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

Form for reporting Iowa Christmas bird counts to Iowa Bird Life, W. Ross Silcock, December 20, 1986	Field notes Forms (documents)	Bird watching Birds--Counting Birds--Research Ornithology--Methodology Weather	1986-12-20	N/A	Manuscript, graphic, and printed material	Iowa Christmas bird counts of regular and uncommon species found in Payne Junction contributed by W. Ross Silcock, December 20, 1986. This item was used as supporting documentation for the Iowa Ornithologists Union Quarterly field report of winter 1986-1987.	Silcock, W. Ross	Cooper's Hawk Loggerhead Shrike House Sparrow Great Horned Owl Greater Scaup Ruddy Duck Spotted Towhee Snow Goose American Coot Northern Pintail Gadwall Dark-eyed Junco Northern Shrike Common Starling	Payne Junction				Iowa Ornithologists' Union \| MS 166	22	6
Form for reporting Iowa Christmas bird counts to Iowa Bird Life, Beth Brown, December 20, 1986	Field notes Forms (documents)	Bird watching Birds--Counting Birds--Research Ornithology--Methodology Weather	1986-12-20	N/A	Manuscript, graphic, and printed material	Iowa Christmas bird counts of regular and uncommon species found in Lucas contributed by Beth Brown, December 20, 1986. This item was used as supporting documentation for the Iowa Ornithologists Union Quarterly field report of winter 1986-1987.	Brown, Beth	Red-headed Woodpecker American Crow Cedar Waxwing House Sparrow Great Horned Owl Barred Owl Purple Finch American Tree Sparrow Swamp Sparrow Black-capped Chickadee Dark-eyed Junco Horned Lark Common Starling	Lucas				Iowa Ornithologists' Union \| MS 166	22	6
Form for reporting Iowa Christmas bird counts to Iowa Bird Life, Bill Heusinkveld, December 20, 1986	Field notes Forms (documents)	Bird watching Birds--Counting Birds--Research Ornithology--Methodology Weather	1986-12-20	N/A	Manuscript, graphic, and printed material	Iowa Christmas bird counts of regular and uncommon species found at Lake Rathbun contributed by Bill Heusinkveld, December 20, 1986. This item was used as supporting documentation for the Iowa Ornithologists Union Quarterly field report of winter 1986-1987.	Heusinkveld, Bill	Killdeer Ring-billed Gull Thayer's Gull Pied-billed Grebe Ring-necked Duck House Sparrow Red-breasted Merganser Black-legged Kittiwake American Wigeon Hooded Merganser Ruddy Duck Glaucous Gull Snow Goose American Coot Canada Goose Northern Pintail Northern Shoveler Gadwall Common Merganser Burrowing Owl Mallard	Rathbun Lake				Iowa Ornithologists' Union \| MS 166	22	6
Form for reporting Iowa Christmas bird counts to Iowa Bird Life, Margaret Seeck and Rita E. Efta, December 20, 1986	Field notes Forms (documents)	Bird watching Birds--Counting Birds--Research Ornithology--Methodology Weather	1986-12-20	N/A	Manuscript, graphic, and printed material	Iowa Christmas bird counts of regular and uncommon species found in Sac County contributed by Margaret Seeck and Rita E. Efta, December 20, 1986. This item was used as supporting documentation for the Iowa Ornithologists Union Quarterly field report of winter 1986-1987.	Efta, Rita E. Seeck, Margaret	Bald Eagle American Kestrel Harris' Sparrow House Sparrow American Tree Sparrow Pine Siskin Red-winged Blackbird American Robin Brown Creeper Common Starling	Sac County				Iowa Ornithologists' Union \| MS 166	22	6
Form for reporting Iowa Christmas bird counts to Iowa Bird Life, Hank Zaletel, December 20, 1986	Field notes Forms (documents)	Bird watching Birds--Counting Birds--Research Ornithology--Methodology Weather	1986-12-20	N/A	Manuscript, graphic, and printed material	Iowa Christmas bird counts of regular and uncommon species found in Ames and Nevada contributed by Hank Zaletel, December 20, 1986. This item was used as supporting documentation for the Iowa Ornithologists Union Quarterly field report of winter 1986-1987.	Zaletel, Hank	Yellow-bellied Sapsucker American Crow Blue Jay Common Grackle Northern Cardinal Lapland Longspur Loggerhead Shrike Common Pigeon White-throated Sparrow House Sparrow Barred Owl Black-capped Chickadee Great Blue Heron Red-winged Blackbird American Robin Dark-eyed Junco Common Starling	Ames Nevada				Iowa Ornithologists' Union \| MS 166	22	6
