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 Northern Goshawk at Moorehead Park, 1996	Field notes	Birds--Identification Ornithology Rare birds	1996-01-27	1996-02-03	Rare birds documentation form	Rare bird documentation form for a Northern Goshawk at Moorehead Park in Ida County, IA on January 27, 1996.	Thelen, Wes	Northern Goshawk	Moorehead Pioneer Park	Moorehead Park - Ida County	Oak - Cedar - Edge	The documentation form by Wes Thelen is the only one submitted and forms the basis of this record. Other observers include Marty Thelen and Matt Thelen. \| Elimination of similar species: Cooper's Hawk - Has a more rusty chest and no rear eye stripe. \| The original documentation form event lasted from 14:30:00/14:35:00.	Iowa Ornithologists' Union \| MS 166	33	25
Rare bird documentation form for Northern Goshawk at Rockwell, 1997	Field notes	Birds--Identification Ornithology Rare birds	1997-10-16	1997-11-27	Rare birds documentation form	Rare bird documentation form for a Northern Goshawk at Rockwell in Cerro Gordo County, IA on October 16, 1997.	Goranson, Rita	Northern Goshawk	Rockwell	2 miles so of Rockwell, Ia on Hwy 65 Cerro Gordo Co.	field - stubble creek near	The documentation form by Rita Goranson is the only one submitted and forms the basis of this record. \| Elimination of similar species: not a peregrine as darker area horizontal through eye - not a vertical streak. \| The original documentation form event occurred around 12:35:00.	Iowa Ornithologists' Union \| MS 166	33	25
Rare bird documentation form for Northern Goshawk at Sweet Marsh, 1998	Field notes	Birds--Identification Ornithology Rare birds	1998-12-19	N/A	Rare birds documentation form	Rare bird documentation form for a Northern Goshawk at Sweet Marsh in Bremer County, IA on December 19, 1998.	Moore, Francis L.	Northern Goshawk	Sweet Marsh	South side of Sweet Marsh, near Tripoli, Bremer County, Iowa	Open freshwater marsh with a few dead trees and stumps above water line	The documentation form by Francis L. Moore is the only one submitted and forms the basis of this record. Other observers include Bob Cecil. \| Elimination of similar species: Large size eliminates sharp-shinned and Cooper's Hawks and Merlin. The broad white eye stripe eliminates all others. \| The original documentation form event lasted from 11:07:00/11:12:00.	Iowa Ornithologists' Union \| MS 166	33	25
Details for Northern Goshawk	Field notes	Birds--Identification Ornithology Rare birds	1998-12-19	N/A	Manuscript, graphic, and printed material	Field notes written by Janice Walter detailing the sighting of a Northern Goshawk dated December 19, 1998.	Walter, Janice L.	Northern Goshawk	Mason City				Iowa Ornithologists' Union \| MS 166	33	25
Rare bird documentation form for Northern Goshawk at Cedar Falls, 1998	Field notes	Birds--Identification Ornithology Rare birds	1998-12-20	N/A	Rare birds documentation form	Rare bird documentation form for a Northern Goshawk at Cedar Falls in Black Hawk County, IA on December 20, 1998.	Moore, Francis L.	Northern Goshawk	Cedar Falls	Near Cedar River, north part of Cedar Falls, Black Hawk County, Iowa	Wooded river flood plain	The documentation form by Francis L. Moore is the only one submitted and forms the basis of this record. \| Elimination of similar species: size too large for Sharp-shinned or Merlin. Size was also larger than a large Cooper's female should have been. \| The original documentation form event lasted from 13:25:00/13:27:00.	Iowa Ornithologists' Union \| MS 166	33	25
Rare bird documentation form for Northern Goshawk at Five Ridge Prairie State Park, 1999	Field notes	Birds--Identification Ornithology Rare birds	1999-01-03	N/A	Rare birds documentation form	Rare bird documentation form for a Northern Goshawk at Five Ridge Prairie State Park in Plymouth County, IA on January 3, 1999.	Probst, Jerry	Northern Goshawk	Five Ridge Prairie State Preserve	5 Ridge Prarie Plymouth Co. IA	Below dam Riparian + Upper transition Red Cedar - Burr Oak	The documentation form by Jerry Probst is the only one submitted and forms the basis of this record. Other observers include Warren Dunkle. \| Elimination of similar species: Cooper's - This bird was too heavy bodied, strong wing beats and the whitish gray ventral side (body). Red-shouldered - Goshawk gray color - wing pattern - flight. \| The original documentation form event occurred twice at 09:00:00 and 11:30:00.	Iowa Ornithologists' Union \| MS 166	33	25
