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

Notes on N. Goshawk observations - fall 1982	Field notes	Birds--Identification Ornithology Rare birds	1982-10-31	1982-11-22	Manuscript, graphic, and printed material	Field notes written by Carl J. Bendorf detailing three Northern Goshawk sightings in eastern Iowa.	Bendorf, Carl J.	Northern Goshawk	East Amana Green Castle (historical) Tirrill Park				Iowa Ornithologists' Union \| MS 166	33	25
Rare bird documentation form for Northern Goshawk at Sandy Beach in Johnson County, 1982	Field notes	Birds--Identification Ornithology Rare birds	1982-12-18	N/A	Rare birds documentation form	Rare bird documentation form for a Northern Goshawk at Sandy Beach in Johnson County, IA on December 18, 1982.	Staudt, Thomas J.	Northern Goshawk	Sandy Beach Public Use Area	Northeast Johnson County near Sandy Beach	Deciduous wood open rolling fields	The documentation form by Tom Staudt is the only one submitted and forms the basis of this record. Other observers include Jim Sandrock and John Cordell. \| Elimination of similar species: White eye strip and size eliminate other accipiters. Falcons eliminated by short rounded, almost oval wing shape. \| The original documentation form event occurred around 11:55:00.	Iowa Ornithologists' Union \| MS 166	33	25
Rare bird documentation form for Northern Goshawk at North Liberty, 1982	Field notes	Birds--Identification Ornithology Rare birds	1982-12-18	1982-12-20	Rare birds documentation form	Rare bird documentation form for a Northern Goshawk at North Liberty in Johnson County, IA on December 18, 1982.	Kent, Thomas H. (Thomas Hugh), 1934-	Northern Goshawk	North Liberty	3 mi. N of North Liberty, Johnson Co. Iowa - near Girl Scout Camp	Wooded edge to hilly fields and low brushy areas.	The documentation form by Thomas H. Kent is the only one submitted and forms the basis of this record. Other observers include Carol Thompson, Bob Lechner, and Dick Tetrault. \| Elimination of similar species: Accipiter shape, large size, and color with black primaries eliminate other species. Had a better look at one in the same area in November. \| The original documentation form event lasted from 13:30:00/13:30:00.	Iowa Ornithologists' Union \| MS 166	33	25
Rare bird documentation form for Northern Goshawk at Fremont Township in Bremer County, 1982	Field notes	Birds--Identification Ornithology Rare birds	1982-12-18	N/A	Rare birds documentation form	Rare bird documentation form for a Northern Goshawk at Fremont Township in Bremer County, IA on December 18, 1982.	Moore, Francis L.	Northern Goshawk		SE Section 2, Fremont Township, Bremer County, Iowa	Second growth deciduous floodplain 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 Peter Lowther, Lowell Jons, and Mark Muller. \| Elimination of similar species: This was a very light breasted bird with no reddish showing on its breast. Bird was large, almost as large as Red-tailed Hawk with pale gray on breast and dark gray above. Bird also had large white strip above the eye, eliminating all other species. \| The original documentation form event occurred around 14:15:00.	Iowa Ornithologists' Union \| MS 166	33	25
Rare bird documentation form for Northern Goshawk west of Corydon, 1982	Field notes	Birds--Identification Ornithology Rare birds	1982-11-27	N/A	Rare birds documentation form	Rare bird documentation form for a Northern Goshawk at the Wendell Tuttle Farm west of Corydon in Wayne County, IA on November 27, 1982.	Moore, Francis L.	Northern Goshawk	Corydon	Wendell Tuttle Farm 2 mi West of Corydon, Wayne County, Iowa	Brushy creek surrounded by Corn and Soybean fields	The documentation form by Francis L. Moore is the only one submitted and forms the basis of this record. \| Elimination of similar species: Coopers Hawk does not have a white eye strip or white fluffy white under tail coverts. Coopers also has a reddish banding to the breast in the adult plumage and is browner above not gray. \| The original documentation form event lasted from 11:10:00/11:13:00.	Iowa Ornithologists' Union \| MS 166	33	25
