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 Green Castle, 1983	Field notes	Birds--Identification Ornithology Rare birds	1983-12-17	N/A	Rare birds documentation form	Rare bird documentation form for a Northern Goshawk at Green Castle in Johnson County, IA on December 17, 1983.	Bendorf, Carl J.	Northern Goshawk	Green Castle (historical)	NW Johnson Co. (just SW of Greencastle Corner)	Open field with scattered small trees, brush)	The documentation form by Carl J. Bendorf is the only one submitted and forms the basis of this record. Other observers include Lanny Haldy, Dan Ray, Randy Graesser, and all of the Amanas. \| Elimination of similar species: Cooper's Hawk eliminated by large size and light(not rusty) underparts. \| The original documentation form event lasted from 10:30:00/10:35:00.	Iowa Ornithologists' Union \| MS 166	33	25
Rare bird documentation form for Northern Goshawk at MacBride Field Campus, 1983	Field notes	Birds--Identification Ornithology Rare birds	1983-12-17	N/A	Rare birds documentation form	Rare bird documentation form for two Northern Goshawks at MacBride Field Campus in Johnson County, IA on December 17, 1983.	Newlon, Carol S.	Northern Goshawk	Macbride Nature Recreation Area	McBride [sic] Field Campus, Johnson Co., IA	mixed conifer groves + deciduous woodland	The documentation form by Carol S. Newlon is the only one submitted and forms the basis of this record. Other observers include Michael Newlon and J. Dawson Mohler. \| Elimination of similar species: Coloration eliminates all N. Am raptors except for male N Harrier + the kites - These eliminated by size, proportions, habitat, season. Huge size, grey underpants rules out other accipiters. \| The original documentation form event lasted from 14:30:00/14:45:00.	Iowa Ornithologists' Union \| MS 166	33	25
Rare bird documentation form for Northern Goshawk at Big Marsh, 1984	Field notes	Birds--Identification Ornithology Rare birds	1984-03-24	1984-03-25	Rare birds documentation form	Rare bird documentation form for a Northern Goshawk at Big Marsh in Butler County, IA on March 24, 1984.	Moore, Francis L.	Northern Goshawk	Big Marsh Wildlife Area	Big Marsh, Butler Co., IA	Open fields at edge of Marsh with rows of trees and hedges	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: Cooper's Hawk does not have a bold white superciliary line like this bird had. \| The original documentation form event lasted from 10:40:00/10:50:00.	Iowa Ornithologists' Union \| MS 166	33	25
Rare bird documentation form for Northern Goshawk at Big Creek State Park, 1984	Field notes	Birds--Identification Ornithology Rare birds	1984-03-25	1984-04-03	Rare birds documentation form	Rare bird documentation form for a Northern Goshawk at Big Creek State Park in Polk County, IA on March 25, 1984.	Proescholdt, Beth	Northern Goshawk	Big Creek State Park	Big Creek State Park, Polk County	overgrown pasture with red/cedars + honey locust next to the lake	The documentation form by Beth Proescholdt is the only one submitted and forms the basis of this record. Other observers include Mark Proescholdt. \| Elimination of similar species: nothing similar when we saw at such good advantage the gray accipiter with dark crown + white eye stripe, the fluffy undertail coverts & darker gray back \| The original documentation form event lasted from 17:00:00/17:08:00.	Iowa Ornithologists' Union \| MS 166	33	25
Rare bird documentation form for Northern Goshawk at Waterloo, 1984	Field notes	Birds--Identification Ornithology Rare birds	1984-10-03	N/A	Rare birds documentation form	Rare bird documentation form for a Northern Goshawk at Waterloo in Black Hawk County, IA on October 3, 1984.	Moore, Francis L.	Northern Goshawk	Waterloo	U.S. Highway 20 and Airport Blvd., Waterloo, Black Hawk Co., IA	Open fields and marshy land near George Wyth S.P.	The documentation form by Francis L. Moore is the only one submitted and forms the basis of this record. \| Elimination of similar species: N. Harrier glides quite a bit with a slight dihedral and has a white rump, this bird flew like an Accipiter with a flap, flap, flap sail with the glide short and no dihedral to the wings. \| The original documentation form event lasted from 17:37:00/17:40:00.	Iowa Ornithologists' Union \| MS 166	33	25
Rare bird documentation form for Northern Goshawk at Red Rock Dam, 1984	Field notes	Birds--Identification Ornithology Rare birds	1984-11-25	N/A	Rare birds documentation form	Rare bird documentation form for a Northern Goshawk at Red Rock Dam in Marion County, IA on November 25, 1984.	Sinclair, Jim	Northern Goshawk	Red Rock Dam	Tailwater area - Red Rock Dam	Deciduous bottomland	The documentation form by Jim Sinclair is the only one submitted and forms the basis of this record. Other observers include David Youngblut and Paul Felsing. \| Elimination of similar species: accipiter shape - rounded wings, long tail, strong direct flight - wing shape and tail length eliminated buteo - size was too great for Coopers. \| The original documentation form event occurred around 08:30:00.	Iowa Ornithologists' Union \| MS 166	33	25
