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 Peregrine Falcon at Otter Creek Marsh, 1984	Field notes	Birds--Identification Ornithology Rare birds	1984-04-29	1984-05-27	Rare birds documentation form	Rare bird documentation form for a Peregrine Falcon at Otter Creek Marsh in Tama County, IA on April 29, 1984.	Proescholdt, Mark	Peregrine Falcon	Otter Creek Marsh State Wildlife Refuge	Otter Creek Marsh (Tama County)	Marsh with tall trees along edges	The documentation form by Mark Proescholdt is the only one submitted and forms the basis of this record. Other observers include Beth Proescholdt, Jim Mairs, Pauline Mairs, and Peter Petersen. \| Elimination of similar species: A Merlin is much smaller and lacks the heavy black sideburns. \| The original documentation form event lasted from 09:40:00/09:45:00 and 10:45:00/10:47:00.	Iowa Ornithologists' Union \| MS 166	33	34
Rare bird documentation form for Peregrine Falcon at Otter Creek Marsh, 1984	Field notes	Birds--Identification Ornithology Rare birds	1984-05-14	1984-05-15	Rare birds documentation form	Rare bird documentation form for a Peregrine Falcon at Otter Creek Marsh in Tama County, IA on May 14, 1984.	Kent, Thomas H. (Thomas Hugh), 1934-	Peregrine Falcon	Otter Creek Marsh State Wildlife Refuge	Otter Creek M.	Marsh	The documentation form by Thomas H. Kent is the only one submitted and forms the basis of this record. Other observers include Ross Silcock and Tom Staudt. \| Elimination of similar species: Shape and flight eliminate buteos + accipiters. Facial mark, light axillaries, + size diagnostic. \| The original documentation form event lasted from 06:00:00/06:01:00 estimated.	Iowa Ornithologists' Union \| MS 166	33	34
Rare bird documentation form for Peregrine Falcon at Coralville Reservoir, 1983	Field notes	Birds--Identification Ornithology Rare birds	1983-10-02	1983-11-28	Rare birds documentation form	Rare bird documentation form for a Peregrine Falcon at Ranch Corner at Coralville Reservoir in Johnson County, IA on October 2, 1983.	Newlon, Michael C.	Peregrine Falcon	Hawkeye Wildlife Management Area	Ranch Corner, Coralville Reservoir, Johnson Co IA	Reservoir flooplain with dead trees, weedy flats, willows	The documentation form by Michael Newlon is the only one submitted and forms the basis of this record. \| Elimination of similar species: face pattern eliminates only similar falcons. \| The original documentation form event lasted from 12:00:00/13:00:00.	Iowa Ornithologists' Union \| MS 166	33	34
Rare bird documentation form for Peregrine Falcon at Riverton Wildlife Area, 1984	Field notes	Birds--Identification Ornithology Rare birds	1984-04-27	N/A	Rare birds documentation form	Rare bird documentation form for a Peregrine Falcon at Riverton Wildlife Area in Fremont County, IA on April 27, 1984.	Moore, Francis L.	Peregrine Falcon	Riverton Wildlife Management Area	Riverton W.A., Fremont County, IA	Open marshland	The documentation form by Francis L. Moore is the only one submitted and forms the basis of this record. Other observers include Ray Cummins. \| Elimination of similar species: Merlin is smaller without dark mustache patch in front of eye that this bird had. \| The original documentation form event lasted from approximately 14:30:00/14:35:00.	Iowa Ornithologists' Union \| MS 166	33	34
Rare bird documentation form for Peregrine Falcon at Riverton Wildlife Management Area, 1984	Field notes	Birds--Identification Ornithology Rare birds	1984-04-27	1984-04-29	Rare birds documentation form	Rare bird documentation form for a Peregrine Falcon at Riverton Wildlife Management Area in Fremont County, IA on April 27, 1984.	Cummins, Raymond L.	Peregrine Falcon	Riverton Wildlife Management Area	Riverton WMA Riverton, Iowa	Open marsh	The documentation form by Raymond L. Cummins is the only one submitted and forms the basis of this record. Other observers include Francis Moore. \| Elimination of similar species: Merlin because of size and Prairie Falcon because of dark back color - All others because of falcon flight. \| The original documentation form event lasted from 14:30:00/14:34:00.	Iowa Ornithologists' Union \| MS 166	33	34
