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 Sweet Marsh, 1984	Field notes	Birds--Identification Ornithology--Societies, etc Rare birds	1984-01-22	N/A	Rare birds documentation form	Rare bird documentation form for a Northern Goshawk at Sweet Marsh in Bremer County, IA on January 22, 1984.	Moore, Francis L.	Northern Goshawk	Sweet Marsh	3 mi. S. of Sweet Marsh, Bremer Co.	Open field edge 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: Cooper's Hawk does not have wide, bold, white eyestripe or fluffy undertail coverts. Sharp-shinned Hawk is a lot smaller than this bird was. \| The original documentation form event lasted from 08:30:00/08:35:00.	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 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 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 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 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
Note by Ruth Phipps detailing Northern Goshawk sighting, May 6, 1984	Field notes	Birds--Identification Rare birds	1984-05-06	N/A	Manuscript, graphic, and printed material	Note written by Ruth Phipps detailing the sighting of a Northern Goshawk at Snug Harbor in Marion County, IA, on May 6, 1984, by herself and Ed and Virginia Crocker.	Phipps, Ruth O.	Northern Goshawk	Marion County				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 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 Red Rock Reservoir, 1984	Field notes	Birds--Identification Ornithology--Societies, etc Rare birds	1984-03-18	1984-03-22	Rare birds documentation form	Rare bird documentation form for a Northern Goshawk at Red Rock Reservoir in Marion County, IA on March 18, 1984.	Thompson, Dennis	Northern Goshawk	Lake Red Rock	North edge of Red Rock Res. Marion County	Pinegrove of 4 or 5 acres on north side of Red Rock Res. Thick grove of pines 30-40 ft. tall.	The documentation form by Dennis Thompson is the only one submitted and forms the basis of this record. \| Elimination of similar species: Much larger than Cooper's or Sharp-shinned. Silver-gray coloration eliminated buteos. \| 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 Sweet Marsh, 1984	Field notes	Birds--Identification Ornithology--Societies, etc Rare birds	1984-02-15	1984-02-16	Rare birds documentation form	Rare bird documentation form for a Northern Goshawk at Sweet Marsh in Bremer County, IA on February 15, 1984.	Proescholdt, Beth	Northern Goshawk	Sweet Marsh	northeast Bremer Co, road just east of Sweet Marsh	from trees along marsh, over farmland	The documentation form by Beth Proescholdt is the only one submitted and forms the basis of this record. Other observers include Mark Proescholdt and Bob Myers. \| Elimination of similar species: Cooper's Hawk - too large for that; other hawk (buteos or harrier) - not that because of accipiter shape + flight. \| The original documentation form event lasted from 13:08:00/13:12:00.	Iowa Ornithologists' Union \| MS 166	33	25
Rare bird documentation form for Northern Goshawk at Elkhart, 1984	Field notes	Birds--Identification Ornithology--Societies, etc Rare birds	1984-01-29	N/A	Rare birds documentation form	Rare bird documentation form for a Northern Goshawk at Elkhart in Polk County, IA on January 29, 1984.	Mosman, Dean	Northern Goshawk	Elkhart	2 M.E. of Elkhart, IA	Timber Area	The documentation form by Darwin (Dean) Mosman is the only one submitted and forms the basis of this record. Other observers include Diane Mosman and Mike Mosman. \| Elimination of similar species: Cooper's is too small also no eye line. No barring on breast of Goshawk. \| The original documentation form event lasted from 10:20:00/10:30:00.	Iowa Ornithologists' Union \| MS 166	33	25
Rare bird documentation form for Northern Goshawk at Big Marsh, 1984	Field notes	Birds--Identification Ornithology--Societies, etc Rare birds	1984-01-28	1984-01-29	Rare birds documentation form	Rare bird documentation form for a Northern Goshawk at Big Marsh in Butler County, IA on January 28, 1984.	Moore, Francis L.	Northern Goshawk	Big Marsh Wildlife Area	N.W. side of Big Marsh, Butler Co.	Open marsh with some tree and shrub wildlife plantings	The documentation form by Francis L. Moore is the only one submitted and forms the basis of this record. Other observers include Bob Myers and Dan Perkins. \| Elimination of similar species: Cooper's Hawk does not have white eyestripe or long fluffy undertail coverts. \| The original documentation form event lasted from 09:15:00/09:18:00.	Iowa Ornithologists' Union \| MS 166	33	25
