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Rare bird documentation form for Swainson's Hawk at Bronson, 1984
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Field notes
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Birds--Identification Ornithology Rare birds
|
1984-05-04
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1984-05-08
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Rare birds documentation form
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Rare bird documentation form for a Swainson's Hawk at Bronson in Woodbury County, IA on May 4, 1984.
|
Holloway, Jack A.
|
Swainson's Hawk
|
Bronson
|
Woodbury County, Bronson, Iowa
|
Open pastures and barefields
|
The documentation form by Jack A. Holloway III is the only one submitted and forms the basis of this record. | Elimination of similar species: Harlan's: Harlan's has more white on the tail and on the underside of wing. Harlan's wings are not as long + does not have the distinct habit of flying with the wings at such a noticeable angle. | The original documentation form event lasted from 10:05:00/10:20:00.
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Iowa Ornithologists' Union | MS 166
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33
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28
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Rare bird documentation form for Golden Eagle at Johnson County, 1978
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1978-02-19
|
1978-03-01
|
Rare birds documentation form
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Rare bird documentation form for a Golden Eagle at Johnson County, IA on February 19, 1978.
|
DeCoster, R. J. (Richard Joseph)
|
Golden Eagle
|
Johnson County
|
4.9 mi west of jct. of F20 and W48 in Johnson Co. Iowa. The bird was in trees between F20 and the Iowa River bed.
|
The bird was perched on the north edge of a stand of trees bordering the Iowa River. Snow covered cornfields were n. of trees.
|
The documentation form by Richard DeCoster is the only one submitted and forms the basis of this record. Other observers include Michael Newlon. | Elimination of similar species: Dark phased rough-legged hawk lacks the white wing patches on upper wing surface and is not twice the length of common crow. Also usually has dark upper tail surface. Immature Bald Eagle lacks prominent white wing patches and base of bill not yellow. | The original documentation form event lasted from 09:45:00/10:00:00.
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Iowa Ornithologists' Union | MS 166
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33
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31
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Rare bird documentation form for Golden Eagle at the Dupont Bridge in Hawkeye Wildlife Management Area, 1978
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1978-02-19
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N/A
|
Rare birds documentation form
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Rare bird documentation form for a Golden Eagle at the Dupont Bridge in the Hawkeye Wildlife Management Area in Johnson County, IA on February 19, 1978.
|
Newlon, Michael C.
|
Golden Eagle
|
Hawkeye Wildlife Management Area
|
1/2 mile south of Johnson Co. Rd. F-20, 4.9 mi. w. of the crossroad leading to the Dupont Bridge.
|
General: border between an extensive tract of riverbottom forest and a half-mile stretch of corn and soybean fields (with large patches of unharvested beans). At the north edge of the fields was a road, followed by a wooded ridge. Specific: Perched at the edge of a narrow screen of trees that extended out from the forest, between two fields. [drawing]
|
The documentation form by Michael Newlon is the only one submitted and forms the basis of this record. Other observers include Richard DeCoster. | Elimination of similar species: The three species with which confusion is most likely are the bald eagle (imm) and red-tailed and rough-legged hawks (dark-phase). Several points rule out these species. (1) Size: the body length of the bird was 2&1/2-3 times that of a crow that perched in the same tree; the two hawks are not nearly this large. (2) tail pattern: imm. bald eagles sometimes show tails that are darker at the tip than at the base, but all such individuals that I have seen have had a gradual transition from dark to light, rather than the sharp boundary that this bird showed. Adult melanistic redtails usually have red tails; imm birds should show dark tails crossed by darker bands. (3) Wing pattern: imm bald eagles have white in the wing, but this is usually in the wing-lining rather than the primaries and secondaries; dark-phase rough-legs usually have the primaries and secondaries entirely white. (4) build: bald eagle has longer neck, and more massive head and bill, than golden; this bird had the general proportions of a buteo. | The original documentation form event lasted from 09:00:00/09:30:00.
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Iowa Ornithologists' Union | MS 166
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33
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31
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Rare bird documentation form for Golden Eagle at Kent Park, 1975
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Field notes
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Birds--Identification Ornithology Rare birds
|
1975-12-06
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1975-12-08
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Rare birds documentation form
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Rare bird documentation form for a Golden Eagle at Kent Park in Johnson County, IA on December 6, 1975.
|
Newlon, Michael C.
|
Golden Eagle
|
F W Kent County Park
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Kent Park, ~10 miles west of Iowa City IA
|
soaring over area of stubble fields, old fields growing up to brush, farms
|
The documentation form by Michael C. Newlon is the only one submitted and forms the basis of this record. | Elimination of similar species: 'ringed' tail, proportion of head, neck, bill; lack of any white in wing-lining on body plumage: all eliminate imm. bald eagle. great size, lack of white in primaries eliminate black rough-leg. | The original documentation form event occurred between 13:30:00/14:35:00 (seen twice) (total ~ 20 minutes).
