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Rare bird documentation form for Cooper's Hawk at Story County, 1998
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Field notes
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Birds--Identification Ornithology Rare birds
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1998-12-19
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1998-12-21
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Rare birds documentation form
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Rare bird documentation form for a Cooper's Hawk at Story County, IA on December 19, 1998.
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Ehresman, Bruce
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Cooper's Hawk
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Story County
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Story Co., T-82N, R-22W, Sec 6, NW 1/4
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Indian Creek, woods on west
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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.
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Rare bird documentation form for Northern Goshawk near Coralville Dam in 1972
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Field notes
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Birds--Identification Ornithology Rare birds
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1972-11-17
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1973-02-19
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Manuscript, graphic, and printed material
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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.
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Halmi, Nicholas S.
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Northern Goshawk
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Coralville Dam
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|
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Rare bird documentation form for Northern Goshawk at Oxford, 1978
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Field notes
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Birds--Identification Ornithology Rare birds
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1978-01-22
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1978-02-03
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Rare birds documentation form
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Rare bird documentation form for a Northern Goshawk at Oxford in Johnson County, IA on January 22, 1978.
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Folk, G. Edgar
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Northern Goshawk
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Oxford
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town of Oxford, Johnson County, Iowa
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Extensive open pasture with groves of trees.
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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.
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Rare bird documentation form for Northern Goshawk at Oxford, 1978
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Field notes
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Birds--Identification Ornithology Rare birds
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1978-12-02
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N/A
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Rare birds documentation form
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Rare bird documentation form for a Northern Goshawk at Oxford in Johnson County, IA on December 2, 1978.
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Folk, G. Edgar
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Northern Goshawk
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Oxford
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Oxford, Iowa
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corn fields, deep woods on edge.
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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.
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Rare bird documentation form for Northern Goshawk at Oxford, 1978
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Field notes
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Birds--Identification Ornithology Rare birds
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1978-12-09
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N/A
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Rare birds documentation form
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Rare bird documentation form for a Northern Goshawk at Oxford in Johnson County, IA on December 9, 1978.
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Folk, G. Edgar
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Northern Goshawk
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Oxford
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Oxford, Iowa
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Meadow surrounded by deep woods
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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.
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Rare bird documentation form for Northern Goshawk at Brookside Park, 1979
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Field notes
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Birds--Identification Ornithology Rare birds
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1979-05-09
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N/A
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Rare birds documentation form
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Rare bird documentation form for a Northern Goshawk at Brookside Park in Ames in Story County, IA on May 9, 1979.
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Webber, David
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Northern Goshawk
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Brookside Park
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Brookside Park, Ames, Iowa
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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.
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Rare bird documentation form for Northern Goshawk at Sunken Grove, 1980
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Field notes
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Birds--Identification Ornithology Rare birds
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1980-09-06
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1980-11-29
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Rare birds documentation form
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Rare bird documentation form for two Northern Goshawks at Sunken Grove at Pocahontas County, IA on September 6, 1980.
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Jardine, Wallace E.
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Northern Goshawk
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Sunken Grove State Game Management Area
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Sunken Grove, Pocahontas County
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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.
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Rare bird documentation form for Northern Goshawk at Red Rock Reservoir, 1981
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Field notes
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Birds--Identification Ornithology Rare birds
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1981-02-06
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N/A
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Rare birds documentation form
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Rare bird documentation form for a Northern Goshawk at Red Rock Reservoir in Marion County, IA on February 6, 1981.
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Thornburg, Robert E.
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Northern Goshawk
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Lake Red Rock
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Red Rock Res. - south end of Robert's Creek Park
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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.
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Rare bird documentation form for Northern Goshawk at Ames, 1981
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Field notes
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Birds--Identification Ornithology Rare birds
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1981-11-05
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1981-11-07
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Rare birds documentation form
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Rare bird documentation form for a Northern Goshawk at Ames in Story County, IA on Novermber 5, 1981.
