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 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 at Swan Wildlife Refuge, 1991	Field notes	Birds--Identification Ornithology Rare birds	1991-10-27	N/A	Rare birds documentation form	Rare bird documentation form for a Prairie Falcon at Swan Wildlife Refuge in Marion County, IA on October 27, 1991.	Johnson, Ann	Prairie Falcon	Swan Wildlife Refuge	Swan Wildlife Refuge, Warren County [incorrect county], IA	Overlook of river bottom, waterfowl refuge	The documentation form by Ann Johnson is the only one submitted and forms the basis of this record. \| Elimination of similar species: The pointed wings and powerful, direct flight identified the bird as a falcon. Size eliminated all but the more likely Peregrine. The pale color and narrow facial markings with light supercilliary all but eliminated the Peregrine. The brief look at the black on the underwing confirmed this. \| The original documentation form event lasted from 15:50:00/15:51:00.	Iowa Ornithologists' Union \| MS 166	33	35
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 at Saylorville Reservoir, 1988	Field notes	Birds--Identification Ornithology Rare birds	1988-10-14	1988-10-16	Rare birds documentation form	Rare bird documentation form for a Prairie Falcon at Saylorville Reservoir in Polk County, IA on October 14, 1988.	Dinsmore, Stephen J.	Prairie Falcon	Jester Park Saylorville Lake	Saylorville Reservoir, Polk Co.-along river channel north of Jester Park	flying back and forth along river channel	The documentation form by Steve Dinsmore is the only one submitted and forms the basis of this record. Other observers include Bery Engebretsen. \| Elimination of similar species: The large size, wing shape, and dark axillaries eliminates all other falcons. \| The original documentation form event lasted from 09:25:00/09:36:00.	Iowa Ornithologists' Union \| MS 166	33	35
Rare bird documentation form for Prairie Falcon at Big Creek State Park, 1988	Field notes	Birds--Identification Ornithology Rare birds	1988-09-05	1988-09-07	Rare birds documentation form	Rare bird documentation form for a Prairie Falcon at Big Creek State Park in Polk County, IA on September 5, 1988.	Dinsmore, Stephen J.	Prairie Falcon	Big Creek State Park	Big Creek S.P., Polk Co.-north end	flying over lake	The documentation form by Steve Dinsmore is the only one submitted and forms the basis of this record. Other observers include Reid Allen and Pam Allen. \| Elimination of similar species: The large size, long tail, long, pointed wings, and dark axillaries eliminate all other raptors. \| The original documentation form event lasted from 12:35:00/12:38:00.	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 at Davenport, 1989	Field notes	Birds--Identification Ornithology Rare birds	1989-01-12	N/A	Rare birds documentation form	Rare bird documentation form for a Prairie Falcon at Davenport in Scott County, IA on January 12, 1989.	Petersen, Peter C.	Prairie Falcon	Davenport	Utah Ave at Mississippi River - West edge of Davenport, IA	First seen walking river edge then chasing Rock Doves at grain terminal, finally perched on top of grain elevator.	The documentation form by Peter C. Petersen is the only one submitted and forms the basis of this record. Other observers include Larry Fisher. \| Elimination of similar species: Peregrine Falcon - back darker, moustache black, no black underwing. Merlin, smaller, no black underwing. \| The original documentation form event lasted from 11:00:00/11:10:00.	Iowa Ornithologists' Union \| MS 166	33	35
Rare bird documentation form for Prairie Falcon at Liscomb, 1989	Field notes	Birds--Identification Ornithology Rare birds	1989-02-15	1989-02-27	Rare birds documentation form	Rare bird documentation form for a Prairie Falcon at Liscomb in Marshall County, IA on February 15, 1989.	Proescholdt, Mark	Prairie Falcon	Liscomb	in Liscomb - (Marshall County)	small town	The documentation form by Mark Proescholdt is the only one submitted and forms the basis of this record. \| Elimination of similar species: A Peregrine is darker colored and lacks the dark axillars. A Merlin is smaller and has a barred tail. \| The original documentation form event lasted from 09:00:00/09:01:20.	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 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	1989-03-01	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 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 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 sighting for Prairie Falcon in Iowa, 1991	Field notes	Birds--Identification Rare birds	1991-03-07	N/A	Manuscript, graphic, and printed material	Rare bird sighting in a sketch for a Prairie Falcon in Iowa on March 7, 1991.		