Rare bird documentation form for Northern Goshawk at Cedar Falls, 1981	Field notes	Birds--Identification Ornithology Rare birds	1981-12-26	1981-12-27	Rare birds documentation form	Rare bird documentation form for a Northern Goshawk at Cedar Falls in Black Hawk County, IA on December 26, 1981.	Myers, Robert K.	Northern Goshawk	Cedar Falls	Cedar Falls (Black Hawk County)	River bottom timber along Cedar Riv.	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: Large size and white eyestripe and very fluffy under tail covets eliminated the Cooper's hawk. \| The original documentation form event lasted from 11:40:00/12:00:00.	Iowa Ornithologists' Union \| MS 166	33	25
Rare bird documentation form for Red-shouldered Hawk at Union Slough Refuge, 1979	Field notes	Birds--Identification Ornithology Rare birds	1979-04-30	1979-05-07	Rare birds documentation form	Rare bird documentation form for a Red-shouldered Hawk at Union Slough Refuge in Kossuth County, IA on April 30, 1979.	Klaas, Erwin E	Red-shouldered Hawk	Union Slough National Wildlife Refuge	South end of Union Slough Refuge about 1/8 m. W of Deer Meadow Picnic Area	Refuge is large marshy wetland area surrounded by intensive farming area. South end of refuge has extensive wooded area along Buffalo Creek. Trees mostly box elder, Maple and Cottonwood.	The documentation form by Erwin E. Klaas is the only one submitted and forms the basis of this record. Other observers include Jim Kline and Glenn Welp. \| Elimination of similar species: Diagnostic characteristics were seen up close with binoculars. Definitely not a red-tail or broad-wing. \| The original documentation form event lasted from 14:00:00/14:05:00.	Iowa Ornithologists' Union \| MS 166	33	26
Rare bird documentation form for Red-shouldered Hawk at Sweet Marsh, 1981	Field notes	Birds--Identification Ornithology Rare birds	1981-12-19	1981-12-26	Rare birds documentation form	Rare bird documentation form for a Red-shouldered Hawk at Sweet Marsh in Bremer County, IA on December 19, 1981.	Myers, Robert K.	Red-shouldered Hawk	Sweet Marsh	Sweet Marsh (south side), Bremer County	River bottom timber along Wapsipinicon River	The documentation form by Robert K. Myers is the only one submitted and forms the basis of this record. Other observers include Bill Watson. \| Elimination of similar species: Broad-winged Hawk has banded tail but sizes wing pattern and date eliminated it. \| The original documentation form event lasted from 12:45:00/13:00:00.	Iowa Ornithologists' Union \| MS 166	33	26
Rare bird documentation form for Red-shouldered Hawk at Jefferson Township in Madison County, 1984	Field notes	Birds--Identification Ornithology Rare birds	1984-01-20	1984-01-21	Rare birds documentation form	Rare bird documentation form for a Red-shouldered Hawk at Jefferson Township in Madison County, IA on January 20, 1984.	Armstrong, Eloise	Red-shouldered Hawk	Jefferson Township	Sec. 32 - Jefferson twsp - Madison County	wooded area - was on edge of a 30 acre wooded area with small cedars + multiflora rose under brush.	The documentation form by Eloise Armstrong is the only one submitted and forms the basis of this record. Other observers include Eugene Armstrong and Dennis Thompson. \| Elimination of similar species: Sharp-shinned, Cooper's, Red-tail. \| The original documentation form event lasted from 14:30:00/14:45:00.	Iowa Ornithologists' Union \| MS 166	33	26
