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 Bald Eagle at Cass County, 1981	Field notes	Birds--Identification Ornithology Rare birds	1981-12-30	N/A	Rare birds documentation form	Rare bird documentation form for a Bald Eagle at Cass County, IA on December 30, 1981.	Hensley, R. Craig	Bald Eagle	Cass County	Farmland-Southeast corner of Cass County, Iowa	Cropland with scattered trees	The documentation form by Craig Hensley is the only one submitted and forms the basis of this record. Other observers include Dennis Sierck and Ed Ritter. \| Elimination of similar species: Only the Golden Eagle is similar, that being when the bald eagle is immature. The mature bald eagle stands alone. \| The original documentation form event lasted from 13:00:00/13:05:00.	Iowa Ornithologists' Union \| MS 166	33	21
Rare bird documentation form for Bald Eagle at Coralville Reservoir, 1992	Field notes	Birds--Identification Ornithology Rare birds	1992-05-30	N/A	Rare birds documentation form	Rare bird documentation form for two Bald Eagles at Babcock Access Rd. at Coralville Reservoir in Johnson County, IA on May 30, 1992.	Pinkston, Randall, 1956-	Bald Eagle	Coralville Lake	Coralville Reservoir from Babcock Access Rd., Johnson Co., Iowa		The documentation form by Randall Pinkston is the only one submitted and forms the basis of this record. Other observers include Bill Pinkston and Tom Kent. \| Elimination of similar species: Adult unmistakeable. Golden Eagle (Aquila chrysaetos) the only other raptor of comparable size, immature with white restricted to base of primaries and base of tail, not usually expected in aquatic habitats. \| The original documentation form event lasted from 11:10:00/11:30:00.	Iowa Ornithologists' Union \| MS 166	33	21
Rare bird documentation form for Northern Harrier at St. Lucas, 1986	Field notes	Birds--Identification Ornithology Rare birds	1986-06-01	N/A	Rare birds documentation form	Rare bird documentation form for a Northern Harrier at St. Lucas in Fayette County, IA on June 1, 1986.	Dietzenbach, Mark A.	Northern Harrier	Saint Lucas	Section 20 nw. Two miles south of St. Lucas. 80 acre wet prairie pasture, west of W14 blacktop.	Open pasture, long grass, wet boggy areas, Open fields	The documentation form by Mark A. Dietzenbach is the only one submitted and forms the basis of this record. \| Elimination of similar species: No other hawk species is pale gray and display a similar flight pattern or markings. \| The original documentation form event lasted from 10:06:00/10:10:00.	Iowa Ornithologists' Union \| MS 166	33	22
Rare bird documentation form for Northern Harrier at Brenton Slough, 1988	Field notes	Birds--Identification Ornithology Rare birds	1988-11-04	N/A	Rare birds documentation form	Rare bird documentation form for a Northern Harrier at Brenton Slough in Polk County, IA on November 4, 1988.	Sinclair, Jim	Northern Harrier	Brenton Slough	Brenton Slough		The documentation form by Jim Sinclair is the only one submitted and forms the basis of this record. \| Elimination of similar species: First impression was of a first year ring-bill gull! \| The original documentation form event lasted from 11:00:00/11:02:00.	Iowa Ornithologists' Union \| MS 166	33	22
Rare bird documentation form for Sharp-shinned Hawk at Sugar Bottom Area in Coralville Reservoir in unknown year	Field notes	Birds--Identification Ornithology Rare birds	N/A	N/A	Manuscript, graphic, and printed material	Rare bird documentation form for a Sharp-shinned Hawk at Sugar Bottom Area in Coralville Reservoir in Johnson County, IA on December 17, unknown year.	Newlon, Carol S.	Sharp-shinned Hawk	Sugar Bottom Campground				Iowa Ornithologists' Union \| MS 166	33	23
Rare bird documentation form for Sharp-shinned Hawk at Croton Unit in Shimek State Forest in 1986	Field notes	Birds--Identification Ornithology Rare birds	1986-06-06	N/A	Manuscript, graphic, and printed material	Rare bird documentation form for Sharp-shinned Hawk at Croton Unit in Shimek State Forest in Lee County, IA on June 6, 1986.	Kent, Thomas H. (Thomas Hugh), 1934- Cecil, Robert I.	Sharp-shinned Hawk	Shimek State Forest Wildlife Management Area - Croton Unit				Iowa Ornithologists' Union \| MS 166	33	23
