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Rare bird documentation form for Northern Goshawk at Big Creek Lake, 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 Big Creek Lake in Polk County, IA on November 21, 1981.
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Robinson, John C., 1959-
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Northern Goshawk
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Big Creek Lake
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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
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Birds--Identification Ornithology Rare birds
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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
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1981-12-19
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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
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Sweet Marsh
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Sweet Marsh (Bremer County)
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River bottom Timber at south edge of marsh
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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
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1981-12-19
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1982-01-01
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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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Hays, Russell
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Northern Goshawk
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Sweet Marsh
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Sweet Marsh (south side), Bremer County, Ia.
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River bottom timber
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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
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Birds--Identification Ornithology Rare birds
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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.
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Northern Goshawk
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Lakin Slough State Game Management Area
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1 mile north + 1/2 mile east of the north end of Lakin's Slough
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Marsh
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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
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1981-12-26
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N/A
|
Manuscript, graphic, and printed material
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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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|
|
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Rare bird documentation form for Northern Goshawk at Ulrich Park, 1981
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Field notes
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Birds--Identification Ornithology Rare birds
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1981-12-25
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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.
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Northern Goshawk
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Ulrich Park
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In a large hardwood at the edge of the Cedar River in Ulrich Park, Black Hawk Co.
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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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25
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Rare bird documentation form for Northern Goshawk at Sioux Township, 1982
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Field notes
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Birds--Identification Ornithology Rare birds
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1982-02-13
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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.
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Northern Goshawk
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Sioux Township
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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
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Birds--Identification Ornithology Rare birds
|
1982-02-15
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1982-03-01
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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
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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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Rare bird documentation form for Northern Goshawk at Big Creek State Park, 1982
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Field notes
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Birds--Identification Ornithology Rare birds
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1982-02-15
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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 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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Rare bird documentation form for Northern Goshawk at Ledges State Park, 1982
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Field notes
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Birds--Identification Ornithology Rare birds
|
1982-02-25
|
N/A
|
Rare birds documentation form
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Rare bird documentation form for a Northern Goshawk at Ledges State Park in Boone County, IA on February 25, 1982.
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Newhouse, David A.
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Northern Goshawk
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Ledges State Park
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East entrance to Ledges State Park; Worth Twp., Boone Co.
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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.
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Rare bird documentation form for Northern Goshawk at Sweet Marsh, 1982
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Field notes
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Birds--Identification Ornithology Rare birds
|
1982-04-10
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1982-04-17
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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 April 10, 1982.
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Myers, Robert K.
|
Northern Goshawk
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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.
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Rare bird documentation form for Northern Goshawk at Sweet Marsh, 1982
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Field notes
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Birds--Identification Ornithology Rare birds
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1982-04-10
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1982-04-11
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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 April 10, 1982.
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Moore, Francis L.
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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.
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Rare bird documentation form for Northern Goshawk at Saint Ansgar in 1982
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Field notes
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Birds--Identification Ornithology Photography of birds Rare birds Wildlife conservation Wildlife rehabilitation
|
1982-09-22
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1982-10-01
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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.
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Hansen, James L.
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Northern Goshawk
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Saint Ansgar
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|
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Rare bird report for Northern Goshawk on the Rock River between Doon and Rock Valley in 1982
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Field notes
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Birds--Identification Ornithology Rare birds
|
1982-10-16
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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.
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Brand, Gordon James
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Northern Goshawk
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Rock Valley Doon
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|
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Rare bird documentation form for Northern Goshawk at Green Castle Corner in Johnson County, 1982
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Field notes
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Birds--Identification Ornithology Rare birds
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1982-10-31
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N/A
|
Rare birds documentation form
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Rare bird documentation form for two Northern Goshawks at Green Castle Corner in Johnson County, IA on October 31, 1982.
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Kent, Thomas H. (Thomas Hugh), 1934-
|
Northern Goshawk
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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.
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Notes on N. Goshawk observations - fall 1982
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Field notes
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Birds--Identification Ornithology Rare birds
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1982-10-31
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1982-11-22
|
Manuscript, graphic, and printed material
|
Field notes written by Carl J. Bendorf detailing three Northern Goshawk sightings in eastern Iowa.
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Bendorf, Carl J.
|
Northern Goshawk
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East Amana Green Castle (historical) Tirrill Park
|
|
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Rare bird documentation form for Northern Goshawk at Saylorville Reservoir Dam, 1982
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Field notes
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Birds--Identification Ornithology Rare birds
|
1982-10-29
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1982-10-31
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Rare birds documentation form
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Rare bird documentation form for two Northern Goshawks at Saylorville Reservoir Dam in Polk County, IA on October 29, 1982.
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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.
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Rare bird documentation form for Northern Goshawk at East River Valley Park, 1982
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Field notes
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Birds--Identification Ornithology Rare birds
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1982-11-03
|
N/A
|
Rare birds documentation form
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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 .
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Rare bird documentation form for Northern Goshawk at Sweet Marsh in 1982
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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.
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Myers, Robert K.
|
Northern Goshawk
|
Sweet Marsh
|
|
|
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Rare bird documentation form for Northern Goshawk at Sweet Marsh, 1982
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Field notes
|
Birds--Identification Ornithology Rare birds
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1982-11-14
|
N/A
|
Rare birds documentation form
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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.
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Rare bird documentation form for Northern Goshawk at Hickory Hill Park, 1982
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Field notes
|
Birds--Identification Ornithology Rare birds
|
1982-11-16
|
1982-11-28
|
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, 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.
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Rare bird documentation form for Northern Goshawk at Yellow River Forest, 1982
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Field notes
|
Birds--Identification Ornithology Rare birds
|
1982-11-21
|
N/A
|
Rare birds documentation form
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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.
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Rare bird documentation form for Northern Goshawk at Hanover Township in Allamakee County, 1982
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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.
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Rare bird documentation form for Northern Goshawk at Allamakee County, 1982
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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.
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Iowa Ornithologists' Union | MS 166
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