Rare bird documentation form for Northern Goshawk at Sweet Marsh in 1983	Field notes	Birds--Identification Ornithology Rare birds	1983-04-16	1983-04-23	Manuscript, graphic, and printed material	Rare bird documentation form for a Northern Goshawk at Sweet Marsh in Bremer County, IA on April 16, 1983.	Myers, Robert K.	Northern Goshawk	Sweet Marsh				Iowa Ornithologists' Union \| MS 166	33	25
Rare bird documentation form for Northern Goshawk at Cherokee, 1984	Field notes	Birds--Identification Ornithology--Societies, etc Rare birds	1984-01-15	N/A	Rare birds documentation form	Rare bird documentation form for a Northern Goshawk at Cherokee in Cherokee County, IA on January 15, 1984.	Bierman, Dick	Northern Goshawk	Cherokee	3 miles northwest of the town of Cherokee	Red Cedar and oak timber	The documentation form by Dick Bierman is the only one submitted and forms the basis of this record. \| Elimination of similar species: Coopers and Sharpshinned hawks, this was an adult bird and it did not have the rust colored barring on the chest that they do. Falcons have narrow pointed wings. Male Northern Harriers are lighter and have a white rump patch. \| The original documentation form event lasted from 14:45:00/14:47:00.	Iowa Ornithologists' Union \| MS 166	33	25
Rare bird documentation form for Northern Goshawk at MacBride Field Campus, 1984	Field notes	Birds--Identification Ornithology--Societies, etc Rare birds	1984-01-06	1984-01-08	Rare birds documentation form	Rare bird documentation form for a Northern Goshawk at MacBride Field Campus in Johnson County, IA on January 6, 1984.	Staudt, Thomas J.	Northern Goshawk	Macbride Nature Recreation Area	Macbride Field Campus Johnson Co.	mixed conifer and deciduous forest. hilly with open areas	The documentation form by Thomas J. Staudt is the only one submitted and forms the basis of this record. Other observers include Carol Newlon and a Christmas Bird Count group. \| Elimination of similar species: large size and eyebrow strip eliminate other accipiters. Buteo's are generally browner, shorter tail, and also lack an eyebrow strip. Osprey is also browner and has more extensive white on the head. Osprey also would have noticeably long wings. \| The original documentation form event lasted from 09:10:00/09:15:00.	Iowa Ornithologists' Union \| MS 166	33	25
Rare bird documentation form for Northern Goshawk at Lake Rathbun, 1983	Field notes	Birds--Identification Ornithology--Societies, etc Rare birds	1983-12-19	1984-01-07	Rare birds documentation form	Rare bird documentation form for a Northern Goshawk at Lake Rathbun in Lucas County, IA on December 19, 1983.	Brown, Mike	Northern Goshawk	Rathbun Lake	Lucas Co., Iowa approx. 3.5 miles southeast of Russell, Lake Rathbun area	upland mixture of corn stubble, woodland and planted prairie grasses	The documentation form by Mike Brown is the only one submitted and forms the basis of this record. Other observers include Brian Winter and Bill Rybarczyk. \| Elimination of similar species: Larger and grayer undersides than other Accipiters. Shorter wings, no rump patch, and different flight pattern than N. Harrier. Wings not pointed like a falcon's. \| The original documentation form event lasted from 15:30:00/15:31:00.	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 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 Kent Park, 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 Kent Park in Johnson County, IA on December 17, 1983.	Bendorf, Carl J.	Northern Goshawk	F W Kent County Park	Kent Park, Johnson Co. (NW side of park)	Extensive conifers, weedy clearings, scattered trees.	The documentation form by Carl Bendorf is the only one submitted and forms the basis of this record. Other observers include Dan Ray. \| Elimination of similar species: Size (large as Great Horned Owl) eliminates Cooper's Hawk. \| The original documentation form event occurring around 14:30:00.	Iowa Ornithologists' Union \| MS 166	33	25