Rare bird documentation form for Northern Goshawk at Allamakee County, 1982	Field notes	Birds--Identification Ornithology Rare birds	1982-11-21	1982-11-23	Rare birds documentation form	Rare bird documentation form for a Northern Goshawk at Allamakee County, IA on November 21, 1982.	Moore, Francis L.	Northern Goshawk	Allamakee County	N.E. Allamakee County, Iowa	Forested Ridges and bluffs along and to west of upper Mississippi River in Iowa	The documentation form by Francis L. Moore is the only one submitted and forms the basis of this record. Other observers include John Robinson. \| Elimination of similar species: Coopers Hawk would appear more brown on the back and wings with a brownish tinge to the belly. Cooper's Hawk does not have the fluffy white undertail coverts or the white eye stripe as seen on this bird. \| The original documentation form event occurred around 10:00:00/10:01:00.	Iowa Ornithologists' Union \| MS 166	33	25
Rare bird documentation form for Northern Goshawk at Hanover Township in Allamakee County, 1982	Field notes	Birds--Identification Ornithology Rare birds	1982-11-21	1982-11-22	Rare birds documentation form	Rare bird documentation form for a Northern Goshawk at Hanover Township in Allamakee County, IA on November 21, 1982.	Robinson, John C., 1959-	Northern Goshawk	Hanover Township	Iowa; Allamakee County, Hanover Twsp., Sect. 8	Steep flood plain bluffs with mixed (cedar and deciduous) forest vegetation	The documentation form by John C. Robinson is the only one submitted and forms the basis of this record. Other observers include Carol Newlon and Hank Zaletel. \| Elimination of similar species: Cooper's Hawk: Although size overlap is possible, this species lacks the blue-gray underparts and bold facial patterns mentioned above. \| The original documentation form event lasted from 08:45:00/08:46:00.	Iowa Ornithologists' Union \| MS 166	33	25
Rare bird documentation form for Northern Goshawk at Yellow River Forest, 1982	Field notes	Birds--Identification Ornithology Rare birds	1982-11-21	N/A	Rare birds documentation form	Rare bird documentation form for a Northern Goshawk at Yellow River Forest at Allamakee County, IA on November 21, 1982.	Schaufenbuel, Joseph P.	Northern Goshawk	Yellow River State Forest	Yellow River Forest (Headquarters), Allamakee Co., Iowa	Mostly mature Maple/Basswood, with some farmland.	The documentation form by Joseph P. Schaufenbuel is the only one submitted and forms the basis of this record. Other observers include W. Ross Silcock and Barb WIlson. \| Elimination of similar species: Buteos: rather long tail, short wings. Uniform gray underparts. Cooper's Hawk: Too large, gray, and flapped too slowly. \| The original documentation form event lasted from 13:30:00/13:35:00.	Iowa Ornithologists' Union \| MS 166	33	25
Rare bird documentation form for Northern Goshawk at Hickory Hill Park, 1982	Field notes	Birds--Identification Ornithology Rare birds	1982-11-16	1982-11-28	Rare birds documentation form	Rare bird documentation form for a Northern Goshawk at Hickory Hill Park in Johnson County, IA on November 16, 1982.	Staudt, Thomas J.	Northern Goshawk	Hickory Hill Park	Hickory Hill Park Iowa City	Deciduous valley boom thin strands of conifers	The documentation form by Thomas J. Staudt is the only one submitted and forms the basis of this record. Other observers include John Cordell. \| Elimination of similar species: Strong head markings eliminate other accipiters. \| The original documentation form event lasted from 08:45:00/08:55:00.	Iowa Ornithologists' Union \| MS 166	33	25