Form for reporting Iowa Christmas bird counts to Iowa Bird Life, Ed Savage, December 20, 1986	Field notes Forms (documents)	Bird watching Birds--Counting Birds--Research Ornithology--Methodology Weather	1986-12-20	N/A	Manuscript, graphic, and printed material	Iowa Christmas bird counts of regular and uncommon species found in Marshalltown contributed by Ed Savage, December 20, 1986. This item was used as supporting documentation for the Iowa Ornithologists Union Quarterly field report of winter 1986-1987.	Savage, Ed	American Crow Blue Jay Brown-headed Cowbird Snow Bunting Common Pigeon Harris' Sparrow House Sparrow Pileated Woodpecker Winter Wren Black-capped Chickadee Dark-eyed Junco Northern Harrier Brown Creeper Common Starling Northern Bobwhite	Marshalltown				Iowa Ornithologists' Union \| MS 166	22	6
Form for reporting Iowa Christmas bird counts to Iowa Bird Life, Thomas J. Staudt, December 20, 1986	Field notes Forms (documents)	Bird watching Birds--Counting Birds--Research Ornithology--Methodology Weather	1986-12-20	N/A	Manuscript, graphic, and printed material	Iowa Christmas bird counts of regular and uncommon species found in Iowa City contributed by Thomas J. Staudt, December 20, 1986. This item was used as supporting documentation for the Iowa Ornithologists Union Quarterly field report of winter 1986-1987.	Staudt, Thomas J.	American Kestrel American Crow Common Grackle Northern Cardinal Carolina Wren Common Pigeon Short-eared Owl Ring-necked Duck Goldeneye House Sparrow Bohemian Waxwing Wood Duck Hooded Merganser American Tree Sparrow American Coot Greater White-fronted Goose Winter Wren Black-capped Chickadee Great Blue Heron American Black Duck Common Merganser Common Starling	Iowa City				Iowa Ornithologists' Union \| MS 166	22	6
Form for reporting Iowa Christmas bird counts to Iowa Bird Life, Dale Fye, December 20, 1986	Field notes Forms (documents)	Bird watching Birds--Counting Birds--Research Ornithology--Methodology Weather	1986-12-20	N/A	Manuscript, graphic, and printed material	Iowa Christmas bird counts of regular and uncommon species found in Cedar Rapids contributed by Dale Fye, December 20, 1986. This item was used as supporting documentation for the Iowa Ornithologists Union Quarterly field report of winter 1986-1987.	Fye, Dale	Red-headed Woodpecker American Crow Brown-headed Cowbird Carolina Wren Common Pigeon Ring-necked Duck White-throated Sparrow House Sparrow Sedge Wren American Tree Sparrow Canada Goose Winter Wren Black-capped Chickadee Great Blue Heron Northern Harrier Mallard Eastern Screech-Owl Common Starling	Cedar Rapids				Iowa Ornithologists' Union \| MS 166	22	6
Form for reporting Iowa Christmas bird counts to Iowa Bird Life, Douglas C. Harr, December 20, 1986	Field notes Forms (documents)	Bird watching Birds--Counting Birds--Research Ornithology--Methodology Weather	1986-12-20	N/A	Manuscript, graphic, and printed material	Iowa Christmas bird counts of regular and uncommon species found in Spirit Lake contributed by Douglas C. Harr, December 20, 1986. This item was used as supporting documentation for the Iowa Ornithologists Union Quarterly field report of winter 1986-1987.	Harr, Douglas C.	Bald Eagle Red-tailed Hawk American Crow Common Grackle Song Sparrow Common Pigeon House Sparrow Brown Thrasher Spotted Towhee American Coot Canada Goose Black-capped Chickadee Dark-eyed Junco Northern Harrier Common Starling	Spirit Lake				Iowa Ornithologists' Union \| MS 166	22	6
Form for reporting Iowa Christmas bird counts to Iowa Bird Life, Thelma Joy Fromm, December 20, 1986	Field notes Forms (documents)	Bird watching Birds--Counting Birds--Research Ornithology--Methodology Weather	1986-12-20	N/A	Manuscript, graphic, and printed material	Iowa Christmas bird counts of regular and uncommon species found in Mason City contributed by Thelma Joy Fromm, December 20, 1986. This item was used as supporting documentation for the Iowa Ornithologists Union Quarterly field report of winter 1986-1987.	Fromm, Thelma	Red-headed Woodpecker Rough-legged Hawk American Crow Blue Jay Varied Thrush Common Pigeon House Sparrow Brown Thrasher Barred Owl Bohemian Waxwing Gray Partridge Pileated Woodpecker Belted Kingfisher Black-capped Chickadee American Robin Dark-eyed Junco American Black Duck Mallard Eastern Screech-Owl Common Starling	Mason City				Iowa Ornithologists' Union \| MS 166	22	6
