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

Field notes for a Peregrine Falcon sighting by Tim Dwyer, May 10 1981	Field notes	Birds--Identification Rare birds	1981-05-03	1981-05-10	Manuscript, graphic, and printed material	Field notes written by Tim Dwyer giving details of a Peregrine Falcon sighting at the Cedar River bridge on Iowa Highway 22 in Muscatine County, IA on May 3, 1981.	Dwyer, Timothy L.	Peregrine Falcon	Pike Township				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 Colo, 1982	Field notes	Birds--Identification Ornithology Rare birds	1982-05-09	N/A	Rare birds documentation form	Rare bird documentation form for a Peregrine Falcon at Colo in Story County, IA on May 9, 1982.	Martsching, Paul	Peregrine Falcon	Colo	abt 3 miles south of Colo (Story County), Iowa	cropland. field with corn stubble residue	The documentation form by Paul Martsching is the only one submitted and forms the basis of this record. \| Elimination of similar species: male marsh hawk - no white rump patch, speckled underneath, much darker above, contrasting face pattern, style of flight very different. Prarie [sic] Falcon - was dark gray. Buteos - wings were long and very pointed - tail narrow - falcon like flight. Accipiters - wings were long and narrow and pointed. \| The original documentation form event lasted from 10:00:00/10:02:00.	Iowa Ornithologists' Union \| MS 166	33	34
Rare bird documentation form for Peregrine Falcon at Coralville Reservoir, 1982	Field notes	Birds--Identification Ornithology Rare birds	1982-10-10	N/A	Rare birds documentation form	Rare bird documentation form for a Peregrine Falcon at Coralville Reservoir in Johnson County, IA on October 10, 1982.	Kent, Thomas H. (Thomas Hugh), 1934-	Peregrine Falcon	Coralville Lake	Coralville Res., Johnson Co., IA	Reservoir edge, wet fields, dead trees	The documentation form by Thomas H. Kent is the only one submitted and forms the basis of this record. Other observers include Carl Bendorf, Rick Hollis, Philip Dunne, and Mike Newlon. \| Elimination of similar species: Facial mark eliminates buteos and accipiters. Dark color does not fit with Prairie Falcon. Axillaries not seen - did not fly. \| The original documentation form event lasted from 09:00:00/09:15:00.	Iowa Ornithologists' Union \| MS 166	33	34
Rare bird documentation form for Peregrine Falcon at Babcock Access, 1982	Field notes	Birds--Identification Ornithology Rare birds	1982-10-10	N/A	Rare birds documentation form	Rare bird documentation form for a Peregrine Falcon at Babcock Access in Johnson County, IA on October 10, 1982.	Hollis, Richard Jule	Peregrine Falcon	Babcock Access	Babcock Lk Road, North Western Jo	perched in tree overlooking flooded fields w shore birds + fencerow	The documentation form by Richard Hollis is the only one submitted and forms the basis of this record. Other observers include Thomas Kent, Carl Bendorf, Philip Dunne, and Michael C. Newlon. \| The original documentation form event lasted from 09:30:00/09:50:00 approximately.	Iowa Ornithologists' Union \| MS 166	33	34
Rare bird documentation form for Peregrine Falcon at Babcock Access, 1982	Field notes	Birds--Identification Ornithology--Societies, etc Rare birds	1982-10-10	1982-12-06	Rare birds documentation form	Rare bird documentation form for a Peregrine Falcon at Babcock Access in Hawkeye Wildlife Area in Johnson County, IA on October 10, 1982.	Newlon, Michael C.	Peregrine Falcon	Babcock Access	Babcock lake Road, Hawkeye Wildlife Area, Johnson Co. IA	area of dead trees at edge of reservoir	The documentation form by Michael Newlon is the only one submitted and forms the basis of this record. \| Elimination of similar species: Dark bar through eye (wide), coloration, falcon shape eliminate Prairie Falcon, Gyrfalcon. \| The original documentation form event lasted from 09:00:00/09:30:00.	Iowa Ornithologists' Union \| MS 166	33	34
