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 Lesser Black-backed Gull at Saylorville Dam in 1998	Field notes	Birds--Identification Ornithology Rare birds	1998-11-04	N/A	Manuscript, graphic, and printed material	Rare bird documentation form for a Lesser Black-backed Gull at Saylorville Dam in Polk County, IA on November 4, 1998.	Schoenewe, Lee A.	Lesser Black-backed Gull	Saylorville Dam				Iowa Ornithologists' Union \| MS 166	34	36
Rare bird documentation form for Glaucous Gull at Saylorville Reservoir, 1988	Field notes	Birds--Identification Ornithology Rare birds	1988-11-30	N/A	Rare birds documentation form	Rare bird documentation form for a Glaucous Gull at Saylorville Reservoir in Polk County, IA on November 30, 1988.	Dinsmore, Stephen J.	Glaucous Gull	Saylorville Lake	Saylorville Reservoir, Polk County	open strip of water on large, frozen reservoir	The documentation form by Steve Dinsmore is the only one submitted and forms the basis of this record. \| Elimination of similar species: Iceland Gull eliminated by smaller size (smaller than Herring Gull), smaller, darker bill, and small-headed appearance. \| The original documentation form event lasted from 11:30:00/12:30:00.	Iowa Ornithologists' Union \| MS 166	34	37
Rare bird documentation form for Glaucous Gull east of Sand Point at Coralville Reservoir, 1984	Field notes	Birds--Identification Ornithology Rare birds	1984-11-25	N/A	Rare birds documentation form	Rare bird documentation form for a Glaucous Gull east of Sand Point at Coralville Reservoir in Johnson County, IA on November 25, 1984.	Newlon, Michael C.	Glaucous Gull	Sand Point	1 mi E of Sand Pt, Coralville Reservoir, Johnson Co IA	reservoir	The documentation form by Mike C. Newlon is the only one submitted and forms the basis of this record. \| Elimination of similar species: immaculate primaries + bill diagnostic.	Iowa Ornithologists' Union \| MS 166	34	37
Rare bird documentation form for Glaucous Gull at Mehaffey Bridge at Coralville Reservoir, 1983	Field notes	Birds--Identification Ornithology Rare birds	1983-03-05	N/A	Rare birds documentation form	Rare bird documentation form for a Glaucous Gull at Mehaffey Bridge at Coralville Reservoir in Johnson County, IA on March 5, 1983.	Kent, Thomas H. (Thomas Hugh), 1934-	Glaucous Gull	Mehaffey Bridge	Mahaffy [sic] Bridge - Coralville Res., Johnson Co. IA	Reservoir	The documentation form by Thomas H. Kent is the only one submitted and forms the basis of this record. \| Elimination of similar species: Size and probability tend to eliminate Iceland Gull. Too light for Thayer's. White wing tips exclude Herring. \| The original documentation form event lasted from 10:45:00/10:48:00.	Iowa Ornithologists' Union \| MS 166	34	37
Rare bird documentation form for Glaucous Gull at Little Clear Lake, 1981	Field notes	Birds--Identification Ornithology Rare birds	1981-03-22	N/A	Rare birds documentation form	Rare bird documentation form for a Glaucous Gull at Little Clear Lake in Pocahontas County, IA on March 22, 1981.	Cummins, Raymond L.	Glaucous Gull	Little Clear Lake Park	Little Clear Lake	aerial	The documentation form by Raymond Cummins is the only one submitted and forms the basis of this record. Other observers include Wallace Jardine. \| Elimination of similar species: Herring Gull + Ivory \| The original documentation form event lasted from 08:30:00/08:32:00.	Iowa Ornithologists' Union \| MS 166	34	37
Rare bird documentation form for Glaucous Gull at Lock and Dam 15, 1981	Field notes	Birds--Identification Ornithology Rare birds	1981-01-04	N/A	Rare birds documentation form	Rare bird documentation form for two Glaucous Gulls at Lock and Dam 15 in Davenport in Scott County, IA on January 4, 1981.	Petersen, Peter C.	Glaucous Gull	Lock and Dam 15	Lock + Dam #15, Davenport	Miss. River ice, just above Govt. bridge obs. from Corps. of Engrs. obs. deck-inside bldg thru plate glass.	The documentation form by Peter C. Petersen is the only one submitted and forms the basis of this record. Other observers include Mary Lou Petersen, Alan Hahn, Tim Dwyer, Thomas H Kent, and Lewis Blevins. \| Elimination of similar species: Iceland Gull - one bird too large. Both showed bill tip too distinct, head shape too flat, flight with slower wing beat & heavy bodied. \| The original documentation form event lasted from 09:10:00/09:45:00.	Iowa Ornithologists' Union \| MS 166	34	37
