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 Mason City, 1994	Field notes	Birds--Identification Ornithology Rare birds	1994-11-27	1994-12-27	Rare birds documentation form	Rare bird documentation form for a Northern Goshawk at Mason City in Cerro Gordo County, IA on November 27, 1994.	Goranson, Rita	Northern Goshawk	Mason City	115 Lakeview Drive, Mason City Iowa	a backyard with trees in between a wooded park and a wooded private lot	The documentation form by Rita Goranson is the only one submitted and forms the basis of this record. \| Elimination of similar species: Red-tailed hawks live close here - I've had them in my backyard also - this one hunted different - acted different. Cooper hawks come through here quite often - This one was larger, thicker, tail was equal to wings not longer. \| The original documentation form event lasted from 14:15:00/14:16:00.	Iowa Ornithologists' Union \| MS 166	33	25
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 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 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 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 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 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 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, 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
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 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
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 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 Boone Wildlife Research Station, 1986	Field notes	Birds--Identification Ornithology Rare birds	1986-08-25	N/A	Rare birds documentation form	Rare bird documentation form for a Northern Goshawk at Boone Wildlife Research Station south of Ledges State Park in Boone County, IA on August 25, 1986.	Reeves, Doug	Northern Goshawk	Ledges State Park	Boone Wildlife Research Station just south of Ledges State Park	Oak woods, open fields	The documentation form by Doug Reeves is the only one submitted and forms the basis of this record. Other observers include DeWaine Jackson, Tom Putnam and Jim Kienzler. \| Elimination of similar species: Too large for a Cooper's hawk (it was big!!), or a broad-winged hawk. No other gray hawks of that size and description that I am aware of. \| The original documentation form event occurred around 13:00:00.	Iowa Ornithologists' Union \| MS 166	33	25
Rare bird documentation form for Northern Goshawk at Green Valley State Park, 1980	Field notes	Birds--Identification Ornithology Rare birds	1980-04-04	1980-06-08	Rare birds documentation form	Rare bird documentation form for a Northern Goshawk at Green Valley State Park in Union County, IA on April 4, 1980.	Stone, Tom, Jr.	Northern Goshawk	Green Valley State Park	Near Green Valley State Park	open lake surrounded by open fields with scattered cedar trees and other deciduous trees.	The documentation form by Tom Stone, Jr. is the only one submitted and forms the basis of this record. Other observers include Tom Stone. \| Elimination of similar species: Female Cooper's Hawk is smaller and does not have a very clear conspicuous white stripe through the eye. I haven't seen any female Cooper's Hawk as large as the bird my dad and I saw. It was at least the size of a large Marsh Hawk. \| The original documentation form event lasted from 17:15:00/17:30:00.	Iowa Ornithologists' Union \| MS 166	33	25
Rare bird documentation form for Northern Goshawk at Hickory Hill Park, 1977	Field notes	Birds--Identification Ornithology Rare birds	1977-09-18	1977-11-29	Rare birds documentation form	Rare bird documentation form for a Northern Goshawk at Hickory Hill Park in Iowa City in Johnson County, IA on September 18, 1977.	Newlon, Michael C.	Northern Goshawk	Hickory Hill Park	Hickory Hill Park, Iowa City, IA	park on east edge of Iowa City, stream valley with second-growth woods, pasture, open meadows, thickets.	The documentation form by Michael C. Newlon is the only one submitted and forms the basis of this record. \| Elimination of similar species: accipiter build, grey upper parts + clear grey underpants eliminate all other E. N. hawks. \| The original documentation form event lasted from 13:00:00/13:05:00 approximately.	Iowa Ornithologists' Union \| MS 166	33	25
Rare bird documentation form for Northern Goshawk at Lost Island Lake in Huston Park, 1993	Field notes	Birds--Identification Ornithology Rare birds	1993-11-11	N/A	Rare birds documentation form	Rare bird documentation form for a Northern Goshawk at Lost Island Lake in Huston Park in Palo Alto County, IA on November 11, 1993.	Schoenewe, Lee A.	Northern Goshawk	Lost Island Huston Park	Huston Park, Lost Island Lake, Palo Alto Co.	Woods at lakeside	The documentation form by Lee A. Schoenewe is the only one submitted and forms the basis of this record. \| Elimination of similar species: Cooper's Hawk - size and eyebrow stripe. \| The original documentation form event lasted from 14:45:00/15:15:00.	Iowa Ornithologists' Union \| MS 166	33	25
Rare bird documentation form for Northern Goshawk at Rock Falls, 1993	Field notes	Birds--Identification Ornithology Rare birds	1993-09-15	1993-11-15	Rare birds documentation form	Rare bird documentation form for two Northern Goshawks at Rock Falls in Cerro Gordo County, IA on September 15, 1993.	Goranson, Rita	Northern Goshawk	Rock Falls	290th St. = 1/4/ mile from S62 near Rock Falls, Iowa	open pasture	The documentation form by Rita Goranson is the only one submitted and forms the basis of this record. Other observers include Carolyn Fisher, Beth McBride, Tim Phalen, Pat Hansen, and Jan Walter. \| Elimination of similar species: did not fly like falcons - wing shape different larger than Coopers - shape appeared different than Cooper's. \| The original documentation form event occurred around 10:00:00.	Iowa Ornithologists' Union \| MS 166	33	25