Rare bird documentation form for Peregrine Falcon at Anderson Goose Lake, 1983	Field notes	Birds--Identification Ornithology Rare birds	1983-05-14	1983-05-15	Rare birds documentation form	Rare bird documentation form for a Peregrine Falcon at Anderson Goose Lake in Hamilton County, IA on May 14, 1983.	Dinsmore, Stephen J.	Peregrine Falcon	Anderson Goose Lake	Anderson Lake, Hamilton Co.	Flying over a lake/marsh area	The documentation form by Steve Dinsmore is the only one submitted and forms the basis of this record. Other observers include Barney Cook, Mike Nolan, and Steve Richards. \| Elimination of similar species: Merlin - smaller size, no hood, more slender appearance. Prairie Falcon - no hood, brown back, top of wings, tail. Coopers + Sharp-shinned Hawks - barring on breast, broader wings and feathered tips of wings. Also, lighter back and tops of wings. \| The original documentation form event lasted from 11:30:00/11:35:00.	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 Ames, 1983	Field notes	Birds--Identification Ornithology Rare birds	1983-10-10	N/A	Rare birds documentation form	Rare bird documentation form for a Peregrine Falcon at Ames in Story County, IA on October 10, 1983.	Martsching, Paul	Peregrine Falcon	Ames	Ames, Story County, Iowa	flying over town	The documentation form by Paul Martsching is the only one submitted and forms the basis of this record. \| Elimination of similar species: Sparrow hawk & Merlin much smaller. Prairie Falcon brown & unlikely anyway. Nighthawk has white bar on wings - floppy flight. other hawks would have wider wings & tail. \| The original documentation form event lasted from 17:15:00/17:15:20.	Iowa Ornithologists' Union \| MS 166	33	34
Rare bird documentation form for Peregrine Falcon along the Skunk River in Ames, 1983	Field notes	Birds--Identification Ornithology Rare birds	1983-11-06	1983-11-09	Rare birds documentation form	Rare bird documentation form for a Peregrine Falcon along the Skunk River in Ames in Story County, IA on November 6, 1983.	Martsching, Paul	Peregrine Falcon	Ames	along Skunk River east side of Ames, Story County, Iowa	river bottom land. over open field	The documentation form by Paul Martsching is the only one submitted and forms the basis of this record. \| Elimination of similar species: Pigeon (dark) smaller - white rump patch; wings wider; tail shorter; Usually doesn't fly rapidly any distance in a straight line. Merlin - smaller. Prairie Falcon - I think even in the poor lite [sic] it would have looked brownish if it had been a Prairie Falcon. This bird looked nearly black from above. \| The original documentation form event lasted from 09:30:00/09:30:20.	Iowa Ornithologists' Union \| MS 166	33	34
Rare bird documentation form for Peregrine Falcon at Ames, 1983	Field notes	Birds--Identification Ornithology Rare birds	1983-11-16	N/A	Rare birds documentation form	Rare bird documentation form for a Peregrine Falcon at Ames in Story County, IA on November 16, 1983.	Martsching, Paul	Peregrine Falcon	Ames	Ames, Story County, Iowa [with a drawing and detailed description on second page of document]	in town	The documentation form by Paul Martsching is the only one submitted and forms the basis of this record. \| Elimination of similar species: Prairie Falcon is light brown. Merlin is much smaller. accipiters have wide wings. \| The original documentation form event lasted from 12:45:00/12:48:00.	Iowa Ornithologists' Union \| MS 166	33	34
Rare bird documentation form for Peregrine Falcon near Denver, 1983	Field notes	Birds--Identification Ornithology Rare birds	1983-12-31	N/A	Rare birds documentation form	Rare bird documentation form for a Peregrine Falcon near Denver in Bremer County, IA on December 31, 1983.	Myers, Robert K.	Peregrine Falcon	Denver	2 mi. N. and 2 mi. E of Denver, Iowa	Barren open farmland - very few trees	The documentation form by Robert K. Myers is the only one submitted and forms the basis of this record. Other observers include Viola Bebout. \| Elimination of similar species: I know the bird was a falcon and as it was much too large for a Kestrel or Merlin I suspect a Prairie (also by habitat + season). A young Peregrine can not [sic] be ruled out however. \| The original documentation form event lasted from 16:00:00/16:03:00.	Iowa Ornithologists' Union \| MS 166	33	34