Form for reporting Iowa Christmas bird counts to Iowa Bird Life, Francis L. Moore, December 20, 1986	Field notes Forms (documents)	Bird watching Birds--Counting Birds--Research Ornithology--Methodology Weather	1986-12-20	N/A	Manuscript, graphic, and printed material	Iowa Christmas bird counts of regular and uncommon species found in Bremer County contributed by Francis L. Moore, December 20, 1986. This item was used as supporting documentation for the Iowa Ornithologists Union Quarterly field report of winter 1986-1987.	Moore, Francis L.	Bald Eagle Red-shouldered Hawk American Kestrel American Crow Blue Jay Northern Cardinal Common Pigeon White-throated Sparrow House Sparrow Pileated Woodpecker Black-capped Chickadee American Robin Dark-eyed Junco Mourning Dove Eastern Screech-Owl Common Starling	Bremer County				Iowa Ornithologists' Union \| MS 166	22	6
Form for reporting Iowa Christmas bird counts to Iowa Bird Life, Darwin Koenig, December 20, 1986	Field notes Forms (documents)	Bird watching Birds--Counting Birds--Research Ornithology--Methodology Weather	1986-12-20	N/A	Manuscript, graphic, and printed material	Iowa Christmas bird counts of regular and uncommon species found in Decorah contributed by Darwin Koenig, December 20, 1986. This item was used as supporting documentation for the Iowa Ornithologists Union Quarterly field report of winter 1986-1987.	Koenig, Darwin	Ruffed Grouse Northern Flicker American Crow Blue Jay Northern Cardinal Common Pigeon House Sparrow Great Horned Owl Barred Owl Great Blue Heron Dark-eyed Junco Common Merganser Common Starling	Decorah				Iowa Ornithologists' Union \| MS 166	22	6
Form for reporting Iowa Christmas bird counts to Iowa Bird Life, K. L. Drews, December 20, 1986	Field notes Forms (documents)	Bird watching Birds--Counting Birds--Research Ornithology--Methodology Weather	1986-12-20	N/A	Manuscript, graphic, and printed material	Iowa Christmas bird counts of regular and uncommon species found in DeSoto National Wildlife Refuge contributed by K. L. Drews, December 20, 1986. This item was used as supporting documentation for the Iowa Ornithologists Union Quarterly field report of winter 1986-1987.	Drews, Karen L.	Cedar Waxwing Carolina Wren Ring-necked Duck House Sparrow Brown Thrasher American Wigeon Redhead Hooded Merganser Ruddy Duck Snow Goose American Coot Canada Goose Northern Pintail Northern Shoveler Greater White-fronted Goose Winter Wren Green-winged Teal Gadwall Great Blue Heron Mallard	DeSoto National Wildlife Refuge				Iowa Ornithologists' Union \| MS 166	22	6
Form for reporting Iowa Christmas bird counts to Iowa Bird Life, Peter C. Petersen, December 19, 1986	Field notes Forms (documents)	Bird watching Birds--Counting Birds--Research Ornithology--Methodology Weather	1986-12-19	N/A	Manuscript, graphic, and printed material	Iowa Christmas bird counts of regular and uncommon species found in Oakville contributed by Peter C. Petersen, December 19, 1986. This item was used as supporting documentation for the Iowa Ornithologists Union Quarterly field report of winter 1986-1987.	Petersen, Peter C.	Ring-billed Gull Turkey Vulture American Crow Blue Jay White-breasted Nuthatch Northern Cardinal Lapland Longspur Carolina Wren Common Pigeon Short-eared Owl House Sparrow Northern Goshawk Osprey Golden Eagle American Tree Sparrow Snow Goose Canada Goose Northern Pintail Black-capped Chickadee Dark-eyed Junco Mourning Dove American Black Duck American Goldfinch Sharp-shinned Hawk Downy Woodpecker Mallard Common Starling	Oakville				Iowa Ornithologists' Union \| MS 166	22	6