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Robinson, John C., 1959-
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Northern Goshawk
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Ames
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Ames, Iowa; Story Co.,
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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.
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Rare bird documentation form for Northern Goshawk at Hickory Hill Park, 1981
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Field notes
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Birds--Identification Ornithology Rare birds
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1981-11-15
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N/A
|
Rare birds documentation form
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Rare bird documentation form for a Northern Goshawk at Hickory Hill Park in Johnson County, IA on November 15, 1981.
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Newlon, Michael C.
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Northern Goshawk
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Hickory Hill Park
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NE corner Hickory Hill Park, Iowa City Johnson Co IA
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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.
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Rare bird documentation form for Northern Goshawk at Hickory Hill Park, 1981
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Field notes
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Birds--Identification Ornithology Rare birds
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1981-11-16
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N/A
|
Rare birds documentation form
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Rare bird documentation form for a Northern Goshawk at Hickory Hill Park in Johnson County, IA on November 16, 1981.
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Kent, Thomas H. (Thomas Hugh), 1934-
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Northern Goshawk
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Hickory Hill Park
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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.
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Rare bird documentation form for Northern Goshawk at Hickory Hill Park, 1981
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Field notes
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Birds--Identification Ornithology Rare birds
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1981-11-15
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1981-12-03
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Rare birds documentation form
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Rare bird documentation form for a Northern Goshawk at Hickory Hill Park in Johnson County, IA on November 15, 1981.
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Hollis, Richard Jule
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Northern Goshawk
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Hickory Hill Park
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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.
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Rare bird documentation form for Northern Goshawk at Seven Bridges Park, 1981
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Field notes
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Birds--Identification Ornithology Rare birds
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1981-11-21
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N/A
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Rare birds documentation form
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Rare bird documentation form for a Northern Goshawk at Seven Bridges Park in Bremer County, IA on November 21, 1981.
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Myers, Robert K.
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Northern Goshawk
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Seven Bridges County Park
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Seven Bridges Park - Bremer County
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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.
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Rare bird documentation form for Northern Goshawk at Seven Bridges County Park in 1981
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Field notes
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Birds--Identification Ornithology Rare birds
|
1981-11-21
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1981-11-26
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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.
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Moore, Francis L.
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Northern Goshawk
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Seven Bridges County Park
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|
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Rare bird documentation form for Northern Goshawk at Big Creek State Park, 1981
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Field notes
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Birds--Identification Ornithology Rare birds
|
1981-11-21
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1981-11-23
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Rare birds documentation form
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Rare bird documentation form for a Northern Goshawk at Big Creek State Park in Polk County, IA on November 21, 1981.
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Zaletel, Hank
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Northern Goshawk
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Big Creek State Park
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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.
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Rare bird documentation form for Northern Goshawk at Big Creek Lake, 1981
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Field notes
|
Birds--Identification Ornithology Rare birds
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1981-11-21
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N/A
|
Rare birds documentation form
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Rare bird documentation form for a Northern Goshawk at Big Creek Lake in Polk County, IA on November 21, 1981.
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Robinson, John C., 1959-
|
Northern Goshawk
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Big Creek Lake
|
Big Creek Lake, Polk Co.,
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Deciduous slope next to a lake - In the middle of a deciduous grove of trees.
|
The documentation form by John C. Robinson is the only one submitted and forms the basis of this record. Other observers include Hank Zaletel and Joe Schaufenbuel. | Elimination of similar species: Other accipiters are smaller than Great Horned Owls. | The original documentation form event lasted from 09:00:00/09:07:00.
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Rare bird documentation form for Northern Goshawk at Volga River Recreation Area, 1981
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Field notes
|
Birds--Identification Ornithology Rare birds
|
1981-12-12
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1981-12-19
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Rare birds documentation form
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Rare bird documentation form for a Northern Goshawk at Volga River Recreation Area in Fayette County, IA on December 12, 1981.
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Myers, Robert K.