Rare bird documentation form for Glaucous Gull at Lock and Dam 15 at Davenport, 1981	Field notes	Birds--Identification Ornithology Rare birds	1981-01-02	N/A	Rare birds documentation form	Rare bird documentation form for a Glaucous Gull at Lock and Dam 15 at Davenport in Scott County, IA on January 2, 1981.	Kent, Thomas H. (Thomas Hugh), 1934-	Glaucous Gull	Lock and Dam 15	Lock 15 Davenport IA	Mississippi River below dam Downtown Davenport	The documentation form by Thomas H. Kent is the only one submitted and forms the basis of this record. Other observers include William Kent. \| Elimination of similar species: Iceland, Herring Gulls. \| The original documentation form event lasted from 12:15:00/12:20:00.	Iowa Ornithologists' Union \| MS 166	34	37
Rare bird documentation form for Glaucous Gull at Lock and Dam 14, 1980	Field notes	Birds--Identification Ornithology Rare birds	1980-12-21	N/A	Rare birds documentation form	Rare bird documentation form for a Glaucous Gull at Lock and Dam 14 in Scott County, IA on December 21, 1980.	Kent, Thomas H. (Thomas Hugh), 1934-	Glaucous Gull	Lock and Dam 14	Lock + Dam 14, Scott Co, Iowa	Mississippi River, frozen except below dam and small area about dam	The documentation form by Thomas H. Kent is the only one submitted and forms the basis of this record. Other observers include Thomas Shire and William Kent. \| Elimination of similar species: Herring gull - uniform light color Iceland gull - size, black-tipped bill \| The original documentation form event lasted from around 10:00:00/10:15:00.	Iowa Ornithologists' Union \| MS 166	34	37
Rare bird documentation form for Glaucous Gull at Lock and Dam 14 near Davenport, 1979	Field notes	Birds--Identification Ornithology Rare birds	1979-12-16	N/A	Rare birds documentation form	Rare bird documentation form for a Glaucous Gull at Lock and Dam 14 near Davenport in Scott County, IA on December 16, 1979.	Kent, Thomas H. (Thomas Hugh), 1934-	Glaucous Gull	Lock and Dam 14	Lock 14 N. of Davenport IA	Open river below dam Mississippi River	The documentation form by Thomas H. Kent is the only one submitted and forms the basis of this record. Other observers include Thomas Shires. \| Elimination of similar species: Herring Gull immature - many present for comparison. All Herring Gull had variable black-gray on wings and tail Iceland Gull - large bill with pale base and size eliminate this species, also rare \| The original documentation form event lasted from 09:00:00/09:05:00.	Iowa Ornithologists' Union \| MS 166	34	37
Rare bird documentation form for Glaucous Gull at Lake Manawa, 1978	Field notes	Birds--Identification Ornithology Rare birds	1978-12-06	N/A	Rare birds documentation form	Rare bird documentation form for a Glaucous Gull at Lake Manawa in Pottawattamie County, IA on December 6, 1978.	Bray, Tanya Kovanda, Sandra Padelford, Babs	Glaucous Gull	Lake Manawa State Park	Lake Manawa, Iowa	Large, fresh water lake - 3/4 frozen	The documentation form by Tanya Bray, Sandy Kovanda, and Babs Padelford is the only one submitted and forms the basis of this record. Other observers include Rushton G. Cortelyou. \| Elimination of similar species: All of us are familiar with herring gulls. The large size, white plumage, and absence of black on wing tips eliminated this species. \| The original documentation form event lasted from 10:30:00/11:00:00.	Iowa Ornithologists' Union \| MS 166	34	37
Rare bird documentation form for Lesser Black-backed Gull at Jester Park, 1999	Field notes	Birds--Identification Ornithology Rare birds	1999-12-06	N/A	Rare birds documentation form	Rare bird documentation form for a Lesser Black-backed Gull at Jester Park in Polk County, IA on December 6, 1999.	Brees, Aaron	Lesser Black-backed Gull	Jester Park	Jester Park, Campground 4		The documentation form by Aaron Brees is the only one submitted and forms the basis of this record. \| Elimination of similar species: Herring Gull was eliminated by structure, wing pattern, and tail pattern. California Gull was eliminated by bill coloration and tail pattern. Thayers Gull was eliminated by wing pattern, structure, and over all color.	Iowa Ornithologists' Union \| MS 166	34	36