Rare bird documentation form for Peregrine Falcon at Runnells Game Area, 1984	Field notes	Birds--Identification Ornithology Rare birds	1984-09-30	1984-11-30	Rare birds documentation form	Rare bird documentation form for a Peregrine Falcon at Runnells Game Area in Warren County, IA on September 30, 1984.	Sinclair, Jim	Peregrine Falcon	Runnells Overlook	Runnells Game Area - Warren Co.	Open floodplain	The documentation form by Jim Sinclair is the only one submitted and forms the basis of this record. Other observers include David Youngblut. \| Elimination of similar species: Coloration, size and most importantly head pattern confirmed bird as Peregrine Falcon. \| The original documentation form event lasted from 07:45:00/07:50:00.	Iowa Ornithologists' Union \| MS 166	33	34
Rare bird documentation form for Peregrine Falcon at Sand Point at Coralville Reservoir, 1977	Field notes	Birds--Identification Ornithology Rare birds	1977-05-03	N/A	Rare birds documentation form	Rare bird documentation form for a Peregrine Falcon at Sand Point at Coralville Reservoir in Johnson County, IA on May 3, 1977.	Halmi, Nicholas S.	Peregrine Falcon	Sand Point	Coralville Reservoir at Sandy Point, Johnson Co., Iowa	reservoir margin; flying over weedy point, then alighting in tree N of reservoir (very low, almost reduced to river channel)	The documentation form by Nicholas Halmi is the only one submitted and forms the basis of this record. \| Elimination of similar species: Much larger than Merlin or Am. Kestrel; falcon shape; Mustache pattern diagnostic; shape excludes buteos etc. \| The original documentation form event lasted from 16:15:00/16:40:00.	Iowa Ornithologists' Union \| MS 166	33	34
Rare bird documentation form for Peregrine Falcon at Sand Point at Coralville Reservoir, 1976	Field notes	Birds--Identification Ornithology Rare birds	1976-09-26	1976-09-30	Rare birds documentation form	Rare bird documentation form for a Peregrine Falcon at Sand Point at Coralville Reservoir in Johnson County, IA on September 26, 1976.	Newlon, Michael C.	Peregrine Falcon	Sand Point	Sand Point, on Coralville Reservoir N. of Iowa City, IA	Reservoir & many dead trees emerging from water - bordered by wide weedy flats. Surrounded by cropland to S, a wooded ridge to N.	The documentation form by Michael C. Newlon is the only one submitted and forms the basis of this record. Other observers include Cal Knight, Bernie Knight, and Carol S. Newlon. \| Elimination of similar species: Build rules out all raptors except falcons. Large size, prominent 'side burn' transverse barring on lower parts rule out Prairie Falcon (not expected in IA), Kestrel, Merlin. \| The original documentation form event lasted from 15:30:00/16:15:00.	Iowa Ornithologists' Union \| MS 166	33	34
Rare bird documentation form for Peregrine Falcon at Sand Point in Hawkeye Wildlife Area, 1984	Field notes	Birds--Identification Ornithology Rare birds	1984-12-02	1984-12-09	Rare birds documentation form	Rare bird documentation form for a Peregrine Falcon at Sand Point in Hawkeye Wildlife Area in Johnson County, IA on December 2, 1984.	Staudt, Thomas J.	Peregrine Falcon	Sand Point	Hawkeye Wildlife Area - Sand Point Road	woodline edge opening to reservoir back water	The documentation form by Thomas J. Staudt is the only one submitted and forms the basis of this record. \| Elimination of similar species: Facial pattern eliminates other falcons. \| The original documentation form event occurred around 10:45:00.	Iowa Ornithologists' Union \| MS 166	33	34
Rare bird documentation form for Peregrine Falcon at Sand Point in Hawkeye Wildlife Area, 1985	Field notes	Birds--Identification Ornithology Rare birds	1985-05-07	1985-05-09	Rare birds documentation form	Rare bird documentation form for a Peregrine Falcon at Sand Point in Hawkeye Wildlife Area in Johnson County, IA on May 7, 1985.	Knight, Calvin A.	Peregrine Falcon	Sand Point	@ North end of Sandy Point, Hawkeye Wildlife Area - Coralville Res. Johnson Co., Iowa	River Bottom but completely open because of previous high water.	The documentation form by Calvin A. Knight is the only one submitted and forms the basis of this record. Other observers include Bernie Knight. \| Elimination of similar species: Am. Kestral [sic]: But no rusty tail. Merlin: But no prominent tail barring; also; the Peregrine showed the black cap with black sideburns on white background. \| The original documentation form event occurred at 19:15:00.	Iowa Ornithologists' Union \| MS 166	33	34