Rare bird documentation form for Red-shouldered Hawk at Clear Creek Township in Jasper County, 1984	Field notes	Birds--Identification Ornithology Rare birds	1984-01-22	1984-02-05	Rare birds documentation form	Rare bird documentation form for a Red-shouldered Hawk at Clear Creek Township in Jasper County, IA on January 22, 1984.	Zaletel, Hank	Red-shouldered Hawk	Clear Creek Township	Jasper County, Clear Creek Twnshp T8IN-R21W Section 13 SE	Steep hills, flat valleys, wooded slopes	The documentation form by Hank Zaletel is the only one submitted and forms the basis of this record. \| Elimination of similar species: Red tail does not have barred tail, does not have orange brown breast as well as underside wing linings. Broad wing has fewer bars on tail, does not have orange brown underside wing linings neither have dark, white spacing on top side secondaries. \| The original documentation form event lasted from 13:30:00/13:45:00.	Iowa Ornithologists' Union \| MS 166	33	26
Rare bird documentation form for Red-Shouldered Hawk at Wildlife Research Station in Boone County in 1988	Field notes	Birds--Identification Ornithology Rare birds	1988-03-14	1988-03-17	Manuscript, graphic, and printed material	Rare bird documentation form for a Red-Shouldered Hawk at the Wildlife Research Station in Boone County, IA on March 14 to 17, 1988.	Reeves, Doug	Red-shouldered Hawk	Wildlife Research Station				Iowa Ornithologists' Union \| MS 166	33	26
Rare bird documentation form for Broad-winged Hawk at Cedar Rapids, unknown date	Field notes	Birds--Identification Ornithology Rare birds	N/A	N/A	Rare birds documentation form	Rare bird documentation form for a Broad-winged Hawk at Cedar Rapids in Linn County, IA on December 20, unknown year.	Bradley, Rob	Broad-winged Hawk	Cedar Rapids	N.E. Cedar Rapids Izaak Walton	Open woods	The documentation form by Rob Bradley is the only one submitted and forms the basis of this record. Other observers include Roger Heidt. \| Elimination of similar species: Red tail - too small - tail band. \| The original documentation form event occurred in the AM for 10 sec approximately.	Iowa Ornithologists' Union \| MS 166	33	27
Rare bird documentation form for Broad-winged Hawk at Grammer Grove, 1995	Field notes	Birds--Identification Ornithology Rare birds	1995-10-21	N/A	Rare birds documentation form	Rare bird documentation form for a Broad-winged Hawk at Grammer Grove in Marshall County, IA on October 21, 1995.	Proescholdt, Beth	Broad-winged Hawk	Grammer Grove County Wildlife Area	Grammer Grove		The documentation form by Beth Proescholdt is the only one submitted and forms the basis of this record. Other observers include Jim Sinclair, Mark Proescholdt, and Rick Trieff. \| Elimination of similar species: When we saw a barred tail at first we thought 'Red-shouldered', but realized it was a Broadwing tail, with the wider, darker subterminal hand of an adult - distinctly different from the Red-shouldered's even-width dark bands + more narrow white bands. \| The original documentation form event lasted for four and a half hours.	Iowa Ornithologists' Union \| MS 166	33	27
Rare bird documentation form for Swainson's Hawk at Hartman Reserve, 1977	Field notes	Birds--Identification Ornithology Rare birds	1977-04-20	1977-12-01	Rare birds documentation form	Rare bird documentation form for three Swainson's Hawks at Hartman Reserve in Cedar Falls in Black Hawk County, IA on April 20, 1977.	Stone, Tom	Swainson's Hawk	Hartman Reserve Nature Center	Hartman Reserve, Cedar Falls, (Nesting)	Cedar River flood plain area, lowland forest	The documentation form by Thomas Stone is the only one submitted and forms the basis of this record. Other observers include Russ Hays, Dean Roosa, Mary Duritsa, and Antoinette Camarata. \| Elimination of similar species: Red Tailed Hawk, Rough legged Hawk. \| The original documentation form event lasted from 07:00:00/20:00:00.	Iowa Ornithologists' Union \| MS 166	33	28
Rare bird documentation form for Swainson's Hawk at Osceola County, 1978	Field notes	Birds--Identification Ornithology Rare birds	1978-05-16	N/A	Rare birds documentation form	Rare bird documentation form for two Swainson's Hawks at Osceola County, IA on May 16, 1978.	Bierman, Dick	Swainson's Hawk	Osceola County	Osceola County	open farm country, nest in a farm grove	The documentation form by Dick Bierman is the only one submitted and forms the basis of this record. Other observers include Dean Roosa and Steve Duecker. \| Elimination of similar species: Red Tail, these birds had no red tail. \| The original documentation form event lasted all day.	Iowa Ornithologists' Union \| MS 166	33	28