Rare bird documentation form for Lesser Black-backed Gull at Manhattan Point at West Okoboji Lake, 1999	Field notes	Birds--Identification Ornithology Rare birds	1999-11-21	N/A	Rare birds documentation form	Rare bird documentation form for a Lesser Black-backed Gull at Manhattan Point at West Okoboji Lake in Dickinson County, IA on November 21, 1999.	Kenne, Matthew C.	Lesser Black-backed Gull	Manhattan Point	West Okoboji Lake, Dickinson Co., 21 Nov 1999		The documentation form by Matthew Kenne is the only one submitted and forms the basis of this record. Other observers include Lee Schoenewe. \| Elimination of similar species: The bird was standing on Manhattan Point with several Herring Gulls of various ages and many more Ring-billed Gulls, facing quarter-on towards Lee Schoenewe and I. It was a dark 1st year gull, similar to, but slightly smaller than, other 1st year Herring Gulls present. It had an all black bill that was smaller than the other Herrings. [...] Lee and I waited for about 10 minutes for the bird to turn to the side, showing us blackish wingtips and dark tertials, eliminating the Thayer's Gull possbility we had been considering. The wing tips extended farther beyond the body than on the Herring Gulls. [...] There was no pale 'window' in the inner primaries as in a Herring Gull. \| The original documentation form event occurred in the early afternoon for approximately 10 minutes.	Iowa Ornithologists' Union \| MS 166	34	36
Rare bird documentation form for Lesser Black-backed Gull at Spring Run Wetland Area - Lair Tract, 1998	Field notes	Birds--Identification Ornithology Rare birds	1998-11-08	N/A	Rare birds documentation form	Rare bird documentation form for a Lesser Black-backed Gull at Spring Run Wetland Area - Lair Tract in Dickinson County, IA on November 8, 1998.	Schoenewe, Lee A.	Lesser Black-backed Gull	Spring Run Wetland Complex, Lair Tract	Spring Run area just east of landfill, Dickinson Co.	Open field - corn stubble	The documentation form by Lee A. Schoenewe is the only one submitted and forms the basis of this record. Other observers include Ed Thelen. \| Elimination of similar species: Herring Gull/California Gull by mantle color: Great-black-backed/Western/Slaty-backed by streaking on head + neck \| The original documentation form event lasted from 09:30:00/10:10:00.	Iowa Ornithologists' Union \| MS 166	34	36
Rare bird documentation form for Thayer's Gull south of Muscatine, 1997	Field notes	Birds--Identification Ornithology Rare birds	1997-12-28	N/A	Rare birds documentation form	Rare bird documentation form for a Thayer's Gull south of Muscatine in Muscatine County, IA on December 28, 1997.	McKay, Kelly	Thayer's Gull	Muscatine	just south of Muscatine, IA., Muscatine county standing on ice shelves.		The documentation form by Kelly J. McKay is the only one submitted and forms the basis of this record. Other observers include Gerry White. \| Elimination of similar species: The bird was about the size of a herring gull (slightly smaller), but much paler.	Iowa Ornithologists' Union \| MS 166	34	35
Rare bird documentation form for Lesser Black-backed Gull on the Mississippi River at Davenport, 1996	Field notes	Birds--Identification Ornithology Rare birds	1996-01-07	N/A	Rare birds documentation form	Rare bird documentation form for a Lesser Black-backed Gull on the Mississippi River at Davenport in Scott County, IA on January 7, 1996.	Edwards, Chris	Lesser Black-backed Gull	Davenport	Mississippi River, Davenport, Scott Co.	River.	The documentation form by Chris Edwards is the only one submitted and forms the basis of this record. Other observers include Curtis Nelson. \| Elimination of similar species: Great Black-backed Gull is much larger, has a blacker back, and pale pink legs. Herring Gull has a lighter gray mantle and pink legs. \| The original documentation form event lasted from 13:45:00/15:00:00.	Iowa Ornithologists' Union \| MS 166	34	36