Prairie Falcon	Iowa				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 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 at Saylorville Dam, 1989	Field notes	Birds--Identification Ornithology Rare birds	1989-11-03	1989-11-04	Rare birds documentation form	Rare bird documentation form for a Prairie Falcon at Saylorville Dam in Polk County, IA on November 3, 1989.	Fuller, James L	Prairie Falcon	Saylorville Dam	Dam-Saylorville Reservoir- Polk County	Dam face - Adjacent to water - fly by	The documentation form by Jim Fuller is the only one submitted and forms the basis of this record. Other observers include Cal Knight. \| Elimination of similar species: Merlin is smaller with blue-gray coloration in adult but has no black axillaries in any plumage. Peregrine Falcon does not have black axillaries and coloration from above is darker in all plumages. \| The original documentation form event lasted from 09:45:00/09:45:20.	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 at Goose Lake, Lehigh, and Moorland in 1984	Field notes	Birds--Identification Rare birds	1984-11-14	1984-11-26	Manuscript, graphic, and printed material	Rare bird documentation form for several sightings of Prairie Falcons. First sighting is of a Prairie Falcon is at Goose Lake northeast of Greene County, IA on November 14, 1984. Second sighting of a Prairie Falcon is northeast Lehigh in Webster County, IA on November 16, 1984. Third sighting of a Prairie Falcon is east of Moorland in Webster County, IA on November 24, 1984.	Martin, Elwood	Prairie Falcon	Goose Lake Lehigh Moorland				Iowa Ornithologists' Union \| MS 166	33	35
Rare bird documentation form for Prairie Falcon at Forney's Lake, 1984	Field notes	Birds--Identification Ornithology Rare birds	1984-03-25	N/A	Rare birds documentation form	Rare bird documentation form for a Prairie Falcon at Forney's Lake in Fremont County, IA on March 25, 1984.	Petersen, Peter C.	Prairie Falcon	Forneys Lake	Forney's Lake, Fremont Co.	Missouri River Valley. Forney's Lake and adjacent fields	The documentation form by Peter C. Petersen is the only one submitted and forms the basis of this record. Other observers include Lewis Blevins, Corey Blevins, and Brian Blevins. \| Elimination of similar species: Peregrine Falcon - black along base of wing and light fore edge eliminate. Merlin - same plus size. \| The original documentation form event lasted from 12:23:00/12:25:00.	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 at Worth Township in Boone County, 1982	Field notes	Birds--Identification Ornithology Rare birds	1982-02-20	N/A	Rare birds documentation form	Rare bird documentation form for a Prairie Falcon at Worth Township in Boone County, IA on February 20, 1982.	Martin, Kevin	Prairie Falcon	Worth Township	R. 26 T83 Sec. 12 NENE	open field	The documentation form by Kevin Martin is the only one submitted and forms the basis of this record. Other observers include Carol Martin. \| Elimination of similar species: Kestrel and Peregrine do not have the black arm pits or brown back. to [sic] large for a Kestrel. \| The original documentation form event occurred around 13:10:00.	Iowa Ornithologists' Union \| MS 166	33	35
Rare bird documentation form for Prairie Falcon at Sioux Center, 1982	Field notes	Birds--Identification Ornithology Rare birds	1982-02-06	N/A	Rare birds documentation form	Rare bird documentation form for a Prairie Falcon at Sioux Center in Sioux County, IA on February 6, 1982.	Van Dyk, John, 1936-	Prairie Falcon	Sioux Center	approximately three miles south-west of Sioux Center (Sioux Co.)		The documentation form by John Van Dyk is the only one submitted and forms the basis of this record. Other observers include John Kevin. \| The original documentation form event occurred around 09:00:00.	Iowa Ornithologists' Union \| MS 166	33	35
Rare bird documentation form for Prairie Falcon at Twelve Mile Lake Township in Emmet County, 1982	Field notes	Birds--Identification Ornithology Rare birds	1982-01-27	N/A	Rare birds documentation form	Rare bird documentation form for a Prairie Falcon at Twelve Mile Lake Township in Emmet County, IA on January 27, 1982.	Moats, Robert Moats, Barb	Prairie Falcon	Twelve Mile Lake Township	SE 1/4 Sec. 6 T98N-R34W Twelve Mile Lake Township		The documentation form by Bob and Barb Moats is the only one submitted and forms the basis of this record. \| Elimination of similar species: Peregrin [sic] Falcon. \| The original documentation form event lasted from 12:35:00/12:50:00.	Iowa Ornithologists' Union \| MS 166	33	35