Rare bird documentation form for Swainson's Hawk east of Sweet Marsh in 1977	Field notes	Birds--Identification Ornithology Rare birds	1977-08-06	1977-12-01	Manuscript, graphic, and printed material	Rare bird documentation form for two separate sightings of Swainson's Hawks east of Sweet Marsh in Bremer County, IA. The first sighting was for two hawks on August 6, 1977. The second sighting was for two hawks on September 17, 1977.	Stone, Tom	Swainson's Hawk	Sweet Marsh				Iowa Ornithologists' Union \| MS 166	33	28
Rare bird documentation form for Swainson's Hawk near Lake Mills and Rice Lake, 1978	Field notes	Birds--Identification Ornithology Rare birds	1978-06-03	1978-06-12	Rare birds documentation form	Rare bird documentation form for a Swainson's Hawk near Lake Mills and Rice Lake in Winnebago County, IA on June 3, 1978.	Dinsmore, James J.	Swainson's Hawk	Lake Mills Rice Lake	Winnebago County, 1 1/2 miles SE of Lake Mills (1 mile N of Rice Lake)	mixed oak savannah with farmland. Bird flew from area of oak woodlot out over farmland and circled over me	The documentation form by James Dinsmore is the only one submitted and forms the basis of this record. \| Elimination of similar species: red tail-no belly band, no red on tail, shape seemed slimmer than most red-tails. roughleg-no white on rump, no tail bands. Broadwing and red-shoulder- too big and no tail bands. \| The original documentation form event lasted from 13:55:00/14:00:00.	Iowa Ornithologists' Union \| MS 166	33	28
Rare bird documentation form for Swainson's Hawk near Melvin, 1978	Field notes	Birds--Identification Ornithology Rare birds	1978-06-09	1978-06-12	Rare birds documentation form	Rare bird documentation form for two Swainson's Hawks near Melvin in Osceola County, IA on June 9, 1978.	Dinsmore, James J.	Swainson's Hawk	Melvin	along highway 59, 6 miles south of intersection with highway 9, or 4 miles north of Melvin, in Osceola County	Open farmland with nearly all row crops. Nest was in a small grove of cottonwoods (large trees) around a farm. Trees had no underbrush and was almost parklike	The documentation form by James Dinsmore is the only one submitted and forms the basis of this record. Other observers include Tom Nigus. \| Elimination of similar species: Redtail-no red, no belly band. Roughleg-no bands on tail. Broadwing & red-shouldered - size and no bands on tail. \| The original documentation form event lasted from 15:30:00/15:40:00.	Iowa Ornithologists' Union \| MS 166	33	28
Rare bird documentation form for Swainson's Hawk at Bayard, 1980	Field notes	Birds--Identification Ornithology Rare birds	1980-09-21	1980-09-28	Rare birds documentation form	Rare bird documentation form for three Swainson's Hawks at Bayard in Guthrie County, IA on September 21, 1980.	Newlon, Michael C.	Swainson's Hawk	Bayard	near Bayard, Guthrie Co., IA	farmland	The documentation form by Michael C. Newlon is the only one submitted and forms the basis of this record. Other observers include Tom Shires, Carol Newlon, and Thomas Kent. \| Elimination of similar species: build, combination of white underparts + wing - linings plus dark flight -feathers eliminate other possible buteos - redtail, roughleg, broadwing, ferruginous, red-shoulder. \| The original documentation form event occurred around 11:30:00/11:40:00 approximately.	Iowa Ornithologists' Union \| MS 166	33	28