Rare bird documentation form for Sharp-shinned Hawk at Lucas County, 1988	Field notes	Birds--Identification Ornithology Rare birds	1988-06-16	N/A	Rare birds documentation form	Rare bird documentation form for a Sharp-shinned Hawk at Lucas County, IA on June 16, 1988.	Ehresman, Bruce	Sharp-shinned Hawk	Lucas County	T-71N, R 23 W, Sec. 17 (NW Qtr)	Flying over bottomland deciduous timber 2 mi s. of Stephen's Forest	The documentation form by Bruce Ehresman is the only one submitted and forms the basis of this record. \| Elimination of similar species: Cooper's Hawk is larger and normally has rounded tail. I've never seen a Cooper's with a notched tail. \| The original documentation form event lasted from 13:10:00/13:13:00.	Iowa Ornithologists' Union \| MS 166	33	23
Rare bird documentation form for Cooper's Hawk at Rush Lake, 1980	Field notes	Birds--Identification Ornithology Rare birds	1980-05-02	1980-06-02	Rare birds documentation form	Rare bird documentation form for a Cooper's Hawk at Rush Lake in Palo Alto County, IA on May 2, 1980.	Jardine, Wallace E.	Cooper's Hawk	Rush Lake	Rush Lake, Laurens, Iowa	Woods bordering farm field + lake. Tree on slope. 30' high in a 40' tree.	The documentation form by Wallace E. Jardine is the only one submitted and forms the basis of this record. Other observers include Ray Cummins. \| Elimination of similar species: Sharp-shinned. \| The original documentation form event lasted from 07:00:00/07:05:00.	Iowa Ornithologists' Union \| MS 166	33	24
Rare bird documentation for Cooper's Hawk at Saylorville in 1985	Field notes	Birds--Identification Ornithology Rare birds	1985-06-29	1985-07-26	Manuscript, graphic, and printed material	Rare bird documentation for four Cooper's Hawks at Saylorville in Polk County, IA on June 29, July 13, and July 26, 1985.	Engebretsen, Bery	Cooper's Hawk	Saylorville				Iowa Ornithologists' Union \| MS 166	33	24
Rare bird documentation form for Cooper's Hawk at Mill Creek State Park, 1985	Field notes	Birds--Identification Ornithology Rare birds	1985-09-19	N/A	Rare birds documentation form	Rare bird documentation form for a Cooper's Hawk at Mill Creek State Park in O'Brien County, IA on September 19, 1985.	Harr, Douglas C.	Cooper's Hawk	Mill Creek State Park	Mill Creek State Park, 1 mi. w. of Paullina, O'Brien Co., IA	along edge of park woods & cornfield	The documentation form by Douglas C. Harr is the only one submitted and forms the basis of this record. \| Elimination of similar species: Sharp-shinned Hawk - smaller, slimmer, squared tail. \| The original documentation form event lasted from 11:14:00/11:16:00.	Iowa Ornithologists' Union \| MS 166	33	24
Rare bird documentation form for Cooper's Hawk at Story County, 1998	Field notes	Birds--Identification Ornithology Rare birds	1998-12-19	1998-12-21	Rare birds documentation form	Rare bird documentation form for a Cooper's Hawk at Story County, IA on December 19, 1998.	Ehresman, Bruce	Cooper's Hawk	Story County	Story Co., T-82N, R-22W, Sec 6, NW 1/4	Indian Creek, woods on west	The documentation form by Bruce Ehresman is the only one submitted and forms the basis of this record. Other observers include Liessa Thomas and Marlene Ehresman. \| Elimination of similar species: Was too large for sharp shinned hawk, did not have white rump patch of harrier. Too large to be Merlin and wing shape + flight pattern different than Merlin (this bird had rounded wings and flew in flap-flap glide pattern as it left the area). \| The original documentation form event lasted from 09:30:00/09:32:00.	Iowa Ornithologists' Union \| MS 166	33	24
Rare bird documentation form for Northern Goshawk near Coralville Dam in 1972	Field notes	Birds--Identification Ornithology Rare birds	1972-11-17	1973-02-19	Manuscript, graphic, and printed material	Rare bird documentation form for a Northern Goshawk near Coralville Dam in Johnson County, IA on November 17, 1972, January 14, 1973, and January 28, 1973.	Halmi, Nicholas S.	Northern Goshawk	Coralville Dam				Iowa Ornithologists' Union \| MS 166	33	25
Rare bird documentation form for Northern Goshawk at Oxford, 1978	Field notes	Birds--Identification Ornithology Rare birds	1978-01-22	1978-02-03	Rare birds documentation form	Rare bird documentation form for a Northern Goshawk at Oxford in Johnson County, IA on January 22, 1978.	Folk, G. Edgar	Northern Goshawk	Oxford	town of Oxford, Johnson County, Iowa	Extensive open pasture with groves of trees.	The documentation form by G. Edgar Folk, Jr. is the only one submitted and forms the basis of this record. Other observers include an unidentified person. \| Elimination of similar species: I stated above why it was not a Coopers Hawk. The only bird I could confuse it with would be the Coopers Hawk, and this specimen was far too large and too light-colored for that. \| 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 Oxford, 1978	Field notes	Birds--Identification Ornithology Rare birds	1978-12-02	N/A	Rare birds documentation form	Rare bird documentation form for a Northern Goshawk at Oxford in Johnson County, IA on December 2, 1978.	