Rare bird documentation form for Northern Goshawk at Hastings, 1983	Field notes	Birds--Identification Ornithology Rare birds	1983-11-26	1983-11-29	Rare birds documentation form	Rare bird documentation form for a Northern Goshawk at the John Wilson farm in Hastings in Mills County, IA on November 26, 1983.	Wilson, Barbara L.	Northern Goshawk	Hastings	John Wilson farm, NE Mills County, Ia.		The documentation form by Barbara L. Wilson is the only one submitted and forms the basis of this record. \| Elimination of similar species: Tail too long + flight too quick + direct for a Red-tail. Wings rounded - not a falcon. Young accipiter (+ many buteos) would be streaked below. Adult accipiters of other kinds would be barred below, but reddish or brown, not gravy. Marsh Hawk would fly with a more leisurely pace + have longer wings. As I saw it, identifications went clicking through my brains one after another. Red tail? No.. Marsh Hawk! - No ... Coopers Hawk! Yes - no - its gray! I certainly did not expect a Goshawk.	Iowa Ornithologists' Union \| MS 166	33	25
Rare bird documentation form for Northern Goshawk at Hartman Reserve, 1983	Field notes	Birds--Identification Ornithology Rare birds	1983-11-26	1983-11-29	Rare birds documentation form	Rare bird documentation form for a Northern Goshawk at Hartman Reserve in Black Hawk County, IA on November 26, 1983.	Staudt, Thomas J.	Northern Goshawk	Hartman Reserve Nature Center	Hartman Reserve Waterloo - Cedar Falls	deciduous wood: mixed mature and second story trees with a few conifers. Open grassy fields near by.	The documentation form by Tom Staudt is the only one submitted and forms the basis of this record. \| Elimination of similar species: Falcons have long pointed wings. Other accipiters are smaller, don't have the white eye line. \| The original documentation form event occurred around 15:00:00.	Iowa Ornithologists' Union \| MS 166	33	25
Rare bird documentation form for Northern Goshawk at Big Rock Park in Pella, 1983	Field notes	Birds--Identification Ornithology Rare birds	1983-11-26	1983-12-01	Rare birds documentation form	Rare bird documentation form for a Northern Goshawk at Big Rock Park in Pella in Marion County, IA on November 26, 1983.	Brand, Gordon James	Northern Goshawk	Big Rock City Park	Big Rock Park, Pella, Iowa	80 acre timber tract but near Red Rock Reservoir.	The documentation form by Gordon Brand is the only one submitted and forms the basis of this record. Other observers include Raymond Brand. \| Elimination of similar species: Coopers Hawk. This Hawk had no horizontal barring on the belly. It was larger and had very pronounced dark eyepatch. \| The original documentation form event lasted from 10:00:00/10:02:00.	Iowa Ornithologists' Union \| MS 166	33	25
Rare bird documentation form for Northern Goshawk at Sweet Marsh, 1983	Field notes	Birds--Identification Ornithology Rare birds	1983-11-11	1983-11-25	Rare birds documentation form	Rare bird documentation form for a Northern Goshawk at Sweet Marsh in Bremer County, IA on November 11, 1983.	Myers, Robert K.	Northern Goshawk	Sweet Marsh	Sweet Marsh - Bremer Co.	Evergreen Grove	The documentation form by Robert K. Myers is the only one submitted and forms the basis of this record. \| Elimination of similar species: Imm. Cooper's. \| The original documentation form event lasted from 09:30:00/09:31:00.	Iowa Ornithologists' Union \| MS 166	33	25
Rare bird documentation form for Northern Goshawk at Madison County, 1983	Field notes	Birds--Identification Ornithology Rare birds	1983-10-31	1983-11-01	Rare birds documentation form	Rare bird documentation form for a Northern Goshawk at Madison County, IA on October 31, 1983.	Armstrong, Eugene	Northern Goshawk	Madison County	N.E. Madison County	Brushy fence row Open farmland	The documentation form by Eugene Armstrong is the only one submitted and forms the basis of this record. Other observers include Eloise Armstrong. \| Elimination of similar species: Cooper's - Large than a Cooper's Grey bellied. \| The original documentation form event occurred around 14:00:00.	Iowa Ornithologists' Union \| MS 166	33	25