Rare bird documentation form for Swainson's Hawk at Bronson, 1984	Field notes	Birds--Identification Ornithology Rare birds	1984-05-04	1984-05-08	Rare birds documentation form	Rare bird documentation form for a Swainson's Hawk at Bronson in Woodbury County, IA on May 4, 1984.	Holloway, Jack A.	Swainson's Hawk	Bronson	Woodbury County, Bronson, Iowa	Open pastures and barefields	The documentation form by Jack A. Holloway III is the only one submitted and forms the basis of this record. \| Elimination of similar species: Harlan's: Harlan's has more white on the tail and on the underside of wing. Harlan's wings are not as long + does not have the distinct habit of flying with the wings at such a noticeable angle. \| The original documentation form event lasted from 10:05:00/10:20:00.	Iowa Ornithologists' Union \| MS 166	33	28
Rare bird documentation form for Swainson's Hawk at Union Slough National Wildlife Refuge, 1988	Field notes	Birds--Identification Ornithology Rare birds	1988-03-27	N/A	Rare birds documentation form	Rare bird documentation form for a Swainson's Hawk at Union Slough National Wildlife Refuge in Kossuth County, IA on March 27, 1988.	Kenne, Matthew C.	Swainson's Hawk	Union Slough National Wildlife Refuge	1 mi E of Union Slough N.W.R., Kossuth Co., Ia. south of Titonka Blacktop	Pasture dotted with trees, stream in bottom.	The documentation form by Matthew Kenne is the only one submitted and forms the basis of this record. \| Elimination of similar species: Other dark buteos have paler areas underneath, but this bird was as dark under wing as chest, belly, and back. \| The original documentation form event lasted from 10:30:00/10:35:00.	Iowa Ornithologists' Union \| MS 166	33	28
Rare bird documentation form for Swainson's Hawk at Hawkeye Wildlife Area, 1992	Field notes	Birds--Identification Ornithology Rare birds	1992-04-04	1992-04-05	Rare birds documentation form	Rare bird documentation form for a Swainson's Hawk at Round Pond in Hawkeye Wildlife Area in Johnson County, IA on April 4, 1992.	Scheib, James	Swainson's Hawk	Hawkeye Wildlife Management Area	Just east & south of Round Pond in Hawkeye WIldlife Area, Johnson Co.	Over trees lining a grassy field on south side of Swan Lake Road.	The documentation form by James Scheib is the only one submitted and forms the basis of this record. Other observers include Sharon Scheib. \| Elimination of similar species: I assumed a Red-tailed hawk until I put my binoculars on it and saw that it lacked the patagial marks of a RTH and had a dark mottled pattern underneath including the breast, thus really getting my attention. I next assumed a Rough-legged Hawk and looked to the wing pattern, but the wrist markings were dark commas, not the large carpal patch in a RLH. See above for RTH & RLH. From the first I never considered it to be a Red-shouldered Hawk because of the highly contrasting patterning of the underside as opposed to the duller, finer underside of the RSH. The size was also that of a larger hawk. \| The original documentation form event lasted from 09:00:00/09:02:00.	Iowa Ornithologists' Union \| MS 166	33	28
Rare bird documentation form for Red-tailed Hawk at Hickory Hill Park, 1981	Field notes	Birds--Identification Ornithology Rare birds	1981-11-16	1981-12-01	Rare birds documentation form	Rare bird documentation form for a Red-tailed Hawk at Hickory Hill Park in Iowa City in Johnson County, IA on November 16, 1981.	Newlon, Michael C.	Red-tailed Hawk	Hickory Hill Park	N side Hickory Hill Park, Iowa City, Johnson Co IA	pastures/hedgerows/woods	The documentation form by Mike Newlon is the only one submitted and forms the basis of this record. \| Elimination of similar species: Lack of immaculate primaries, rusty on tail tend to eliminate rough-leg. Tail pattern suggests Harlan's r.t. \| The original documentation form event lasted from 08:30:00/08:45:00.	Iowa Ornithologists' Union \| MS 166	33	29
Rare bird documentation form for Red-tailed Hawk at Willow Slough Public Hunting Area in 1982	Field notes	Birds--Identification Ornithology Rare birds	1982-03-13	1982-04-10	Manuscript, graphic, and printed material	Rare bird documentation form for a Red-tailed Hawk at Willow Slough Public Hunting Area in Mills County, IA on March 13, 25, 27, and April 10, 1982.	Wilson, Barbara L.	Red-tailed Hawk	Willow Slough State Game Management Area				Iowa Ornithologists' Union \| MS 166	33	29