Form for reporting Iowa Christmas bird counts to Iowa Bird Life, Sharon Kaufman, December 18, 1986	Field notes Forms (documents)	Bird watching Birds--Counting Birds--Research Ornithology--Methodology Weather	1986-12-18	N/A	Manuscript, graphic, and printed material	Iowa Christmas bird counts of regular and uncommon species found in Lost Nation contributed by Sharon Kaufman, December 18, 1986. This item was used as supporting documentation for the Iowa Ornithologists Union Quarterly field report of winter 1986-1987.	Kaufman, Sharon	American Crow Blue Jay Brown-headed Cowbird White-breasted Nuthatch Northern Cardinal Lapland Longspur Common Pigeon House Sparrow Spotted Towhee American Tree Sparrow Swamp Sparrow Belted Kingfisher Black-capped Chickadee Dark-eyed Junco Horned Lark American Goldfinch Sharp-shinned Hawk Common Starling	Lost Nation				Iowa Ornithologists' Union \| MS 166	22	6
Records Committee review for rare bird sighting of Thayer's Gull at Lock and Dam 19, 1986	Administrative records Field notes	Bird watching Ornithology Ornithology--Societies, etc	1986-12-17	1994-11-04	Rare birds documentation form	Records Committee review for a Thayer's Gull at Lock and Dam 19 in Keokuk in Lee County, IA on December 17, 1986. Includes a record review document with votes, summary of review, and a documentation form submitted to the committee.	Cecil, Robert I.	Thayer's Gull	Lock Number 19	Lock and Dam 19, Keokuk, Lee Co., Iowa	River Rapids	The documentation form by Robert Cecil is the only one submitted and forms the basis of this record. Another observer includes Francis L. Moore. \| Elimination of similar species: Herring Gull:Bill size, pattern of wingtips on upper and under surface of wings. Ringbill: size. Kumlien's Iceland: black rather than gray in wintip [sic] (Tom Kent, personal communication). Adult Glaucous has no black in wingtips. \| The original documentation form event occurred at various times on the various dates listed on the documentation form.	Iowa Ornithologists' Union \| MS 166	11	3
Records committee review for rare bird sighting of Thayer's Gull at Red Rock Reservoir, 1986	Administrative records Field notes	Bird watching Ornithology Ornithology--Societies, etc	1986-12-13	1993-09-07	Rare birds documentation form	Records Committee review for two to five Thayer's Gulls at Red Rock Reservoir in Marion County, IA on December 13, 1986. Includes a record review document with votes, a summary of the review, and a documentation form submitted to the committee.	Dinsmore, Stephen J.	Thayer's Gull	Lake Red Rock	Red Rock Res., Marion Co.-below dam and near the Hwy 14 bridge	resting on sand bar below dam and feeding near open water on main lake	The documentation form by Steve Dinsmore is the only one submitted and forms the basis of this record. Other observers include Mark Proescholdt, Tom Kent, and Tom Staudt. \| Elimination of similar species: The dark tail band and fairly dark body coloration should eliminate Iceland Gull. The smaller bill, rounder head, smaller size, more even body coloration, and pale undersides of the wings eliminates first-winter Herring Gull. \| The original documentation form event occurred around 10:00:00.	Iowa Ornithologists' Union \| MS 166	11	3
Records Committee review for rare bird sighting of Lesser Black-backed Gull at Elk Rock State Park, 1986	Administrative records Field notes	Bird watching Ornithology Ornithology--Societies, etc	1986-12-11	1993-09-07	Rare birds documentation form	Records Committee review for a Lesser Black-backed Gull at Elk Rock State Park in Marion County, IA on December 11, 1986. Includes a record review document with votes, a summary of the review, and a documentation form submitted to the committee.	Fuller, James L	Lesser Black-backed Gull	Elk Rock State Park	on ice in Lake Red Rock as viewed from bluff in N. Elk Rock St. Park	Reservoir on ice	The documentation form by Jim Fuller is the only one submitted and forms the basis of this record. \| Elimination of similar species: Great Black Backed - size other dark immature gulls - wings - more solid + consistent color + mantle solid dark gray \| The original documentation form event lasted from 14:40:00/15:15:00.	Iowa Ornithologists' Union \| MS 166	11	5
