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 Half-Moon Lake in Hawkeye Wildlife Area, unknown year	Field notes	Birds--Identification Ornithology Rare birds	N/A	N/A	Rare birds documentation form	Rare bird documentation form for a Peregrine Falcon at Half-Moon Lake in Hawkeye Wildlife Area in Johnson County, IA on September 27, unknown year.	Newlon, Michael C.	Peregrine Falcon	Hawkeye Wildlife Management Area	Half-moon Lake, Hawkeye Wildlife Area, Johnson Co, IA	oxbow lake surrounded by dead trees, willow scrub	The documentation form by Mike Newlon is the only one submitted and forms the basis of this record. Other observers include John Cordell, James Huntington, Cal Knight, Bernie Knight, and Pete Wickham. \| Elimination of similar species: Shape clearly falcon form. Blue-grey coloration, wide dark facial bar indicate peregrine. \| The original documentation form event lasted from 11:30:00/12:15:00.	Iowa Ornithologists' Union \| MS 166	33	34
Rare bird documentation form for Peregrine Falcon at Hawkeye Wildlife Area, unknown year	Field notes	Birds--Identification Ornithology Rare birds	N/A	N/A	Rare birds documentation form	Rare bird documentation form for a Peregrine Falcon at Hawkeye Wildlife Area in Johnson County, IA on September 23, unknown year.	Newlon, Michael C.	Peregrine Falcon	Hawkeye Wildlife Management Area	end of Babcock Lk Rd, Hawkeye WA, Johnson Co	Reservoir surrounded by mudflats, fields, woods	The documentation form by Mike Newlon is the only one submitted and forms the basis of this record. \| Elimination of similar species: falcon shape, size, face/head pattern diagnostic. \| The original documentation form event lasted from 13:15:00/13:16:00 estimated.	Iowa Ornithologists' Union \| MS 166	33	34
Rare bird documentation form for Peregrine Falcon at Jefferson County Park in 1988	Field notes	Birds--Identification Ornithology Rare birds	1988-09-30	1988-11-26	Manuscript, graphic, and printed material	Rare bird documentation form for an unnamed Falcon (likely an immature Tundra Peregrine Falcon) at Jefferson County Park in Jefferson County, IA on September 30, 1988.	Porter, Diane C.	Peregrine Falcon	Jefferson County Park				Iowa Ornithologists' Union \| MS 166	33	34
Rare bird documentation form for Peregrine Falcon at Lake Diamond County Park, 1980	Field notes	Birds--Identification Ornithology Rare birds	1980-09-21	1980-09-28	Rare birds documentation form	Rare bird documentation form for a Peregrine Falcon at Lake Diamond County Park in Poweshiek County, IA on September 21, 1980.	Newlon, Michael C.	Peregrine Falcon	Diamond Lake County Park	Lake Diamond County Park, Poweshiek Co, IA	County park surrounded by pasture/cropland. Drawn-down pond with shorebirds at muddy edge, surrounded by trees.	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, Thomas Kent, and Tom Shires. \| Elimination of similar species: Size, strong 'sideburns' rule out Kestrel, Merlin, Prairie Falcon. \| The original documentation form event lasted from 15:30:00/15:32:00 approximately.	Iowa Ornithologists' Union \| MS 166	33	34
Rare bird documentation form for Peregrine Falcon at Lake Rathbun in 1985	Field notes	Birds--Identification Ornithology Rare birds	1985-10-05	1985-11-03	Manuscript, graphic, and printed material	Rare bird documentation form for a Peregrine Falcon at Lake Rathbun in Appanoose County, IA on October 5, 1985.	Martsching, Paul	Peregrine Falcon	Rathbun Lake				Iowa Ornithologists' Union \| MS 166	33	34
Rare bird documentation form for Peregrine Falcon at Loess Hills, 1985	Field notes	Birds--Identification Ornithology Rare birds	1985-04-28	1985-04-29	Rare birds documentation form	Rare bird documentation form for a Peregrine Falcon at Loess Hills in Fremont County, IA on April 28, 1985.	Moore, Francis L.	Peregrine Falcon	Fremont County	1/2 mi. N. of Hwy 2 on W. side of Loess Hills, Fremont Co., Iowa	Near Loess Hills flying over open land of Missouri River bottoms	The documentation form by Francis L. Moore is the only one submitted and forms the basis of this record. Other observers include Ross Silcock and Robert Cecil. \| Elimination of similar species: Prairie Falcon would have been much lighter sandy color than this bird. Merlin would have been smaller. \| The original documentation form event occurred at 07:45:00.	Iowa Ornithologists' Union \| MS 166	33	34
Rare bird documentation form for Peregrine Falcon at Lucas, 1981	Field notes	Birds--Identification Ornithology Rare birds	1981-12-19	1982-01-07	Rare birds documentation form	Rare bird documentation form for a Peregrine Falcon at Lucas in Lucas County, IA on December 19, 1981.	Gilbert, Bill H.	Peregrine Falcon	Lucas	Four miles north of Lucas, Iowa	open field	The documentation form by Bill Gilbert is the only one submitted and forms the basis of this record. \| Elimination of similar species: Distinctive size, didn't see black underarm patches and could detect definate [sic] color markings on breast to separate from prairie falcon. \| The original documentation form event lasted from 12:00:00/12:03:00.	Iowa Ornithologists' Union \| MS 166	33	34
Rare bird documentation form for Peregrine Falcon at Luther Bridge along Des Moines River, 1984	Field notes	Birds--Identification Ornithology Rare birds	1984-09-23	1984-09-24	Rare birds documentation form	Rare bird documentation form for a Peregrine Falcon at Luther Bridge along Des Moines River in Boone County, IA on September 23, 1984.	Dinsmore, Stephen J.	Peregrine Falcon	Boone County	3/4 mile N. of Luther Bridge along Des Moines River, Boone Co.	migrating down large river valley	The documentation form by Steve Dinsmore is the only one submitted and forms the basis of this record. Other observers include Gary Downs. \| Elimination of similar species: Merlin eliminated by smaller size, stronger black and white barring on the undertail and by the lack of dark face markings. Accipiters sp. eliminated by broad rather than pointed wings and lack of dark face markings. Prairie falcon eliminated by lack of dark face markings, browner appearance and black axillaries. \| The original documentation form event lasted from 14:35:00/14:37:00.	Iowa Ornithologists' Union \| MS 166	33	34
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	1984-05-14	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 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	1984-04-29	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 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 Runnells Wildlife Area, 1991	Field notes	Birds--Identification Ornithology Rare birds	1991-09-14	1991-12-01	Rare birds documentation form	Rare bird documentation form for two Peregrine Falcons at Runnells Wildlife Area in Warren County, IA on September 14, 1991.	Porter, Diane C.	Peregrine Falcon	Runnells Overlook	Runnells Wildlife Area	Mud flats	The documentation form by Diane Porter is the only one submitted and forms the basis of this record. Other observers include Jim Sinclair, Jim Fuller, Peter Petersen, and others. \| Elimination of similar species: Birds were too big and grey for kestrels; too big and too much face pattern for merlins; no black axillaries and too dark for prairie falcons; too small, slim, and dark for gyrfalcons. \| The original documentation form event occurred in the mid morning.	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 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 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