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Iowa Ornithologists' Union | MS 166
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33
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31
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Rare bird documentation form for Golden Eagle at Coralville Reservoir, 1975
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Field notes
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Birds--Identification Ornithology Rare birds
|
1975-10-28
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1975-11-20
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Rare birds documentation form
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Rare bird documentation form for a Golden Eagle at Coralville Reservoir in Johnson County, IA on October 28, 1975.
|
Newlon, Michael C.
|
Golden Eagle
|
Coralville Lake
|
Coralville Reservoir, NW of Iowa City, IA
|
Coralville Res. - wooded ridge to N., extensive water and bare grassy flats in Res. area, then farmland to S.
|
The documentation form by Michael C. Newlon is the only one submitted and forms the basis of this record. | Elimination of similar species: imm. Bald Eagle; proportions of head, neck and tail, no white in wing-linings black r-l hawk: lack of any white in primaries and secondaries, large size. | The original documentation form event occurred around 11:00:00.
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Iowa Ornithologists' Union | MS 166
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33
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31
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Rare bird documentation form for Golden Eagle at Macbride Recreation Area, 1975
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Field notes
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Birds--Identification Ornithology Rare birds
|
1975-03-19
|
N/A
|
Rare birds documentation form
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Rare bird documentation form for a Golden Eagle at Macbride Recreation Area northeast of North Liberty in Johnson County, IA on March 19, 1975.
|
Halmi, Nicholas S.
|
Golden Eagle
|
Macbride Nature Recreation Area
|
over Univ. of Iowa Macbride Campus, NE of North Liberty, Iowa
|
over park with deciduous woods and clumps of planted conifers, between Coralville Reservoir and Lake Macbride
|
The documentation form by Nicholas S. Halmi is the only one submitted and forms the basis of this record. | Elimination of similar species: Much larger than dark-phase Rough-legged Hawk. White on wing the reverse of that in imm. Bald Eagle. Tail larger in relation to body than in Bald Eagle, not mottled but distinctly banded. General plumage lighter than that of imm. Bald Eagle. | The original documentation form event lasted from 14:10:00/14:15:00.
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Iowa Ornithologists' Union | MS 166
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33
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31
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Rare bird documentation form for Rough-legged Hawk at Pool Slough, 1999
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Field notes
|
Birds--Identification Ornithology Rare birds
|
1999-05-08
|
N/A
|
Rare birds documentation form
|
Rare bird documentation form for a Rough-legged Hawk at Pool Slough north of New Albin in Allamakee County, IA on May 8, 1999.
|
Lesher, Fred
|
Rough-legged Hawk
|
Pool Slough
|
Pool Slough north of Army Road, New Albin, Iowa.
|
|
The documentation form by Fred Lesher is the only one submitted and forms the basis of this record. | The original documentation form event lasted from 17:00:00/17:10:00.
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Iowa Ornithologists' Union | MS 166
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33
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30
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Rare bird documentation form for Rough-legged Hawk at Pilot Creek County Park, 1982
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Field notes
|
Birds--Identification Ornithology Rare birds
|
1982-06-13
|
N/A
|
Rare birds documentation form
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Rare bird documentation form for a Rough-legged Hawk at Pilot Creek County Park in Pocahontas County, IA on June 13, 1982.
|
Cummins, Raymond L.
|
Rough-legged Hawk
|
Pilot Creek Wildlife Area
|
Pilot Creek Co. Park (Pocahontas Co.)
|
Rolling pasture next wooded creek. Pasture with 1' to 2' weeds with grazed areas.
|
The documentation form by Raymond Cummins is the only one submitted and forms the basis of this record. Other observers include Wallace Jardine. | Elimination of similar species: Red-tailed hawk immature. | The original documentation form event lasted from 10:30:00/10:35:00.