Records Committee review for rare bird sighting of California Gull at Cherry Glen Recreation Area at Saylorville Reservoir, 1986	Administrative records Correspondence Field notes	Bird watching Ornithology Ornithology--Societies, etc	1986-12-07	1996-01-25	Rare birds documentation form	Records Committee review for a California Gull at Cherry Glen Recreation Area at Saylorville Reservoir in Polk County, IA on December 7, 1986. Includes a record review document with votes, correspondence about the bird sighting and a request for re-evaluation of sighting, summary of the review, and a documentation form submitted to the committee.	Dinsmore, Stephen J.	California Gull	Cherry Glen Recreation Area	Saylorville Reservoir, Polk Co. (Cherry Glen Recreation Area)	sitting on ice with other gulls	The documentation form by Steve Dinsmore is the only one submitted and forms the basis of this record. \| Elimination of similar species: Herring Gull eliminated by larger size, lighter mantle color, lack of black and red spots on bill, and wrong leg color (pink, although a very few Herring Gull show yellowish legs). Ring-billed Gull eliminated by smaller size, lighter mantle color, lack of a black ring on bill, and by yellower leg color. \| The original documentation form event lasted from 13:13:00/14:08:00.	Iowa Ornithologists' Union \| MS 166	11	1
Record Committee review for rare bird sighting of Pacific Loon at Saylorville Reservoir, 1986	Administrative records Field notes	Bird watching Ornithology Ornithology--Societies, etc	1986-12-06	1994-02-05	Rare birds documentation form	Record Committee review for a Pacific Loon at Saylorville Reservoir in Polk County, IA on December 6, 1986. Includes a record review document with votes, a request of the reconsideration of sight records, and a documentation forms submitted to the committee.	Moore, Francis L.	Pacific Loon	Saylorville Lake	Near Rock rip-rap off shore from Cherry Glen, Saylorville Res., Polk Co. Open water near cove.	Open water near cove	The documentation form by Francis L. Moore is the only one submitted and forms the basis of this record. \| Elimination of similar species: Red-throated and Common Loon does not have tri-toned neck pattern as this bird had. Red-throated also has slightly upturned bill, this bird did not. \| The original documentation form event lasted from 11:45:00/12:05:00	Iowa Ornithologists' Union \| MS 166	7	7
Field reports of Iowa birds, December 6, 1986	Field notes	Bird watching	1986-12-06	N/A	Manuscript, graphic, and printed material	Bendorf lists birds sighted by various bird watchers across Iowa. This item was used as supporting documentation for the Iowa Ornithologists' Union Quarterly Report of fall 1986.	Bendorf, Carl J.	Great Black-backed Gull Yellow-headed Blackbird Blue-headed Vireo Nelson's Sharp-tailed Sparrow Snow Bunting Orchard Oriole Golden-winged Warbler Harris' Sparrow White-throated Sparrow Yellow-throated Warbler Pacific Loon Sabine's Gull Palm Warbler Lark Sparrow Le Conte's Sparrow Dickcissel Baltimore Oriole Purple Finch Tree Swallow Northern Rough-winged Swallow Swainson's Thrush Hermit Thrush Orange-crowned Warbler Magnolia Warbler Black-throated Blue Warbler Yellow-rumped Warbler Bay-breasted Warbler Cerulean Warbler Prothonotary Warbler Ovenbird Wilson's Warbler Canada Warbler Fox Sparrow Golden-crowned Kinglet Blackburnian Warbler Water Pipit Northern Waterthrush Blackpoll Warbler Cape May Warbler Barn Swallow	Ames Appanoose County Big Creek Lake Big Wall Lake Wildlife Management Area Coralville Lake Dallas County Des Moines George Wyth Memorial State Park Grammer Grove County Wildlife Area Greene County High Lake Iowa City Iowa Jackson County Lacey-Keosauqua State Park Ledges State Park Lee County Lyon County Lake Manawa Marshall County Saylorville Lake Stone State Park Warren County Brookside Park Des Moines County				Iowa Ornithologists' Union \| MS 166	22	5
Records Committee review for rare bird sighting of Great Black-backed Gull at Red Rock Reservoir, 1986	Administrative records Field notes	Bird watching Ornithology Ornithology--Societies, etc	1986-12-03	1993-09-07	Rare birds documentation form	Records Committee review for a Great Black-backed Gull at Red Rock Reservoir in Marion County, IA on December 3, 1986. Includes a record review document with votes and a documentation submitted to the committee.	Petersen, Peter C.	Great Black-backed Gull	Lake Red Rock	Seen from Hwy 14 bridge across Red Rock Res.		The documentation by Peter C. Petersen is the only one submitted and forms the basis of this record. Another observer includes Gil Sandvick. \| Elimination of similar species: [...] Herring Gull eliminated by large size, small amount of dark brown on tail, light head + rump. Also lacked light area on inner primaries noted in the nearby Herring Gull. \| The original documentation form event lasted from 14:35:00/14:35:30.	Iowa Ornithologists' Union \| MS 166	11	8