Folk, G. Edgar	Northern Goshawk	Oxford	Oxford, Iowa	corn fields, deep woods on edge.	The documentation form by G. Edgar Folk is the only one submitted and forms the basis of this record. \| Elimination of similar species: Marsh Hawk eliminated. \| 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 Oxford, 1978	Field notes	Birds--Identification Ornithology Rare birds	1978-12-09	N/A	Rare birds documentation form	Rare bird documentation form for a Northern Goshawk at Oxford in Johnson County, IA on December 9, 1978.	Folk, G. Edgar	Northern Goshawk	Oxford	Oxford, Iowa	Meadow surrounded by deep woods	The documentation form by G. Edgar Folk is the only one submitted and forms the basis of this record. \| Elimination of similar species: Marsh Hawk eliminated. \| 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 Brookside Park, 1979	Field notes	Birds--Identification Ornithology Rare birds	1979-05-09	N/A	Rare birds documentation form	Rare bird documentation form for a Northern Goshawk at Brookside Park in Ames in Story County, IA on May 9, 1979.	Webber, David	Northern Goshawk	Brookside Park	Brookside Park, Ames, Iowa	Wooded, Squaw Creek, Park Area. Park located east of ISU campus next to urban area.	The documentation form by David Franklin Webber is the only one submitted and forms the basis of this record. Other observers include three unidentified members of the ornithology lab. \| Elimination of similar species: Very descriptive species, easily told from Marsh Hawk and other Buteo type hawks. \| The original documentation form event lasted from 08:30:00/08:32:00.	Iowa Ornithologists' Union \| MS 166	33	25
Rare bird documentation form for Northern Goshawk at Sunken Grove, 1980	Field notes	Birds--Identification Ornithology Rare birds	1980-09-06	1980-11-29	Rare birds documentation form	Rare bird documentation form for two Northern Goshawks at Sunken Grove at Pocahontas County, IA on September 6, 1980.	Jardine, Wallace E.	Northern Goshawk	Sunken Grove State Game Management Area	Sunken Grove, Pocahontas County	Woods around lake, edge of woods around lake	The documentation form by Wallace Jardine is the only one submitted and forms the basis of this record. Other observers include Ron Harms. \| The original documentation form event lasted from 07:30:00/08:00:00.	Iowa Ornithologists' Union \| MS 166	33	25
Rare bird documentation form for Northern Goshawk at Red Rock Reservoir, 1981	Field notes	Birds--Identification Ornithology Rare birds	1981-02-06	N/A	Rare birds documentation form	Rare bird documentation form for a Northern Goshawk at Red Rock Reservoir in Marion County, IA on February 6, 1981.	Thornburg, Robert E.	Northern Goshawk	Lake Red Rock	Red Rock Res. - south end of Robert's Creek Park	a very open area between a bay of Red Rock and Robert's Creek Lake - grass - 6-8" high	The documentation form by Robert E. Thornburg is the only one submitted and forms the basis of this record. \| Elimination of similar species: The size and head markings eliminated Cooper's and Sharp-shinned Hawks. Female Marsh Hawk by head and lack of Rump Patch (over). Imm. Red-tailed by the heavy streaks over the entire breast, the much longer tail and head markings. \| The original documentation form event lasted from 09:30:00/09:40:00.	Iowa Ornithologists' Union \| MS 166	33	25
Rare bird documentation form for Northern Goshawk at Ames, 1981	Field notes	Birds--Identification Ornithology Rare birds	1981-11-05	1981-11-07	Rare birds documentation form	Rare bird documentation form for a Northern Goshawk at Ames in Story County, IA on Novermber 5, 1981.	Robinson, John C., 1959-	Northern Goshawk	Ames	Ames, Iowa; Story Co.,	Rows of conifer trees and conifer saplings next to an agricultural field. Found roosting in a row of Eastern Red Cedar trees.	The documentation form by John C. Robinson is the only one submitted and forms the basis of this record. Other observers include Joe Schaufenbuel. \| Elimination of similar species: Cooper's Hawk: this species is smaller and lacks a definite white eye-stripe and black eyeline; underparts are not pale gray. \| The original documentation form events occurred around 08:00:00 on November 5 and around 16:00:00 on November 7.	Iowa Ornithologists' Union \| MS 166	33	25