Rare bird documentation form for Peregrine Falcon at Sandy Beach at Coralville Reservoir, 1981	Field notes	Birds--Identification Ornithology Rare birds	1981-04-26	1981-05-23	Rare birds documentation form	Rare bird documentation form for a Peregrine Falcon at Sandy Beach at Coralville Reservoir in Johnson County, IA on April 26, 1981.	Newlon, Michael C.	Peregrine Falcon	Sandy Beach Public Use Area	Sandy Beach, n. shore of Coralville Reservoir, Johnson Co, IA	Reservoir set amid cropland, pasture, forest, some 'suburban' housing. Arm of reservoir with mudflats, willow thickets.	The documentation form by Michael C. Newlon is the only one submitted and forms the basis of this record. Other observers include Carol S. Newlon. \| Elimination of similar species: unbanded tail & large size eliminate Merlin, heavy contrast between under & upper parts, 'moustache', lack of dark axillaries eliminate Prairie Falcon. (Size & build definitely rule out other types of hawks.) \| The original documentation form event lasted from 12:15:00/12:20:00.	Iowa Ornithologists' Union \| MS 166	33	34
Rare bird documentation form for Peregrine Falcon at Saylorville Dam in 1986	Field notes	Birds--Identification Ornithology Rare birds	1986-10-01	1986-11-28	Manuscript, graphic, and printed material	Rare bird documentation form for a Peregrine Falcon at Saylorville Dam in Polk County, IA on October 1, 1986.	Proescholdt, Mark	Peregrine Falcon	Saylorville Dam				Iowa Ornithologists' Union \| MS 166	33	34
Rare bird documentation form for Peregrine Falcon at Saylorville Dam, 1985	Field notes	Birds--Identification Ornithology Rare birds	1985-09-21	N/A	Rare birds documentation form	Rare bird documentation form for a Peregrine Falcon at Saylorville Dam in Polk County, IA on September 21, 1985.	Moore, Francis L.	Peregrine Falcon	Saylorville Dam	Flying over Saylorville Dam, Polk Co., IA	Flying down river after going over the dam	The documentation form by Francis L. Moore is the only one submitted and forms the basis of this record. Other observers include Robert Myers. \| Elimination of similar species: No other bird has the dark helmeted look that this bird showed. Merlin is smaller. This bird was probably a fairly large female. \| The original documentation form event lasted from 11:00:00/11:01:00.	Iowa Ornithologists' Union \| MS 166	33	34
Rare bird documentation form for Peregrine Falcon at Saylorville, 1986	Field notes	Birds--Identification Ornithology Rare birds	1986-10-01	1986-10-11	Rare birds documentation form	Rare bird documentation form for a Peregrine Falcon at Saylorville in Polk County, IA on October 1, 1986.	Proescholdt, Beth	Peregrine Falcon	Saylorville	Saylorville - Polk Co. - below dam	tall cottonwood in river bottom timber by 2 ponds	The documentation form by Beth Proescholdt is the only one submitted and forms the basis of this record. Other observers include Mark Proescholdt. \| Elimination of similar species: This was so definitely a Peregrine there was no similar species. \| The original documentation form event lasted from 13:30:00/14:45:00.	Iowa Ornithologists' Union \| MS 166	33	34
Rare bird documentation form for Peregrine Falcon at Saylorville Reservoir, 1986	Field notes	Birds--Identification Ornithology Rare birds	1986-03-20	1986-04-03	Rare birds documentation form	Rare bird documentation form for a Peregrine Falcon at Saylorville Reservoir in Polk County, IA on March 20, 1986.	Dinsmore, Stephen J.	Peregrine Falcon	Saylorville Lake	marina of the Saylorville Reservoir, Polk Co.	sitting on top of a large tower	The documentation form by Steve Dinsmore is the only one submitted and forms the basis of this record. \| Elimination of similar species: Merlin eliminated by size and lack of a dark hood. Prairie Falcon eliminated by lack of dark axillaries. \| The original documentation form event occurred at 16:00:00 for several minutes.	Iowa Ornithologists' Union \| MS 166	33	34