Rare bird documentation form for Northern Goshawk at Sweet Marsh, 1982	Field notes	Birds--Identification Ornithology Rare birds	1982-11-14	N/A	Rare birds documentation form	Rare bird documentation form for a Northern Goshawk at Sweet Marsh in Bremer County, IA on November 14, 1982.	Moore, Francis L.	Northern Goshawk	Sweet Marsh	Sweet Marsh near Tripoli, Bremer Co., Iowa	White pine planting on North side of Marsh, SW of rangers residence	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: Coopers Hawk does not have a white stripe above its eye and I have never seen a Coopers with fluffy undertail coverts. Red-tailed Hawk does not have the coloration this hawk had. \| The original documentation form event lasted from 16:40:00/16:45:00.	Iowa Ornithologists' Union \| MS 166	33	25
Rare bird documentation form for Northern Goshawk at Sweet Marsh in 1982	Field notes	Birds--Identification Ornithology Rare birds	1982-11-14	1982-11-21	Manuscript, graphic, and printed material	Rare bird documentation form for a Northern Goshawk at Sweet Marsh in Bremer County, IA on November 14, 1982.	Myers, Robert K.	Northern Goshawk	Sweet Marsh				Iowa Ornithologists' Union \| MS 166	33	25
Rare bird documentation form for Northern Goshawk at East River Valley Park, 1982	Field notes	Birds--Identification Ornithology Rare birds	1982-11-03	N/A	Rare birds documentation form	Rare bird documentation form for a Northern Goshawk at East River Valley Park at Ames in Story County, IA on November 3, 1982.	Bennett, Richard S.	Northern Goshawk	River Valley Park	East River Valley Park, Ames, Iowa	Floodplain woodlot next to skunk river	The documentation form by Richard S. Bennett is the only one submitted and forms the basis of this record. \| Elimination of similar species: Only other bird that size with a dark eye band would be an osprey, but the hawk was not that large + the back was definitely a blue-gray color. Also, wrong habitat. \| The original documentation form event occurred around 08:20:00 .	Iowa Ornithologists' Union \| MS 166	33	25
Rare bird documentation form for Northern Goshawk at Saylorville Reservoir Dam, 1982	Field notes	Birds--Identification Ornithology Rare birds	1982-10-29	1982-10-31	Rare birds documentation form	Rare bird documentation form for two Northern Goshawks at Saylorville Reservoir Dam in Polk County, IA on October 29, 1982.	Schaufenbuel, Joseph P.	Northern Goshawk	Saylorville Dam	East side of Saylorville Reservoir Dam, Polk Co., Iowa	Hickory - Oak Hillside, along Reservoir	The documentation form by Joseph P. Schaufenbuel is the only one submitted and forms the basis of this record. \| Elimination of similar species: Buteo shape and flight different. Cooper's Hawk would be smaller, with a more rapid wing beat and have rusting or streaked underparts. \| The original documentation form event occurred at two different times first 11:00:00 and second 13:30:00.	Iowa Ornithologists' Union \| MS 166	33	25
Rare bird documentation form for Northern Goshawk at Lakin's Slough, 1981	Field notes	Birds--Identification Ornithology Rare birds	1981-12-23	1981-12-24	Rare birds documentation form	Rare bird documentation form for a Northern Goshawk at Lakin's Slough at Guthrie County, IA on December 23, 1981.	Cummins, Raymond L.	Northern Goshawk	Lakin Slough State Game Management Area	1 mile north + 1/2 mile east of the north end of Lakin's Slough	Marsh	The documentation form by Raymond L. Cummins is the only one submitted and forms the basis of this record. Other observers include Dennis Henrickson. \| Elimination of similar species: The eyebrow strip and grayish white under sided eliminates other accipiters. Behavior - lack of white rump patch - heavy body eliminate male Harrier. Short none pointed wing and lack of facial mark eliminate Peregrine Falcon + gray phase Gyrfalcon properly did not claim a positive ID. \| 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 Green Castle Corner in Johnson County, 1982	Field notes	Birds--Identification Ornithology Rare birds	1982-10-31	N/A	Rare birds documentation form	Rare bird documentation form for two Northern Goshawks at Green Castle Corner in Johnson County, IA on October 31, 1982.	Kent, Thomas H. (Thomas Hugh), 1934-	Northern Goshawk	Green Castle (historical)	1 1/2 mi w. Green castle corner, NW Johnson Co., IA	mixed open (wet) fields and wooded edge	The documentation form by Thomas H. Kent is the only one submitted and forms the basis of this record. Other observers include Carl Bendorf. \| Elimination of similar species: Size and eye stripe exclude Coopers, shape and marking exclude Red-tail, Harrier + other buteos. \| The original documentation form event lasted from 08:30:00/08:40:00.	Iowa Ornithologists' Union \| MS 166	33	25
