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 Prairie Falcon east of Irvington, 1988	Field notes	Birds--Identification Ornithology Rare birds	1988-10-23	N/A	Rare birds documentation form	Rare bird documentation form for a Prairie Falcon east of Irvington in Kossuth County, IA on October 23, 1988.	Kenne, Matthew C.	Prairie Falcon	Irvington	2 mi E of Irvington, Kossuth Co. Ia	open, harvested fields	The documentation form by Matthew Kenne is the only one submitted and forms the basis of this record. Other observers include Karla Kenne. \| Elimination of similar species: Bird did not have dark color of Peregrine's back, dark cap, or heavy 'sideburns'. Did not have the heavy barring on the underside of the tail like the Merlin. Dark axillaries and dark bar on underwing are features of no other raptor, falcon or other wise. \| The original documentation form event lasted from 18:00:00/18:30:00.	Iowa Ornithologists' Union \| MS 166	33	35
Rare bird documentation form for Prairie Falcon east of Lester, 1984	Field notes	Birds--Identification Ornithology Rare birds	1984-03-09	N/A	Rare birds documentation form	Rare bird documentation form for a Prairie Falcon east of Lester in Lyon County, IA on March 9, 1984.	Harr, Douglas C.	Prairie Falcon	Lester	2 miles east of Lester, Lyon County, along state highway #9	Seen along open, unplowed fields in NW Iowa plains. Sitting on fence post along field/highway edge.	The documentation form by Douglas C. Harr is the only one submitted and forms the basis of this record. \| Elimination of similar species: Peregrine falcon--Prairie falcon observed had lighter breast, finer (thinner) moustache, no horizontal bars on breast, barring absent on undersides of wings. \| The original documentation form event lasted from 14:02:00/14:03:00.	Iowa Ornithologists' Union \| MS 166	33	35
Rare bird documentation form for Prairie Falcon east of Lost Island Lake, 1993	Field notes	Birds--Identification Ornithology Rare birds	1993-04-03	1993-04-07	Rare birds documentation form	Rare bird documentation form for a Prairie Falcon east of Lost Island Lake in Palo Alto County, IA on April 3, 1993.	Kent, Thomas H. (Thomas Hugh), 1934-	Prairie Falcon	Lost Island Lake	East of Lost Island Lake, Clay County [actually Palo Alto County], Iowa	farmland near glacial lakes	The documentation form by Thomas H. Kent is the only one submitted and forms the basis of this record. Other observers include Lee Schoenewe, Bob Cecil, and Harold White. \| Elimination of similar species: This was the best view I have ever had at the underwing of Prairie Falcon. \| The original documentation form event lasted from 17:45:00/18:00:00.	Iowa Ornithologists' Union \| MS 166	33	35
Rare bird documentation form for Prairie Falcon east of Reinbeck, 1989	Field notes	Birds--Identification Ornithology Rare birds	1989-03-01	1989-04-01	Rare birds documentation form	Rare bird documentation form for a Prairie Falcon east of Reinbeck in Black Hawk County, IA on March 1, 1989.	Johnson, Ann	Prairie Falcon	Reinbeck	4 miles e. Reinbeck, Black Hawk County, IA	Farmstead with silos, open fields	The documentation form by Ann Johnson is the only one submitted and forms the basis of this record. Other observers include Beth Brown, Mark Proescholdt, Beth Proescholdt, Chuck Fuller, Cal Knight, and Bernie Knight. \| Elimination of similar species: Other hawks were eliminated by the long, pointed wings and general body shape. Size eliminated all falcons but the peregrine, but the presence of the black axillars confirmed that this was indeed a Prairie Falcon. \| The original documentation form event lasted from 17:56:00/18:28:00.	Iowa Ornithologists' Union \| MS 166	33	35