Rare bird documentation form for Northern Goshawk at Hickory Hill Park, 1981	Field notes	Birds--Identification Ornithology Rare birds	1981-11-15	N/A	Rare birds documentation form	Rare bird documentation form for a Northern Goshawk at Hickory Hill Park in Johnson County, IA on November 15, 1981.	Newlon, Michael C.	Northern Goshawk	Hickory Hill Park	NE corner Hickory Hill Park, Iowa City Johnson Co IA	mixture of pastures, hedgerows, second-growth weeds	The documentation form by Mike Newlon is the only one submitted and forms the basis of this record. Other observers include Thomas Kent, Thomas Staudt, and Rick Hollis. \| Elimination of similar species: Pattern: pale grey above, whites below, no white rump eliminates all other large N. Am. Hawks. \| The original documentation form event lasted from 15:30:00/16:30:00.	Iowa Ornithologists' Union \| MS 166	33	25
Rare bird documentation form for Northern Goshawk at Hickory Hill Park, 1981	Field notes	Birds--Identification Ornithology Rare birds	1981-11-16	N/A	Rare birds documentation form	Rare bird documentation form for a Northern Goshawk at Hickory Hill Park in Johnson County, IA on November 16, 1981.	Kent, Thomas H. (Thomas Hugh), 1934-	Northern Goshawk	Hickory Hill Park	Hickory Hill P., Iowa City, Johnson Co., Iowa	hilly pasture with scrub, tree rows, juniper, and woodland	The documentation form by Thomas H. Kent is the only one submitted and forms the basis of this record. Other observers include Mike Newlon, Tom Staudt, and Rick Hollis. \| Elimination of similar species: Color, eye line, size, flight eliminate other accipiters. Shape and behavior unlike other hawks. \| The original documentation form event lasted from 16:15:00/16:45:00 estimated.	Iowa Ornithologists' Union \| MS 166	33	25
Rare bird documentation form for Northern Goshawk at Hickory Hill Park, 1981	Field notes	Birds--Identification Ornithology Rare birds	1981-11-15	1981-12-03	Rare birds documentation form	Rare bird documentation form for a Northern Goshawk at Hickory Hill Park in Johnson County, IA on November 15, 1981.	Hollis, Richard Jule	Northern Goshawk	Hickory Hill Park	Hickory Hill Park, Iowa City, Johnson Co. Iowa	Brushy field w scattered large trees (esp along creeks)	The documentation form by Richard Hollis is the only one submitted and forms the basis of this record. Other observers include Tom Kent and Mike Newlon. \| Elimination of similar species: Other accipiters 1. size 2. eye stripe 3. Belly coloring. \| The original documentation form event lasted from 16:30:00/16:32:00.	Iowa Ornithologists' Union \| MS 166	33	25
Rare bird documentation form for Northern Goshawk at Seven Bridges Park, 1981	Field notes	Birds--Identification Ornithology Rare birds	1981-11-21	N/A	Rare birds documentation form	Rare bird documentation form for a Northern Goshawk at Seven Bridges Park in Bremer County, IA on November 21, 1981.	Myers, Robert K.	Northern Goshawk	Seven Bridges County Park	Seven Bridges Park - Bremer County	Wooded river bottom timber along Wapsipinicon Riv. Tree where hawk was sitting is tallest in area- the park has several openings in the timber all visible from this perch	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: Coopers is only species I can see any trouble with but size and color and broad white eye stripe make the choice easy. \| The original documentation form event lasted from 09:45:00/09:50:00.	Iowa Ornithologists' Union \| MS 166	33	25
Rare bird documentation form for Northern Goshawk at Seven Bridges County Park in 1981	Field notes	Birds--Identification Ornithology Rare birds	1981-11-21	1981-11-26	Manuscript, graphic, and printed material	Rare bird documentation form for a Northern Goshawk at Seven Bridges County Park in Bremer County, IA on November 21, 1981.	Moore, Francis L.	Northern Goshawk	Seven Bridges County Park				Iowa Ornithologists' Union \| MS 166	33	25
Rare bird documentation form for Northern Goshawk at Big Creek State Park, 1981	Field notes	Birds--Identification Ornithology Rare birds	1981-11-21	1981-11-23	Rare birds documentation form	Rare bird documentation form for a Northern Goshawk at Big Creek State Park in Polk County, IA on November 21, 1981.	Zaletel, Hank	Northern Goshawk	Big Creek State Park	NW end of Big Creek State Park, Polk County	Lake edge overgrown pasture	The documentation form by Hank Zaletel is the only one submitted and forms the basis of this record. Other observers include John Robinson and Joe Schaufenbuel. \| Elimination of similar species: Cooper's Hawk eliminated because of size, this bird was much larger. \| The original documentation form event occurred for ten minutes between 09:00:00/10:00:00.	Iowa Ornithologists' Union \| MS 166	33	25