Rare bird report for Northern Goshawk on the Rock River between Doon and Rock Valley in 1982	Field notes	Birds--Identification Ornithology Rare birds	1982-10-16	N/A	Manuscript, graphic, and printed material	Rare bird report for a Northern Goshawk on the Rock River between Doon and Rock Valley in Lyon County, IA on October 16, 1982.	Brand, Gordon James	Northern Goshawk	Rock Valley Doon				Iowa Ornithologists' Union \| MS 166	33	25
Rare bird documentation form for Northern Goshawk at Saint Ansgar in 1982	Field notes	Birds--Identification Ornithology Photography of birds Rare birds Wildlife conservation Wildlife rehabilitation	1982-09-22	1982-10-01	Manuscript, graphic, and printed material	Rare bird documentation form for a Northern Goshawk at Saint Ansgar in Mitchell County, IA on September 22, 1982. There is an attached note from James Hansen to Thomas Kent dated October 1, 1982 regarding a photography of the bird.	Hansen, James L.	Northern Goshawk	Saint Ansgar				Iowa Ornithologists' Union \| MS 166	33	25
Rare bird documentation form for Northern Goshawk at Sweet Marsh, 1982	Field notes	Birds--Identification Ornithology Rare birds	1982-04-10	1982-04-11	Rare birds documentation form	Rare bird documentation form for a Northern Goshawk at Sweet Marsh in Bremer County, IA on April 10, 1982.	Moore, Francis L.	Northern Goshawk	Sweet Marsh	Sweet Marsh, Bremer Co.	Marsh (at South side of the marsh)	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 appear as large or does not appear to have as long a tail as this bird did. Cooper's Hawks does not have the white fluffy undertail coverts, either. \| The original documentation form event occurred around 8:15:00.	Iowa Ornithologists' Union \| MS 166	33	25
Rare bird documentation form for Northern Goshawk at Sweet Marsh, 1982	Field notes	Birds--Identification Ornithology Rare birds	1982-04-10	1982-04-17	Rare birds documentation form	Rare bird documentation form for a Northern Goshawk at Sweet Marsh in Bremer County, IA on April 10, 1982.	Myers, Robert K.	Northern Goshawk	Sweet Marsh	Sweet Marsh - Bremer County	Edge of timber bordering the marsh	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 Russell Hays. \| Elimination of similar species: Cooper's Hawk was eliminated by color - bird was dark blue-gray above and clear light gray, not streaked or reddish, below. Bird also had broad eye stripe. \| The original documentation form event lasted from 09:00:00/09:05:00.	Iowa Ornithologists' Union \| MS 166	33	25
Rare bird documentation form for Northern Goshawk at Ledges State Park, 1982	Field notes	Birds--Identification Ornithology Rare birds	1982-02-25	N/A	Rare birds documentation form	Rare bird documentation form for a Northern Goshawk at Ledges State Park in Boone County, IA on February 25, 1982.	Newhouse, David A.	Northern Goshawk	Ledges State Park	East entrance to Ledges State Park; Worth Twp., Boone Co.	Edge of oak-hickory forest, upland	The documentation form by Dave Newhouse is the only one submitted and forms the basis of this record. Other observers include Tom Putnam. \| Elimination of similar species: Wrong habitat and shape for osprey. Much larger than Cooper's. Red eye plainly visible. \| The original documentation form event lasted from 15:00:00/15:25:00.	Iowa Ornithologists' Union \| MS 166	33	25