Rare bird documentation form for Peregrine Falcon at Saylorville Reservoir, 1985	Field notes	Birds--Identification Ornithology Rare birds	1985-09-21	N/A	Rare birds documentation form	Rare bird documentation form for a Peregrine Falcon at Saylorville Reservoir in Polk County, IA on September 21, 1985.	Myers, Robert K.	Peregrine Falcon	Saylorville Lake	Saylorville Reservoir	Large timber lined lake. This area seems to be a good migratory path for raptors.	The documentation form by Robert K. Myers is the only one submitted and forms the basis of this record. Other observers include Francis Moore. \| Elimination of similar species: Bird was too big for Merlin and too dark above for Prairie Falcon and basic shape, color and head pattern eliminates other possible hawks. \| The original documentation form event lasted from 11:30:00/11:31:00.	Iowa Ornithologists' Union \| MS 166	33	34
Rare bird documentation form for Peregrine Falcon at Sioux Center, 1993	Field notes	Birds--Identification Ornithology Rare birds	1993-09-16	N/A	Rare birds documentation form	Rare bird documentation form for a Peregrine Falcon at Sioux Center in Sioux County, IA on September 16, 1993.	Van Dyk, John, 1936-	Peregrine Falcon	Sioux Center	Sioux Center, IA 51250		The documentation form by John Van Dyk is the only one submitted and forms the basis of this record. \| Elimination of similar species: Its clear head markings definitely rule out a Prairie Falcon (which is now becoming a regular visitor here in winter), and the bird was much too large to be a smaller (e.g., Merlin). \| The original documentation form event occurred for around five minutes.	Iowa Ornithologists' Union \| MS 166	33	34
Rare bird documentation form for Peregrine Falcon at Sweet Marsh, 1978	Field notes	Birds--Identification Ornithology Rare birds	1978-04-16	1978-04-17	Rare birds documentation form	Rare bird documentation form for a Peregrine Falcon at Sweet Marsh in Bremer County, IA on April 16, 1978.	Schaufenbuel, Joseph P.	Peregrine Falcon	Sweet Marsh	Sweet Marsh, which is located 1 mile East of Tripoli, Bremer County, IA.	The area of Sweet Marsh, where bird was first perched is a grazed grassy pasture. Which after much rain in recent weeks, is partially flooded, and often had attracted shorebirds of several species.	The documentation form by Joe Schaufenbuel is the only one submitted and forms the basis of this record. \| Elimination of similar species: Cooper's and Goshawk do not have pointed wings, and never perch in open. Merlin is much to [sic] small, size of a big Blue Jay, my bird was larger than a Crow. Prairie Falcon, the falcon I saw was grey not dull olive. [start handwritten annotation] ? (brown, NSH) [end handwritten annotation]. \| The original documentation form event lasted from 11:05:00/11:10:00.	Iowa Ornithologists' Union \| MS 166	33	34
Rare bird documentation form for Peregrine Falcon at the interchange of IA-130 and Interstate 80 in Davenport, 1985	Field notes	Birds--Identification Ornithology Rare birds	1985-01-23	1985-02-23	Rare birds documentation form	Rare bird documentation form for a Peregrine Falcon at the interchange of IA-130 and Interstate 80 in Davenport in Scott County, IA on January 23, 1985.	Blevins, Brian L.	Peregrine Falcon	Interchange 292	Northwest Blvd. and the I-30 [actually IA-130] + I-80 turn-off	Open grassland and cropland near interchange	The documentation form by Brian L. Blevins is the only one submitted and forms the basis of this record. Other observers include Kenneth Brehmer. \| Elimination of similar species: Larger than crow, but not as heavily winged or bodied as Goshawk. Bird was definitly [sic] larger than Kestrel or Merlin. \| The original documentation form event occurred around 11:30:00/11:45:00.	Iowa Ornithologists' Union \| MS 166	33	34
Rare bird documentation form for Peregrine Falcon at the north end of Saylorville Reservoir, 1985	Field notes	Birds--Identification Ornithology Rare birds	1985-04-08	1985-04-15	Rare birds documentation form	Rare bird documentation form for a Peregrine Falcon at the north end of Saylorville Reservoir in Polk County, IA on April 8, 1985.	Dinsmore, Stephen J.	Peregrine Falcon	Saylorville Lake	north end of Saylorville Reservoir, Polk County	migrating through the Des Moines River Valley	The documentation form by Stephen Dinsmore is the only one submitted and forms the basis of this record. Other observers include James Dinsmore. \| Elimination of similar species: Other falcons by their lack of a large amount of black on head and face and by smaller size.	Iowa Ornithologists' Union \| MS 166	33	34