Rare bird documentation form for Prairie Falcon east of Reinbeck, 1989	Field notes	Birds--Identification Ornithology Rare birds	1989-02-26	1989-02-27	Rare birds documentation form	Rare bird documentation form for a Prairie Falcon east of Reinbeck in Black Hawk County, IA on February 26, 1989.	Proescholdt, Beth	Prairie Falcon	Reinbeck	Black Hawk County - 4 1/2 miles east of Reinbeck on #175	open farmland, unused silos beside busy road	The documentation form by Beth Proescholdt is the only one submitted and forms the basis of this record. Other observers include Mark Proescholdt, Dennis Thompson, Cecille Thompson, Reid Allen, Pam Allen, Eugene Armstrong, and Eloise Armstrong. \| Elimination of similar species: Peregrine - the bird we saw was very light brown, had a thin mustache stripe & not a Peregrine's wider sideburn, & it had dark axillars as well as underwing coverts. \| The original documentation form event lasted from 17:10:00/17:45:00.	Iowa Ornithologists' Union \| MS 166	33	35
Rare bird documentation form for Prairie Falcon east of Reinbeck, 1989	Field notes	Birds--Identification Ornithology Rare birds	1989-02-27	N/A	Rare birds documentation form	Rare bird documentation form for a Prairie Falcon east of Reinbeck in Blackhawk County, IA on February 27, 1989.	Fuller, James L	Prairie Falcon	Reinbeck	4 1/2 miles east of Reinbeck - Black Hawk Co.	Silo - open farmland	The documentation form by Jim Fuller is the only one submitted and forms the basis of this record. Other observers include Jim Scheib. \| Elimination of similar species: Peregrine - Facial pattern adult - no black axillary areas & darkness of back. \| The original documentation form event lasted from 06:34:00/06:40:00.	Iowa Ornithologists' Union \| MS 166	33	35
Rare bird documentation form for Prairie Falcon east of Wall Lake, 1996	Field notes	Birds--Identification Ornithology Rare birds	1996-03-12	1996-06-02	Rare birds documentation form	Rare bird documentation form for a Prairie Falcon east of Wall Lake in Sac County, IA on March 12, 1996.	Thelen, Rob	Prairie Falcon	Wall Lake	1 m. East of Wall Lake	Gravel pits, Railroad Tracks, and Farmland	The documentation form by Rob Thelen is the only one submitted and forms the basis of this record. Other observers include Natasha Thelen. \| Elimination of similar species: Merlin - was to [sic] big to be a Merlin didn't have strong tail bars. Peregrine - didn't have strong face marks or cap on head. \| The original documentation form event lasted from 16:30:00/17:15:00.	Iowa Ornithologists' Union \| MS 166	33	35
Rare bird documentation form for Prairie Falcon in Cass County east of Walnut, 1990	Field notes	Birds--Identification Ornithology Rare birds	1990-10-25	N/A	Rare birds documentation form	Rare bird documentation form for a Prairie Falcon in Cass County east of Walnut, IA on October 25, 1990.	Petersen, Marietta	Prairie Falcon	Walnut	RR #1, Walnut, Iowa 51577	The area is Upland Prairie Land-pasture, hayfields, corn a soybean fields- and hilly. Little Timber along creek bottoms. We live on a farm in Northwestern Cass County. The bird was sitting on top of a semi-dead Ash tree in our old orchard.	The documentation form by Marietta Petersen is the only one submitted and forms the basis of this record. \| Elimination of similar species: The Red Tailed would not have those kind of face markings. But it was about the size of a Red Tailed. \| The original documentation form event lasted from 09:00:00/09:10:00.	Iowa Ornithologists' Union \| MS 166	33	35
Rare bird documentation form for Prairie Falcon in Cerro Gordo County, 1997	Field notes	Birds--Identification Ornithology Rare birds	1997-02-22	1997-02-23	Rare birds documentation form	Rare bird documentation form for a Prairie Falcon in Cerro Gordo County, IA on February 22, 1997.	Thelen, Rob	Prairie Falcon	Cerro Gordo Wind Farm	1/2 m. S of 210th + Cardinal, Cerro Gordo Co.	Dead Cottonwood in Farmland (Open)	The documentation form by Rob Thelen is the only one submitted and forms the basis of this record. Other observers include Joe Clark. \| Elimination of similar species: This Falcon had the Dark Armpits. \| The original documentation form event lasted from 11:30:00/11:33:00.	Iowa Ornithologists' Union \| MS 166	33	35
