis of this record. Other observers include Cal Tigges. \| Elimination of similar species: Surf Scooter [sic] - large white wing patches when they flew identified them as White-wings. \| The original documentation form event lasted from 16:00:00/16:15:00.	Iowa Ornithologists' Union \| MS 166	33	12
Rare bird documentation form for White-winged Scoter at Saylorville Reservoir, 1986	Field notes	Birds--Identification Ornithology Rare birds	1986-10-19	1986-10-24	Rare birds documentation form	Rare bird documentation form for a White-winged Scoter at Saylorville Reservoir in Polk County, IA on October 19, 1986.	Dinsmore, Stephen J.	White-winged Scoter	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 combination of large size, brown body color, light patches on the cheek, and white wing patch eliminates all other ducks. \| The original documentation form event lasted from 16:00:00/16:15:00.	Iowa Ornithologists' Union \| MS 166	33	12
Rare bird documentation form for White-winged Scoter at Saylorville Reservoir, 1985	Field notes	Birds--Identification Ornithology Rare birds	1985-11-24	N/A	Rare birds documentation form	Rare bird documentation form for a White-winged Scoter at Saylorville Reservoir in Polk County, IA on November 24, 1985.	Martsching, Paul	White-winged Scoter	Saylorville Lake	(upstream side of dam) Saylorville Reservoir, Polk County, Iowa		The documentation form by Paul Martsching is the only one submitted and forms the basis of this record. \| Elimination of similar species: Black Scoter & Surf Scoter don't have white wing patches. \| The original documentation form event lasted from 11:55:00/12:20:00.	Iowa Ornithologists' Union \| MS 166	33	12
Rare bird documentation form for White-winged Scoter at Big Creek State Park, 1985	Field notes	Birds--Identification Ornithology Rare birds	1985-11-23	1985-12-03	Rare birds documentation form	Rare bird documentation form for a White-winged Scoter at Big Creek State Park in Polk County, IA on November 23, 1985.	Zaletel, Hank	White-winged Scoter	Big Creek State Park	Big Creek State Park	lake	The documentation form by Hank Zaletel is the only one submitted and forms the basis of this record. Other observers include Francis Moore, Steve Dinsmore, and Bob Meyer. \| The original documentation form event lasted from 13:15:00/13:30:00.	Iowa Ornithologists' Union \| MS 166	33	12
Rare bird documentation form for White-winged Scoter near Keokuk, 1985	Field notes	Birds--Identification Ornithology Rare birds	1985-11-11	1985-11-18	Rare birds documentation form	Rare bird documentation form for eight White-winged Scoters on the Mississippi River near Keokuk in Lee County, IA on November 11, 1985.	Cecil, Robert I.	White-winged Scoter	Keokuk	Mississippi River, Lee County, Iowa (near Keokuk)	Upper pool of Miss. River Lock and Dam 19	The documentation form by Robert I. Cecil is the only one submitted and forms the basis of this record. \| Elimination of similar species: Am. Coots have thin white band of white on trailing edge of wing, not conspicuous flashing patches. Am. Black Ducks have whitish underneath wings, but not confined to speculum, not visible on wing upper surface, as was on birds I observed. \| The original documentation form event occurred around 11:10:00.	Iowa Ornithologists' Union \| MS 166	33	12