Rare bird documentation form for Northern Goshawk at Oakland Cemetery in Iowa City, 1992	Field notes	Birds--Identification Ornithology Rare birds	1992-10-03	N/A	Rare birds documentation form	Rare bird documentation form for a Northern Goshawk at Oakland Cemetery in Iowa City in Johnson County, IA on October 3, 1992.	Pinkston, Randall, 1956-	Northern Goshawk	Oakland Cemetery	Oakland Cemetery, Iowa City, Johnson Co., Iowa		The documentation form by Randall Pinkston is the only one submitted and forms the basis of this record. \| Elimination of similar species: Wings proportionately longer and narrower than either Cooper's or Sharp-shinned Hawks', distinctly broad at secondaries, narrowing at primaries. Tail too long for any Buteo, proportionately shorter than other accipiters or N. Harrier. \| The original documentation form event lasted from 10:25:00/10:25:00.	Iowa Ornithologists' Union \| MS 166	33	25
Northern Goshawk and Golden Eagle ighting details contributed by Bob Cecil, spring 1991	Field notes	Birds--Identification Ornithology Rare birds	1991-03-31	1991-04-29	Manuscript, graphic, and printed material	Field notes written by Bob Cecil detailing the sighting of a Northern Goshawk at Shimek State Forest, Croton Unit and the sighting of a Golden Eagle at Lacey-Keosauqua State Park.	Cecil, Robert I.	Northern Goshawk Golden Eagle	Lacey-Keosauqua State Park Shimek State Forest Wildlife Management Area - Croton Unit				Iowa Ornithologists' Union \| MS 166	33	25
Rare bird documentation form for Northern Goshawk at Lime Creek Nature Center, 1990	Field notes	Birds--Identification Ornithology Rare birds Wildlife conservation	1990-10-13	1990-10-15	Rare birds documentation form	Rare bird documentation form for a Northern Goshawk at Lime Creek Nature Center in Mason City in Cerro Gordo County, IA on October 13, 1990.	Pinneke, Kim	Northern Goshawk	Lime Creek Nature Center	Lime Creek Nature Center, Mason City, Iowa	Wooded edge next to pot ash and prairie field	The documentation form by Kim L. Pinneke is the only one submitted and forms the basis of this record. Other observers include Dawn Tolefree. \| Elimination of similar species: Cooper's hawk eliminated by lateral face pattern. Sharp-shinned hawk eliminated by size. Osprey eliminated by tail length in relation to primaries. \| The original documentation form event lasted from 16:30:00/16:31:00.	Iowa Ornithologists' Union \| MS 166	33	25
Rare bird documentation form for Northern Goshawk at Credit Island, 1988	Field notes	Birds--Identification Ornithology Rare birds Wildlife conservation	1988-12-18	N/A	Rare birds documentation form	Rare bird documentation form for a Northern Goshawk at Credit Island in Davenport in Scott County, IA on December 18, 1988.	Timper, Edward	Northern Goshawk	Credit Island	Credit Island. Davenport, IA	open woodland along Miss. River	The documentation form by Ed Timper is the only one submitted and forms the basis of this record. \| Elimination of similar species: Cooper's Hawk - smaller, no distinctive white eyeline. \| The original documentation form event lasted from 12:30:00/12:31:00.	Iowa Ornithologists' Union \| MS 166	33	25
Rare bird documentation form for Northern Goshawk at Lake Hendricks, 1988	Field notes	Birds--Identification Ornithology Rare birds	1988-03-13	1988-03-20	Rare birds documentation form	Rare bird documentation form for a Northern Goshawk at Lake Hendricks in Howard County, IA on March 13, 1988.	Hartogh, Mary Jo	Northern Goshawk	Lake Hendricks Park	Lake Hendricks-Howard County Conservation Park	woods, low hills, and a small lake	The documentation form by Mary Jo Hartogh is the only one submitted and forms the basis of this record. Other observers include Annjean Hartogh. \| Elimination of similar species: The Petersen guide on p. 170 gives the shape from below and we matched that of an accipiter, not a buteo, and especially not a gyrfalcon. Cooper's and sharp-shinned would be smaller and should show darker tail bands and possibly reddish striations horizontally on the upper abdomen. Also, sharpie usually looks brown-colored. \| The original documentation form event lasted from 10:30:00/10:31:00.	Iowa Ornithologists' Union \| MS 166	33	25
Rare bird documentation form for Northern Goshawk at Ames, 1986	Field notes	Birds--Identification Ornithology Rare birds	1986-11-09	N/A	Rare birds documentation form	Rare bird documentation form for a Northern Goshawk at Ames in Story County, IA on November 9, 1986.	Dinsmore, Stephen J.	Northern Goshawk	Ames	1 mile s. of Ames, Story Co.	flew across road and landed in a tree	The documentation form by Steve Dinsmore is the only one submitted and forms the basis of this record. \| Elimination of similar species: The large size (larger than a crow which landed nearby), gray underparts, and white eyebrow eliminates Cooper's and Sharp-shinned hawks. \| The original documentation form event lasted from 14:15:00/14:18:00.	Iowa Ornithologists' Union \| MS 166	33	25
Rare bird documentation form for Northern Goshawk at Saylorville Reservoir, 1986	Field notes	Birds--Identification Ornithology Rare birds	1986-11-06	1986-11-08	Rare birds documentation form	Rare bird documentation form for a Northern Goshawk at Saylorville Reservoir in Polk County, IA on November 6, 1986.	Dinsmore, Stephen J.	Northern Goshawk	Saylorville Lake	Saylorville Reservoir, Polk Co.	flying over dam	The documentation form by Steve Dinsmore is the only one submitted and forms the basis of this record. \| Elimination of similar species: The larger size, gray underparts, and white undertail coverts eliminate both Sharp-shinned and Cooper's hawks. \| The original documentation form event occurred around 14:55:00.	Iowa Ornithologists' Union \| MS 166	33	25