Rare bird documentation form for Prairie Falcon in the Fairview area, 1989	Field notes	Birds--Identification Ornithology Rare birds	1989-01-04	N/A	Rare birds documentation form	Rare bird documentation form for a Prairie Falcon in the Fairview area in Sioux County, IA on January 4, 1989.	Van Dyk, John, 1936-	Prairie Falcon	Fairview Area	Iowa in Sioux County just east of the Big Sioux River in the Fairview area		The documentation form by John Van Dyk is the only one submitted and forms the basis of this record. \| Elimination of similar species: I at once ruled out a Peregrine: the bird did not have strong head markings (no dark crown, and no heavy 'sideburns') and was altogether too light to be a female Peregrine.	Iowa Ornithologists' Union \| MS 166	33	35
Rare bird documentation form for Prairie Falcon near the Bellevue Bridge, 1981	Field notes	Birds--Identification Ornithology Rare birds	1981-10-20	N/A	Rare birds documentation form	Rare bird documentation form for a Prairie Falcon near Bellevue Bridge in Mills County, IA on October 20, 1981.	Bray, Tanya Kovanda, Sandra Padelford, Babs	Prairie Falcon	Bellevue Bridge	Mills County, Highway 370, approx 1 1/2 miles east of the Bellevue Bridge	Missouri River bottomland; cornfields	The documentation form by Babs Padelford, Sandy Kovanda, and Tanya Bray is the only one submitted and forms the basis of this record. \| Elimination of similar species: The pale brown upperparts and black axillars elimate [sic] Peregrine Falcon. Size and black axillars eliminate Merlin. \| The original documentation form event lasted from 11:30:00/11:35:00.	Iowa Ornithologists' Union \| MS 166	33	35
Rare bird documentation form for Prairie Falcon north of Laurens, 1988	Field notes	Birds--Identification Ornithology Rare birds	1988-02-04	N/A	Rare birds documentation form	Rare bird documentation form for a Prairie Falcon north of Laurens in Pocahontas County, IA on February 4, 1988.	Fuller, James L	Prairie Falcon	Laurens	4 miles N of Laurens - Pocahontas & Palo Alto Co. line area	open farmland	The documentation form by Jim Fuller is the only one submitted and forms the basis of this record. Other observers include Mark Snyder and Ron Harms. \| Elimination of similar species: Peregrine - Peregrine darker upperparts & lacks the dark underwing areas. Merlin - size and underwing areas. \| The original documentation form event lasted from 07:40:00/07:40:45.	Iowa Ornithologists' Union \| MS 166	33	35
Rare bird documentation form for Prairie Falcon north of Laurens, 1988	Field notes	Birds--Identification Ornithology Rare birds	1988-02-01	N/A	Rare birds documentation form	Rare bird documentation form for a Prairie Falcon north of Laurens in Pocahontas County, IA on February 1, 1988.	DeWall, Rita	Prairie Falcon	Laurens	5 miles north of Laurens, Pocahontas County, Iowa	Open farm ground	The documentation form by Rita Dewall is the only one submitted and forms the basis of this record. Other observers include Judy Carlson, Helen Carlson and Ron Reese. \| Elimination of similar species: More brown than Peregrine Falcon, both female Merlin and Peregrine Falcon lack underwing pattern observed in this bird. \| The original documentation form event lasted from 10:45:00/10:55:00.	Iowa Ornithologists' Union \| MS 166	33	35
Rare bird documentation form for Prairie Falcon northeast of Clio, 1991	Field notes	Birds--Identification Ornithology Rare birds	1991-01-13	N/A	Rare birds documentation form	Rare bird documentation form for a Prairie Falcon northeast of Clio in Wayne County, IA on January 13 in 1991.	Fuller, James L	Prairie Falcon	Clio	Three-quarters of a mile northeast of Clio, Wayne County.	Open farming area, with a few scattered trees. Mostly grassy fields in surrounding area.	The documentation form by Jim Fuller is the only one submitted and forms the basis of this record. \| Elimination of similar species: Other large falcons are not generally this light in color, and do not display the black underwing areas this bird had. \| The original documentation form event lasted from 15:30:00/15:30:30.	Iowa Ornithologists' Union \| MS 166	33	35