Rare bird documentation form for Peregrine Falcon at Heady Hall at Iowa State University, 1984	Field notes	Birds--Identification Ornithology Rare birds	1984-01-31	1984-02-04	Rare birds documentation form	Rare bird documentation form for a Peregrine Falcon near Heady Hall at Iowa State University in Ames in Story County, IA on January 31, 1984.	Bostian, Kelly	Peregrine Falcon	Heady Hall	East side of Iowa State University Campus	Tree top approximately 40-45 ft. east of Heady Hall (East Hall)	The documentation form by Kelly Bostian is the only one submitted and forms the basis of this record. \| Elimination of similar species: Prairie Falcon: Absence of dark terminal band on tail. \| The original documentation form event lasted from 17:10:00/17:15:00.	Iowa Ornithologists' Union \| MS 166	33	34
Rare bird documentation form for Peregrine Falcon in Delaware County, 1984	Field notes	Birds--Identification Ornithology Rare birds	1984-04-06	1984-05-17	Rare birds documentation form	Rare bird documentation form for a Peregrine Falcon in east-central Delaware County, IA on April 6, 1984.	Bendorf, Carl J.	Peregrine Falcon	Delaware County	EC Delaware Co., along hgwy 20	Typical Iowa countryside-cultivated fields with scattered small woodlots and stream bottoms.	The documentation form by Carl Bendorf is the only one submitted and forms the basis of this record. \| Elimination of similar species: First impression of size of Red-tail seems to rule out Merlin. Falcon shape of wings rules out accipiters. \| The original documentation form event occurred around 10:00:00.	Iowa Ornithologists' Union \| MS 166	33	34
Rare bird documentation form for Peregrine Falcon at Sweet Marsh, 1984	Field notes	Birds--Identification Ornithology Rare birds	1984-04-15	N/A	Rare birds documentation form	Rare bird documentation form for a Peregrine Falcon on the east side of Sweet Marsh in Bremer County, IA on April 15, 1984.	Moore, Francis L.	Peregrine Falcon	Sweet Marsh	East side of Sweet Marsh, Bremer Co., IA	Cattail marsh along Wapsipinicon River	The documentation form by Francis L. Moore is the only one submitted and forms the basis of this record. Other observers include Bob Myers. \| Elimination of similar species: No other bird looks like an adult Peregrine with the black mustache patches in front of the eye, the steel blue-black back and wings and light colored breast and belly. Accipiters do not look or fly like this bird did. \| The original documentation form event lasted from 10:35:00/11:15:00.	Iowa Ornithologists' Union \| MS 166	33	34
Rare bird documentation form for Peregrine Falcon at Sweet Marsh, 1984	Field notes	Birds--Identification Ornithology Rare birds	1984-04-15	1984-05-28	Rare birds documentation form	Rare bird documentation form for a Peregrine Falcon on the east side of Sweet Marsh in Bremer County, IA on April 15, 1984.	Myers, Robert K.	Peregrine Falcon	Sweet Marsh	Sweet Marsh-Bremer Co. - (east side)	Open marshy area. Bird likes to perch in top of dead trees in middle of large marshy area where it commands excellent view of a big area.	The documentation form by Robert K. Myers is the only one submitted and forms the basis of this record. Other observers include Francis Moore and an unidentified group. \| Elimination of similar species: Too big for a Merlin and too dark for a Prairie Falcon. \| The original documentation form event lasted from 10:30:00/10:45:00 and 11:00:00/11:15:00.	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 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 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 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 south of New Providence, 1984	Field notes	Birds--Identification Ornithology Rare birds	1984-05-08	1984-05-27	Rare birds documentation form	Rare bird documentation form for a Peregrine Falcon south of New Providence in Hardin County, IA on May 8, 1984.	Proescholdt, Mark	Peregrine Falcon	New Providence	about 1/2 mile south of New Providence, Iowa - (Hardin County)	open country - farm fields and two farmsteads	The documentation form by Mark Proescholdt is the only one submitted and forms the basis of this record. \| Elimination of similar species: A Merlin is much smaller and lacks the heavy black sideburns. A female Northern Harrier has white rump patch, has a different shape, and does not have heavy black sideburns. \| The original documentation form event lasted from 14:07:00/14:08:00.	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 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 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