Rare bird documentation form for Lesser Black-backed Gull at Lock and Dam 14, 1995	Field notes	Birds--Identification Ornithology Rare birds	1995-12-24	N/A	Rare birds documentation form	Rare bird documentation form for Lesser Black-backed Gull at Lock and Dam 14 in Scott County, IA on December 24, 1995.	Kent, Thomas H. (Thomas Hugh), 1934-	Lesser Black-backed Gull	Lock and Dam 14	Lock + Dam 14, Scott Co.	Mississippi R., on ice in backwater near dam	The documentation form by Thomas H. Kent is the only one submitted and forms the basis of this record. \| Elimination of similar species: Size, yellow legs, not pure black eliminates other dark-mantled gulls. \| The original documentation form event lasted from 08:40:00/08:50:00 approximately.	Iowa Ornithologists' Union \| MS 166	34	36
Rare bird documentation form for Lesser Black-backed Gull at Lock and Dam 15, 1995	Field notes	Birds--Identification Ornithology Rare birds	1995-02-04	N/A	Rare birds documentation form	Rare bird documentation form for a Lesser Black-backed Gull at Lock and Dam 15 in Scott County, IA on February 4, 1995.	Kent, Thomas H. (Thomas Hugh), 1934-	Lesser Black-backed Gull	Lock and Dam 15	Above Lock and Dam 15, Davenport, Scott Co., IA	Mississippi River, river open.	The documentation form by Thomas H. Kent is the only one submitted and forms the basis of this record. Other observers include several unnamed people. \| Elimination of similar species: The size and mantle color exclude Great Black-backed Gull. The mantle was too dark for a California Gull. Slaty-backed Gull would likely appear larger, have a darker mantle, and more white in tertials. \| The original documentation form event lasted from 12:30:00/13:00:00 estimated.	Iowa Ornithologists' Union \| MS 166	34	36
Rare bird documentation form for Lesser Black-backed Gull at Saylorville Reservoir, 1986	Field notes	Birds--Identification Ornithology Rare birds	1986-11-29	N/A	Rare birds documentation form	Rare bird documentation form for a Lesser Black-backed Gull at Saylorville Reservoir in Polk County, IA on November 29, 1986.	Dinsmore, Stephen J.	Lesser Black-backed Gull	Saylorville Lake	Saylorville Reservoir, Polk Co.	sitting on ice above dam	The documentation form by Steve Dinsmore is the only one submitted and forms the basis of this record. Other observers include Peter Wickham, Mark Brogie, Barb Wilson, Tanya Bray, and Bery Engebretsen. \| Elimination of similar species: Great Black-backed Gull was eliminated by the smaller size, contrast between the wingtips and the rest of the wing, and by the heavy streaking on the head (head should be mostly white on a Great Black-backed Gull). California Gull was eliminated by the darker mantle, darker underwing and dark carpal bar, lack of a dark spot on the bill, and by the dark smudge at the base of the bill (this is characteristic of 3rd summer Lesser Black-backed Gulls and is never present on California Gulls). \| The original documentation form event lasted from 10:08:00/12:10:00.	Iowa Ornithologists' Union \| MS 166	34	36
Rare bird documentation form for Lesser Black-backed Gull at Cedar Lake, 1992	Field notes	Birds--Identification Ornithology Rare birds	1992-01-05	N/A	Rare birds documentation form	Rare bird documentation form for a Lesser Black-backed Gull at Cedar Lake in Linn County, IA on January 5, 1992.	Kent, Thomas H. (Thomas Hugh), 1934-	Lesser Black-backed Gull	Cedar Lake	Cedar Lake, Linn Co., Iowa	backwater lake and cooling pond with some ice	The documentation form by Thomas H. Kent is the only one submitted and forms the basis of this record. \| Elimination of similar species: The leg color and size eliminate other dark mantled gulls. \| The original documentation form event lasted from 09:50:00/10:00:00 and 10:30:00.	Iowa Ornithologists' Union \| MS 166	34	36
Details for rare bird sighting, Jim Fuller, 1992	Field notes	Birds--Identification Ornithology Rare birds	1992-01-05	N/A	Manuscript, graphic, and printed material	Field report for sighting of a Lesser Black-backed Gull at Lock and Dam 14 and at Moline Riverfront on January 5, 1992, contributed by Jim Fuller. Other observers include Jane Fuller and Carol Thompson.	Fuller, James L	Lesser Black-backed Gull	Lock and Dam 14 Moline				Iowa Ornithologists' Union \| MS 166	34	36