Rare bird documentation form for Prairie Falcon northeast of Spirit Lake, 1995	Field notes	Birds--Identification Ornithology Rare birds	1995-12-31	1996-01-02	Rare birds documentation form	Rare bird documentation form for a Prairie Falcon northeast of Spirit Lake in Dickinson County, IA on December 31, 1995.	Thelen, Ed	Prairie Falcon	Spirit Lake	NE of Spirit Lake - Dickinson County	Gravel roadside - on telephone pole	The documentation form by Ed Thelen is the only one submitted and forms the basis of this record. \| Elimination of similar species: Peregrine & Gyrfalcon don't have dark axillars. \| The original documentation form event lasted from 12:00:00/12:15:00.	Iowa Ornithologists' Union \| MS 166	33	35
Rare bird documentation form for Prairie Falcon northwest of Hubbard and south of Alden, 1989	Field notes	Birds--Identification Ornithology Rare birds	1989-11-28	N/A	Rare birds documentation form	Rare bird documentation form for a Prairie Falcon northwest of Hubbard and south of Alden in Hardin County, IA on November 28, 1989.	Proescholdt, Mark	Prairie Falcon	Alden Hubbard	Hardin County - NW of Hubbard and South of Alden	almost all fields of corn and beans - mostly plowed now	The documentation form by Mark Proescholdt is the only one submitted and forms the basis of this record. \| Elimination of similar species: A Peregrine has different facial markings and lacks the distinctive dark axillaries and wing coverts. \| The original documentation form event lasted from 13:30:00/13:31:00.	Iowa Ornithologists' Union \| MS 166	33	35
Rare bird documentation form for Prairie Falcon northwest of Minburn, 1989	Field notes	Birds--Identification Ornithology Rare birds	1989-10-14	N/A	Rare birds documentation form	Rare bird documentation form for a Prairie Falcon northwest of Minburn in Dallas County, IA on October 14 in 1989.	Myers, Robert K.	Prairie Falcon	Minburn	2 miles NW of Minburn, Ia.	Pasture at edge of timber	The documentation form by Bob Myers is the only one submitted and forms the basis of this record. \| Elimination of similar species: Peregrine would not have the dark axillaries. \| The original documentation form event lasted from 09:30:00/09:31:00.	Iowa Ornithologists' Union \| MS 166	33	35
Rare bird documentation form for Prairie Falcon south of Cherokee, 1992	Field notes	Birds--Identification Ornithology Rare birds	1992-09-19	N/A	Rare birds documentation form	Rare bird documentation form for a Prairie Falcon south of Cherokee in Cherokee County, IA on September 19, 1992.	Bierman, Dick	Prairie Falcon	Cherokee	6 miles South of Cherokee, Cherokee County	Little Sioux River Valley Timbered hillsides & pastures	The documentation form by Dick Bierman is the only one submitted and forms the basis of this record. Other observers include Sy Runkel and Brian Fulton. \| Elimination of similar species: Peregrine Falcon is much darker on the back. Swainson's Hawk is buteo shaped. I've seen thousands and monitored nests. Merlin is smaller. \| The original documentation form event lasted from 14:30:00/14:34:00.	Iowa Ornithologists' Union \| MS 166	33	35
Rare bird documentation form for Prairie Falcon south of Saylorville Reservoir, 1991	Field notes	Birds--Identification Ornithology Rare birds	1991-11-10	1991-11-12	Rare birds documentation form	Rare bird documentation form for a Prairie Falcon south of Saylorville Reservoir in Polk County, IA on November 10, 1991.	Cecil, Robert I.	Prairie Falcon	Saylorville Lake	1/2 mile S. of Highway 17 bridge at Sailorville [sic] Res., Polk Co.	Ag. land interspersed with woodlots.	The documentation form by Bob Cecil is the only one submitted and forms the basis of this record. Other observers include Sue Spieker. \| Elimination of similar species: Narrow, uniform width mustache, streaked crown, and dark axilaries [sic] eliminate Peregrine. Size eliminates Merlin. \| The original documentation form event lasted from 09:45:00/09:50:00.	Iowa Ornithologists' Union \| MS 166	33	35