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Northern Goshawk
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Volga River State Recreation Area
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Volga River Recreation Area (Fayette County)
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Mixed deciduous Timber
|
The documentation form by Robert K. Myers is the only one submitted and forms the basis of this record. Other observers include Russell Hays and Joe Schaufenbuel. | Elimination of similar species: An imm. Coopers hawk could be similar in size and coloring but would not show the very obvious white stripe above the eye. | The original documentation form event lasted from 10:50:00/10:52:00.
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Rare bird documentation form for Northern Goshawk at Sweet Marsh, 1981
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Field notes
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Birds--Identification Ornithology Rare birds
|
1981-12-19
|
1981-12-26
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Rare birds documentation form
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Rare bird documentation form for a Northern Goshawk at Sweet Marsh in Bremer County, IA on December 19, 1981.
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Myers, Robert K.
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Northern Goshawk
|
Sweet Marsh
|
Sweet Marsh (Bremer County)
|
River bottom Timber at south edge of marsh
|
The documentation form by Robert K. Myers is the only one submitted and forms the basis of this record. Other observers include Russell Hays, Eleanor Corvin, and Antoinette Camarata. | Elimination of similar species: The shape + size made the choice either goshawk or coopers hawk and the white crescent over the eye made the choice goshawk. | The original documentation form event lasted from 12:30:00/12:30:00.
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Rare bird documentation form for Northern Goshawk at Sweet Marsh, 1981
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Field notes
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Birds--Identification Ornithology Rare birds
|
1981-12-19
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1982-01-01
|
Rare birds documentation form
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Rare bird documentation form for a Northern Goshawk at Sweet Marsh in Bremer County, IA on December 19, 1981.
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Hays, Russell
|
Northern Goshawk
|
Sweet Marsh
|
Sweet Marsh (south side), Bremer County, Ia.
|
River bottom timber
|
The documentation form by Russell Hays is the only one submitted and forms the basis of this record. Other observers include Eleanor Corvin, Antoinette Camarata, and Bob Myers. | Elimination of similar species: Imm. Cooper's would not show eye stripe. | The original documentation form event lasted from 11:20:00/11:30:00.
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Rare bird documentation form for Northern Goshawk at Lakin's Slough, 1981
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Field notes
|
Birds--Identification Ornithology Rare birds
|
1981-12-23
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1981-12-24
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Rare birds documentation form
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Rare bird documentation form for a Northern Goshawk at Lakin's Slough at Guthrie County, IA on December 23, 1981.
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Cummins, Raymond L.
|
Northern Goshawk
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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.
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Northern Goshawk sighting details contributed by Robert Walton, 1981
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Field notes
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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.
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Walton, Robert
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Northern Goshawk
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Swiss Valley Nature Center
|
|
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Rare bird documentation form for Northern Goshawk at Ulrich Park, 1981
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Field notes
|
Birds--Identification Ornithology Rare birds
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1981-12-25
|
N/A
|
Rare birds documentation form
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Rare bird documentation form for a Northern Goshawk at Ulrich Park in Black Hawk County, IA on December 25, 1981.
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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.
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Rare bird documentation form for Northern Goshawk at Sioux Township, 1982
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Field notes
|
Birds--Identification Ornithology Rare birds
|
1982-02-13
|
N/A
|
Rare birds documentation form
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Rare bird documentation form for two Northern Goshawks at Sioux Township in Plymouth County, IA on February 13, 1982.
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Farmer, Larry K.
|
Northern Goshawk
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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.
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Rare bird documentation form for Northern Goshawk at Big Creek, 1982
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Field notes
|
Birds--Identification Ornithology Rare birds
|
1982-02-15
|
1982-03-01
|
Rare birds documentation form
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Rare bird documentation form for a Northern Goshawk at Big Creek in Polk County, IA on February 15, 1982.
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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.
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Iowa Ornithologists' Union | MS 166
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25
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Rare bird documentation form for Northern Goshawk at Big Creek State Park, 1982
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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.
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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.
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