Records Committee review for rare bird sighting of Lesser Black-backed Gull at Elk Rock State Park, 1986	Administrative records Field notes	Bird watching Ornithology Ornithology--Societies, etc	1986-12-03	1993-09-07	Rare birds documentation form	Records Committee review for a Lesser Black-backed Gull at Elk Rock State Park in Marion County, IA on December 3, 1986. Includes a record review document with votes and a documentation form submitted to the committee.	Petersen, Peter C.	Lesser Black-backed Gull	Elk Rock State Park	[...] resting on mud bar just w. of old Hwy 14 a long north edge of reservoir.		The documentation form by Peter C. Petersen is the only one submitted and forms the basis of this record. Gil Sandvick was another observer. \| Elimination of similar species: [...] Bird slightly smaller than nearby adult Herring Gull, larger than Ring-billed Gulls surrounding it. head white with tan flecking back + mantle slaty grey, much darker than Herring Gull. \| The original documentation form event lasted from 14:45:00/14:50:00.	Iowa Ornithologists' Union \| MS 166	11	5
Records Committee review for rare bird sighting of Thayer's Gull at Red Rock Reservoir, 1986	Administrative records Field notes	Bird watching Ornithology Ornithology--Societies, etc	1986-12-03	1993-09-07	Rare birds documentation form	Records Committee review of two Thayer's Gulls at Red Rock Reservoir in Marion County, IA on December 3, 1986. Includes a record review document with votes and a documentation form submitted to the committee.	Kent, Thomas H. (Thomas Hugh), 1934-	Thayer's Gull	Lake Red Rock	Red Rock Reservoir	reservoir with ice and open water.	The documentation form by Thomas H. Kent is the only one submitted and forms the basis of this record. Other observers include Cal Knight, Bernie Knight, and Jim Fuller. \| Elimination of similar species: Herring Gull --see above. [...] The bird is not any larger than some of the ring-bills--some of the ring-bills are smaller. The larger ring-bills are almost as big as this bird, and it is distinctly smaller than a number of Herring Gulls in the same field. The bill is much smaller and thinner; the head is small. [...] The striking thing about this bird is the size, bill shape and head shape compared to the nearby herrings and very distinct smudge through the eye." \| The original documentation form event lasted from around 09:10:00 for several minutes and 15:55:00 for many minutes.	Iowa Ornithologists' Union \| MS 166	11	3
Records Committee review for rare bird sighting of Thayer's Gull at Cottonwood Recreation Area near Saylorville Dam, 1986	Administrative records Field notes	Bird watching Ornithology Ornithology--Societies, etc	1986-12-03	1993-09-07	Rare birds documentation form	Records Committee review of a Thayer's Gull at Cottonwood Recreation Area near Saylorville Dam in Polk County, IA on December 3, 1986. Includes a record review document with votes and a documentation form submitted to the committee.	Petersen, Peter C.	Thayer's Gull	Cottonwood Recreation Area	Cottonwood Rec. Area below Saylorville Dam. Polk Co		The documentation form by Peter C. Petersen is the only one submitted and forms the basis of this record. Other observers include Beth Proescholdt, Mark Proescholdt, Steve Dinsmore, Gil Sandvick, and unidentified other observers. \| Elimination of similar species: [...] Birds call not distinguishable from Ring-billed Gulls feeding with it. [...] Herring Gull eliminated by lack of sharp contrast between primaries + remainder of mantle + back and whitish undersides of primaries. \| The original documentation form event lasted from 10:02:00/10:03:00.	Iowa Ornithologists' Union \| MS 166	11	3