Rare bird documentation form for Prairie Falcon south of Yale, 1995	Field notes	Birds--Identification Ornithology Rare birds	1995-04-16	1995-04-30	Rare birds documentation form	Rare bird documentation form for a Prairie Falcon south of Yale in Guthrie County, IA on April 16, 1995.	Widner, Russ	Prairie Falcon	Yale	South of Yale IA	Bean Field	The documentation form by Russ Widner is the only one submitted and forms the basis of this record. Other observers include Norm Larsen. \| Elimination of similar species: The size, manner of flying + facial coloration eliminate even a [illegible] female Kestrel. The size, facial pattern, probable axillary pigmentation + lack of strong tail bars eliminate Merlin. The head + face pattern + lack of a broad sideburn a helmet, coloration + somewhat shallower wing beat rule against Peregrine. The face pattern, wing shape, manner of flying + lack of a white rump patch eliminate Harrier. \| The original documentation form event occurred around 15:00:00.	Iowa Ornithologists' Union \| MS 166	33	35
Rare bird documentation form for Prairie Falcon southeast of Kelley, 1986	Field notes	Birds--Identification Ornithology--Societies, etc Rare birds	1986-12-16	N/A	Rare birds documentation form	Rare bird documentation form for a Prairie Falcon southeast of Kelley in Story County, IA on December 16, 1986.	Dinsmore, Stephen J.	Prairie Falcon	Kelley	2 mi. s and 1 mi. e of Kelly [sic], Story Co.	perched in a tree over a large, grassy field	The documentation form by Steve Dinsmore is the only one submitted and forms the basis of this record. Other observers include Bart Ballard. \| Elimination of similar species: The long tail and pointed wings make the bird a falcon of some sort. The size eliminates Merlin and Am. Kestrel. The black axillaries eliminate Peregrine Falcon and Gyrfalcon. \| The original documentation form event lasted from 11:07:00/11:13:00 on December 16 and 08:10:00/08:23:00 on December 17.	Iowa Ornithologists' Union \| MS 166	33	35
Rare bird documentation form for Prairie Falcon southeast of Larrabee, 1987	Field notes	Birds--Identification Ornithology Rare birds	1987-07-28	1987-07-29	Rare birds documentation form	Rare bird documentation form for two Prairie Falcons southeast of Larrabee in Cherokee County, IA on July 28, 1987.	Brewer, Marion M.	Prairie Falcon	Larrabee	3 east, 1 south of Larabee [sic], Iowa	Rough rolling pastureland (bluff of the Little Sioux River)	The documentation form by Marion M. Brewer is the only one submitted and forms the basis of this record. \| Elimination of similar species: Merlin & Peregrine (see above) [...] It was to [sic] large to be a merlin. It didn't have the wide wisker [sic] of a Peregrine falcon. \| The original documentation form event lasted from 14:15:00/14:25:00.	Iowa Ornithologists' Union \| MS 166	33	35
Rare bird documentation form for Prairie Falcon west of Webb, 1991	Field notes	Birds--Identification Ornithology Rare birds	1991-03-07	N/A	Rare birds documentation form	Rare bird documentation form for a Prairie Falcon west of Webb in Clay County, IA on March 7, 1991.	Bierman, Dick	Prairie Falcon	Webb	3 miles west of Webb, Clay County	open farm ground	The documentation form by Dick Bierman is the only one submitted and forms the basis of this record. Other observers include Jeff Brown and Jerry Fifield. \| Elimination of similar species: Merlin - This bird was larger and lighter. Perigrine [sic] - This birds malar was not wide enough. Accipiters - This bird had distinctly pointed wings. \| The original documentation form event lasted from 16:10:00/16:20:00.	Iowa Ornithologists' Union \| MS 166	33	35
Rare bird documentation form for Prairie Warbler at Croton Unit in Shimek State Forest in 1985	Field notes	Birds--Identification Birdsongs Rare birds	1985-07-04	1985-07-26	Manuscript, graphic, and printed material	Rare bird documentation form for a Prairie Warbler at Croton Unit in Shimek State Forest in Lee County, IA on July 4, 5, 6, 7, 9, 11, 12, 15, 16, and 26, 1985.	Cecil, Robert I.	Prairie Warbler	Shimek State Forest Wildlife Management Area - Croton Unit				Iowa Ornithologists' Union \| MS 166	35	30
Rare bird documentation form for Prairie Warbler at Croton Unit in Shimek State Forest in 1986	Field notes	Birds--Identification Birdsongs Rare birds	1986-06-07	1986-06-19	Manuscript, graphic, and printed material	Rare bird documentation form for a Prairie Warbler at Croton Unit in Shimek State Forest in Lee County, IA on June 7, 9, 10, and 12, 1986.	Cecil, Robert I.	Prairie Warbler	Shimek State Forest Wildlife Management Area - Croton Unit				Iowa Ornithologists' Union \| MS 166	35	30