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 Mason City, 1991	Field notes	Birds--Identification Ornithology Rare birds	1991-02-28	N/A	Rare birds documentation form	Rare bird documentation form for a Peregrine Falcon at Mason City in Cerro Gordo County, IA on February 28, 1991.	Walter, Janice L.	Peregrine Falcon	Mason City	Mason City		The documentation form by Jan L. Walter is the only one submitted and forms the basis of this record. Other observers include Jim B. Walter. \| Elimination of similar species: Size was much larger than the Kestrels we're used to seeing \| The original documentation form event lasted for twenty minutes in the late afternoon.	Iowa Ornithologists' Union \| MS 166	33	34
Rare bird documentation form for Peregrine Falcon at McCallsburg in 1986	Field notes	Birds--Identification Ornithology Rare birds	1986-10-01	1986-11-27	Manuscript, graphic, and printed material	Rare bird documentation form for a Peregrine Falcon at McCallsburg in Story County, IA on October 1, 1986.	Proescholdt, Mark	Peregrine Falcon	McCallsburg				Iowa Ornithologists' Union \| MS 166	33	34
Rare bird documentation form for Peregrine Falcon at McFarland Park, 1984	Field notes	Birds--Identification Ornithology Rare birds	1984-09-15	N/A	Rare birds documentation form	Rare bird documentation form for a Peregrine Falcon at McFarland Park in Story County, IA on September 15, 1984.	Dinsmore, Stephen J.	Peregrine Falcon	McFarland Lake Park	McFarland Park, Story Co.	flying south with other hawks over woods near a river	The documentation form by Steve Dinsmore is the only one submitted and forms the basis of this record. Other observers include Hank Zaletel and Erik Munson. \| Elimination of similar species: Merlin was eliminated because of smaller size and lack of black hood. Accipiter sp. eliminated because of wing shape and lack of dark color on head or a hood. Prairie Falcon eliminated because of overall brown rather than black appearance and lack of black hood. \| The original documentation form event occurred at approximately 10:00:00.	Iowa Ornithologists' Union \| MS 166	33	34
Rare bird documentation form for Peregrine Falcon at Muskrat Slough, 1981	Field notes	Birds--Identification Ornithology Rare birds	1981-04-30	N/A	Rare birds documentation form	Rare bird documentation form for a Peregrine Falcon at Muskrat Slough in Jones County, IA on April 30, 1981.	Kent, Thomas H. (Thomas Hugh), 1934-	Peregrine Falcon	Muskrat Slough State Game Management Area	Muskrat Slough, Jones Co, Iowa	large marsh. Tree on island on south west side of Muskrat Slough	The documentation form by Thomas H. Kent is the only one submitted and forms the basis of this record. Other observers include Tom Staudt. \| Elimination of similar species: Too large for a Merlin. Prairie Falcon very unlikely at this location and time of year. Also bird too dark. Axillaries not specifically seen. \| The original documentation form event lasted from approximately 07:45:00/08:05:00.	Iowa Ornithologists' Union \| MS 166	33	34
Rare bird documentation form for Peregrine Falcon at northeast Boone County, 1986	Field notes	Birds--Identification Ornithology Rare birds	1986-04-23	1986-05-15	Rare birds documentation form	Rare bird documentation form for a Peregrine Falcon at northeast Boone County on county line with Hamilton County, IA on April 23, 1986.	Proescholdt, Beth	Peregrine Falcon	Boone County	n.e. Boone County (on county line with Hamilton Co)	marshy pasture of several acres, on both sides of road	The documentation form by Beth Proescholdt is the only one submitted and forms the basis of this record. Other observers include Mark Proescholdt, Ramona Sommerlot, and Carol McMillen. \| Elimination of similar species: another falcon - this one too large; a buteo - not buteo shaped & flying much faster than a buteo with its long pointed wings. \| The original documentation form event lasted from 14:25:00/14:26:00.	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	1984-04-29	1984-05-25	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, Beth	Peregrine Falcon	Otter Creek Marsh State Wildlife Refuge	Otter Creek Marsh , Tama County	Marsh	The documentation form by Beth Proescholdt is the only one submitted and forms the basis of this record. Other observers include Mark Proescholdt, Jim Mairs, Pauline Mairs, and Peter Petersen. \| Elimination of similar species: a buteo, or a Merlin - or a Prairie Falcon : - it was not buteo shaped, but falcon shaped - too big for a Merlin + it had heavy mustaches - too dark for a Prairie Falcon + no black axillars. \| 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	1984-04-29	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