Rare bird documentation form for Peregrine Falcon at Tomahawk Marsh, 1994	Field notes	Birds--Identification Ornithology Rare birds	1994-09-24	1994-11-30	Rare birds documentation form	Rare bird documentation form for a Peregrine Falcon at Tomahawk Marsh in Sac County, IA on September 24, 1994.	Thelen, Ed	Peregrine Falcon	Tomahawk Marsh Wildlife Management Area	Tomahawk Marsh Sac County	Marsh, grain fields	The documentation form by Ed Thelen is the only one submitted and forms the basis of this record. Other observers include Rob Thelen. \| Elimination of similar species: Praire [sic] falcon eliminated by dark malar strip and also by light colored axillars. Merlin eliminated by its size.	Iowa Ornithologists' Union \| MS 166	33	34
Rare bird documentation form for Peregrine Falcon at Waterloo Greenbelt, 1984	Field notes	Birds--Identification Ornithology Rare birds	1984-09-10	N/A	Rare birds documentation form	Rare bird documentation form for a Peregrine Falcon at Waterloo Greenbelt at Black Hawk County, IA on September 10, 1984.	Myers, Robert K.	Peregrine Falcon	Katoski Greenbelt	Waterloo Greenbelt along Black Hawk Creek	Riverbottom Timber	The documentation form by Robert K. Myers is the only one submitted and forms the basis of this record. \| Elimination of similar species: The bird was so obvious I can't imagine anyone mistaking it for anything else. \| The original documentation form event lasted from 09:00:00/09:01:00.	Iowa Ornithologists' Union \| MS 166	33	34
Rare bird documentation form for Peregrine Falcon at West Spencer, 1991	Field notes	Birds--Identification Ornithology Rare birds	1991-05-05	1991-06-05	Rare birds documentation form	Rare bird documentation form for a Peregrine Falcon at West Spencer in Clay County, IA on May 5, 1991.	Schoenewe, Lee A.	Peregrine Falcon	Spencer	West Spencer, Clay Co., IA.	Wooded floodplain between Little Sioux & Ocheydan Rivers	The documentation form by Lee A. Schoenewe is the only one submitted and forms the basis of this record. Other observers include Nancy P. Schoenewe. \| Elimination of similar species: Prairie Falcon - lacked dark underwing patch & had dark head & moustache. \| The original documentation form event lasted from 18:15:00/19:00:00.	Iowa Ornithologists' Union \| MS 166	33	34
Rare bird documentation form for Peregrine Falcon at Willow Slough, 1984	Field notes	Birds--Identification Ornithology Rare birds	1984-04-24	1984-05-25	Rare birds documentation form	Rare bird documentation form for a Peregrine Falcon at Willow Slough in Mills County, IA on April 24, 1984.	Wilson, Barbara L.	Peregrine Falcon	Willow Slough State Game Management Area	Willow Slough, Mills County, Iowa		The documentation form by Barbara Wilson is the only one submitted and forms the basis of this record. \| Elimination of similar species: I believed this to be a buteo until it flew + I saw the pointed wings. Gray color + sharply contrasting face pattern would be very unusual in a buteo. Prairie Falcon would have dark in axillar area. I could easily have seen this dark pattern if the bird had had it, but it did not. Face pattern is also wrong for Prairie Falcon - too solid + too black-and-white. Face pattern eliminates Gyrfalcon. \| The original documentation form event occurred around 18:00:00.	Iowa Ornithologists' Union \| MS 166	33	34
Rare bird documentation form for Peregrine Falcon east of McCallsburg, 1986	Field notes	Birds--Identification Ornithology Rare birds	1986-10-01	1986-10-11	Rare birds documentation form	Rare bird documentation form for a Peregrine Falcon east of McCallsburg in Story County, IA on October 1, 1986.	Proescholdt, Beth	Peregrine Falcon	McCallsburg	north central Story Co., east of McCallsburg	above field along #E18 road	The documentation form by Beth Proescholdt is the only one submitted and forms the basis of this record. Other observers include Mark Proescholdt. \| Elimination of similar species: Pigeon, other hawks - at first sighting this bird looked like a pigeon - but at once we could see the large falcon shape & its strong rowing flight as it flew away, also its coloring & helmet \| The original documentation form event lasted from 07:50:00/07:51:00.	Iowa Ornithologists' Union \| MS 166	33	34