Rare bird documentation form for Northern Goshawk at Saylorville Reservoir, 1985	Field notes	Birds--Identification Ornithology Rare birds	1985-03-10	N/A	Rare birds documentation form	Rare bird documentation form for a Northern Goshawk at Saylorville Reservoir in Polk County, IA on March 10, 1985.	Dinsmore, Stephen J.	Northern Goshawk	Saylorville Lake	Saylorville Reservoir, Polk Co.	large area of deciduous trees adjacent to reservoir	The documentation form by Steve Dinsmore is the only one submitted and forms the basis of this record. \| Elimination of similar species: Other accipiters by lack of large size, extensive white above eye on the head and lack of clear gray/white underparts. \| The original documentation form event lasted from 16:45:00/16:50:00.	Iowa Ornithologists' Union \| MS 166	33	25
Rare bird documentation form for Northern Goshawk at Big Creek, 1985	Field notes	Birds--Identification Ornithology Rare birds	1985-11-17	N/A	Rare birds documentation form	Rare bird documentation form for a Northern Goshawk at Big Creek in Polk County, IA on November 17, 1985.	Martsching, Paul	Northern Goshawk		Big Creek - Polk Co, Iowa	near marsh with small bunches of trees around & pasture-like areas.	The documentation form by Paul Martsching is the only one submitted and forms the basis of this record. Other observers include Steve Dinsmore. \| Elimination of similar species: much too big for Sharp-shinned & Coopers; Coopers doesn't have lite eye line. \| The original documentation form event lasted from 14:00:00/14:00:00 approximately.	Iowa Ornithologists' Union \| MS 166	33	25
Rare bird documentation form for Northern Goshawk at George Wyth State Park, 1985	Field notes	Birds--Identification Ornithology Rare birds	1985-11-21	N/A	Rare birds documentation form	Rare bird documentation form for a Northern Goshawk at George Wyth State Park in Black Hawk County, IA on November 21, 1985.	Moore, Francis L.	Northern Goshawk	George Wyth Memorial State Park	approx. .1 mi. E. of entrance to George Wyth State Park along U.S. 20, Black Hawk Co., IA	Open cropland near woods of George Wyth State Park	The documentation form by Francis L. Moore is the only one submitted and forms the basis of this record. \| Elimination of similar species: Cooper's Hawk is not this large and does not have as wide and bold a supercilliary line as this bird had, Cooper's also does not have long fluffy undertail coverts as this bird had. \| The original documentation form event lasted from 13:43:00/13:45:00.	Iowa Ornithologists' Union \| MS 166	33	25
Rare bird documentation form for Northern Goshawk at Mann Wilderness, 1986	Field notes	Birds--Identification Ornithology Rare birds	1986-03-01	N/A	Rare birds documentation form	Rare bird documentation form for a Northern Goshawk at Mann Wilderness in Hardin County, IA on March 1, 1986.	Proescholdt, Mark	Northern Goshawk	Mann Wilderness Area	Mann WIlderness - Iowa River Greenbelt - (Hardin Co.)	Mixed woodlands - large pine plantings and deciduous trees	The documentation form by Mark Proescholdt is the only one submitted and forms the basis of this record. Other observers include Beth Proescholdt. \| Elimination of similar species: An adult Cooper's Hawk is not as large as this bird and has reddish streaking on its breast and belly. \| The original documentation form event lasted from 16:30:00/16:31:00 approximately.	Iowa Ornithologists' Union \| MS 166	33	25
Rare bird documentation form for Northern Goshawk at Hawkeye Wildlife Area, 1986	Field notes	Birds--Identification Ornithology Rare birds	1986-03-03	N/A	Rare birds documentation form	Rare bird documentation form for a Northern Goshawk at Hawkeye Wildlife Area in Johnson County, IA on March 3, 1986.	Staudt, Thomas J.	Northern Goshawk	Hawkeye Wildlife Management Area	Hawkeye Wildlife Area	deciduous woods with open creek - scattered open fields - a goshawk has been seen in this area for the post 3-4 years	The documentation form by Thomas J. Staudt is the only one submitted and forms the basis of this record. Other observers include John Goddard. \| Elimination of similar species: The eye strip and blue-gray upperparts eliminate other accipiters. \| The original documentation form event lasted from 09:20:00/09:22:00.	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 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
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 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 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 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
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 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
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 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 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 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 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 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