Rare bird documentation form for Lesser Black-backed Gull at Mississippi River between Bettendorf, IA and Moline, IL, 1992	Field notes	Birds--Identification Ornithology Rare birds	1992-01-11	N/A	Rare birds documentation form	Rare bird documentation form for a Lesser Black-backed Gull at Mississippi River between Bettendorf in Scott County, IA and Moline in Rock Island County, IL on January 11, 1992.	Petersen, Peter C.	Lesser Black-backed Gull	Bettendorf Moline	Miss. R. between Bettendorf + Moline, Scott + R.I. Cos.	river channel	The documentation form by Peter C. Petersen is the only one submitted and forms the basis of this record. \| Elimination of similar species: Great Black-backed - back not black, too small. Slaty-backed - a bit small, trailing edge of wing with narrow, not wide, white edge. Western - a bit small bill not larger + heavier than the several nearby Herrings. \| The original documentation form event lasted from 08:50:00/09:00:00.	Iowa Ornithologists' Union \| MS 166	34	36
Rare bird documentation form for Lesser Black-backed Gull at Lock and Dam 15, 1992	Field notes	Birds--Identification Ornithology Rare birds	1992-01-17	N/A	Rare birds documentation form	Rare bird documentation form for a Lesser Black-backed Gull at Lock and Dam 15 in Davenport in Scott County, IA on January 17, 1992.	Kent, Thomas H. (Thomas Hugh), 1934-	Lesser Black-backed Gull	Lock and Dam 15	Above Lock + Dam 15, Davenport, IA	Frozen river	The documentation form by Thomas H. Kent is the only one submitted and forms the basis of this record. Other observers include Jim Fuller. \| Elimination of similar species: Size and leg color eliminate other dark mantled gulls. \| The original documentation form event lasted from 13:30:00/14:30:00.	Iowa Ornithologists' Union \| MS 166	34	36
Rare bird documentation form for Lesser Black-backed Gull on the Mississippi River between Bettendorf, IA and Moline, IL, 1992	Field notes	Birds--Identification Ornithology Rare birds	1992-02-02	N/A	Rare birds documentation form	Rare bird documentation form for a Lesser Black-backed Gull on the Mississippi River between Bettendorf in Scott County, IA and Moline in Rock Island County, IL on February 2, 1992.	Petersen, Peter C.	Lesser Black-backed Gull	Bettendorf Moline	Miss. River between Bettendorf, Scott Co., IA + Moline, R.I. Co., IL.	Main channel of Miss. River	The documentation form by Peter C. Petersen is the only one submitted and forms the basis of this record. Other observers include Ann Johnson and Gerald White. \| Elimination of similar species: Great-Black-backed- seen with one, much smaller, mantle not black. Slaty-backed. This bird smaller than Herrings, legs were yellow. \| The original documentation form event lasted from 13:30:00/13:35:00.	Iowa Ornithologists' Union \| MS 166	34	36
Rare bird documentation form for Lesser Black-backed Gull at Greencastle Road at Coralville Reservoir, 1993	Field notes	Birds--Identification Ornithology Rare birds	1993-12-19	N/A	Rare birds documentation form	Rare bird documentation form for a Lesser Black-backed Gull at Greencastle Road at Coralville Reservoir in Johnson County, IA on December 19, 1993.	Fuller, James L	Lesser Black-backed Gull	Coralville Lake	East of the north end of the Greencastle Road at the Coralville Reservoir (Johnson County).	Shallow water and mudflats.	The documentation form by Jim Fuller is the only one submitted and forms the basis of this record. Other observers include John McClure, Chris Edwards, and Jonnie Ellsworth. \| Elimination of similar species: All other dark mantled gulls have a larger size. They also have pink legs, with the exception of Yellow-footed Gull, which has never been known to wander from Baja and Southern California. Yellow-footed gull is also considerably larger. No one disagreed with identification. \| The original documentation form event lasted from 12:55:00/13:15:00.	Iowa Ornithologists' Union \| MS 166	34	36
Thayer's Gull, 12-20-98, Kelly J. McKay	Field notes	Birds--Identification Rare birds	1998-12-20	N/A	Manuscript, graphic, and printed material	Field notes for the sighting of a Thayer's Gull by Kelly McKay on December 20, 1998.	McKay, Kelly	Thayer's Gull	Iowa				Iowa Ornithologists' Union \| MS 166	34	35