Rare bird documentation form for Northern Goshawk at Big Creek State Park, 1982	Field notes	Birds--Identification Ornithology Rare birds	1982-02-15	N/A	Rare birds documentation form	Rare bird documentation form for a Northern Goshawk at Big Creek State Park in Polk County, IA on February 15, 1982.	Zaletel, Hank	Northern Goshawk	Big Creek State Park	Highway 415 North of Polk City at NW 100 ST Big Creek State Park	State park, open grassland, trees on edge - flew to wooded edge	The documentation form by Hank Zaletel is the only one submitted and forms the basis of this record. Other observers include Paul Martsching. \| Elimination of similar species: Northern Harrier - no white rump patch + this bird had white eye brow line. Coopers Hawk - vertical streaks more widely spaced than coopers horizontal streaks - underside appeared white in flight. This bird had white eye brow line and was much larger in size. \| The original documentation form event occurred around 14:30:00.	Iowa Ornithologists' Union \| MS 166	33	25
Rare bird documentation form for Northern Goshawk at Big Creek, 1982	Field notes	Birds--Identification Ornithology Rare birds	1982-02-15	1982-03-01	Rare birds documentation form	Rare bird documentation form for a Northern Goshawk at Big Creek in Polk County, IA on February 15, 1982.	Martsching, Paul	Northern Goshawk	Big Creek State Park	Big Creek, Polk Co., Iowa	fields and patches of forest.	The documentation form by Paul Martsching is the only one submitted and forms the basis of this record. Other observers include Hank Zaletel. \| Elimination of similar species: When first saw it thought of Marsh Hawk. Did not have prominent white rump of Marsh Hawk. Marsh Hawk doesn't have the wide white eye brow stripe on very dark head. Wings wider than on Marsh Hawk. Much larger than other accipiters. Other accipiters don't have wide white eye brow stripe. \| The original documentation form event occurred in the afternoon for about twenty minutes.	Iowa Ornithologists' Union \| MS 166	33	25
Rare bird documentation form for Northern Goshawk at Sioux Township, 1982	Field notes	Birds--Identification Ornithology Rare birds	1982-02-13	N/A	Rare birds documentation form	Rare bird documentation form for two Northern Goshawks at Sioux Township in Plymouth County, IA on February 13, 1982.	Farmer, Larry K.	Northern Goshawk	Sioux Township	Sec. 16, Sioux Township, Plymouth County	small trees, brush windbreak & weedy field, best pheasant habitat in Iowa	The documentation form by Larry K. Farmer is the only one submitted and forms the basis of this record. \| Elimination of similar species: Much larger than coopers which frequently harasses feeder birds. \| The original documentation form event lasted from 07:00:00/07:30:00.	Iowa Ornithologists' Union \| MS 166	33	25
Rare bird documentation form for Northern Goshawk at Ulrich Park, 1981	Field notes	Birds--Identification Ornithology Rare birds	1981-12-25	N/A	Rare birds documentation form	Rare bird documentation form for a Northern Goshawk at Ulrich Park in Black Hawk County, IA on December 25, 1981.	Moore, Francis L.	Northern Goshawk	Ulrich Park	In a large hardwood at the edge of the Cedar River in Ulrich Park, Black Hawk Co.	edge of Cedar River in mixed hardwood forest	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 show a white eye stripe or loosely held undertail coverts that this bird displayed. Cooper's also would not appear this large.	Iowa Ornithologists' Union \| MS 166	33	25
Northern Goshawk sighting details contributed by Robert Walton, 1981	Field notes	Birds--Identification Ornithology Rare birds	1981-12-26	N/A	Manuscript, graphic, and printed material	Field notes written by Robert Walton detailing the sighting of a Northern Goshawk at Swiss Valley Nature Preserve in Dubuque County, IA on December 26, 1981. The bird was also seen between December 22 and 24, 1981.	Walton, Robert	Northern Goshawk	Swiss Valley Nature Center				Iowa Ornithologists' Union \| MS 166	33	25