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Iowa Ornithologists' Union | MS 166
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33
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30
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Rare bird documentation form for Rough-legged Hawk east of Mount Vernon, 1982
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Field notes
|
Birds--Identification Ornithology Rare birds
|
1982-05-11
|
1982-06-09
|
Rare birds documentation form
|
Rare bird documentation form for a Rough-legged Hawk east of Mount Vernon in Linn County, IA on May 11, 1982.
|
Sandrock, James P., 1929-
|
Rough-legged Hawk
|
Mount Vernon
|
1-2 miles east of Mt. Vernon, IA (Linn County) on Highway 30.
|
N/A
|
The documentation form by James P. Sandrock is the only one submitted and forms the basis of this record. Other observers include James Huntington. | Elimination of similar species: Did not have the red tail of Red-tailed Hawk; a Northern Harrier would be slimmer with longer, narrower tail and wings. | The original documentation form event lasted from 15:32:00/15:35:00 estimated.
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Iowa Ornithologists' Union | MS 166
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33
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30
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Rare bird documentation form for Red-tailed Hawk near Fraser, 1999
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1999-01-01
|
N/A
|
Rare birds documentation form
|
Rare bird documentation form for a Red-tailed Hawk on the Big Eddy portion of Des Moines River east of Fraser in Boone County, IA on January 1, 1999.
|
Healy, Kevin
|
Red-tailed Hawk
|
Fraser
|
Big Eddy portion of Des Moines River about 1 mile east of Fraser IA.
|
|
The documentation form by Kevin Healy is the only one submitted and forms the basis of this record. Other observers include Rosanne Healy, Amy Yoakum, and Molly Havlik. | The original documentation form event occurred around 11:00:00.
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Iowa Ornithologists' Union | MS 166
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33
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29
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Rare bird documentation form for Red-tailed Hawk at Hickory Hill Park, 1981
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1981-11-16
|
1981-12-01
|
Rare birds documentation form
|
Rare bird documentation form for a Red-tailed Hawk at Hickory Hill Park in Iowa City in Johnson County, IA on November 16, 1981.
|
Newlon, Michael C.
|
Red-tailed Hawk
|
Hickory Hill Park
|
N side Hickory Hill Park, Iowa City, Johnson Co IA
|
pastures/hedgerows/woods
|
The documentation form by Mike Newlon is the only one submitted and forms the basis of this record. | Elimination of similar species: Lack of immaculate primaries, rusty on tail tend to eliminate rough-leg. Tail pattern suggests Harlan's r.t. | The original documentation form event lasted from 08:30:00/08:45:00.
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Iowa Ornithologists' Union | MS 166
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33
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29
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Rare bird documentation form for Swainson's Hawk at Hawkeye Wildlife Area, 1992
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1992-04-04
|
1992-04-05
|
Rare birds documentation form
|
Rare bird documentation form for a Swainson's Hawk at Round Pond in Hawkeye Wildlife Area in Johnson County, IA on April 4, 1992.
|
Scheib, James
|
Swainson's Hawk
|
Hawkeye Wildlife Management Area
|
Just east & south of Round Pond in Hawkeye WIldlife Area, Johnson Co.
|
Over trees lining a grassy field on south side of Swan Lake Road.
|
The documentation form by James Scheib is the only one submitted and forms the basis of this record. Other observers include Sharon Scheib. | Elimination of similar species: I assumed a Red-tailed hawk until I put my binoculars on it and saw that it lacked the patagial marks of a RTH and had a dark mottled pattern underneath including the breast, thus really getting my attention. I next assumed a Rough-legged Hawk and looked to the wing pattern, but the wrist markings were dark commas, not the large carpal patch in a RLH. See above for RTH & RLH. From the first I never considered it to be a Red-shouldered Hawk because of the highly contrasting patterning of the underside as opposed to the duller, finer underside of the RSH. The size was also that of a larger hawk. | The original documentation form event lasted from 09:00:00/09:02:00.
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Iowa Ornithologists' Union | MS 166
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33
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28
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Rare bird documentation form for Swainson's Hawk at Union Slough National Wildlife Refuge, 1988
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1988-03-27
|
N/A
|
Rare birds documentation form
|
Rare bird documentation form for a Swainson's Hawk at Union Slough National Wildlife Refuge in Kossuth County, IA on March 27, 1988.
|
Kenne, Matthew C.
|
Swainson's Hawk
|
Union Slough National Wildlife Refuge
|
1 mi E of Union Slough N.W.R., Kossuth Co., Ia. south of Titonka Blacktop
|
Pasture dotted with trees, stream in bottom.
|
The documentation form by Matthew Kenne is the only one submitted and forms the basis of this record. | Elimination of similar species: Other dark buteos have paler areas underneath, but this bird was as dark under wing as chest, belly, and back. | The original documentation form event lasted from 10:30:00/10:35:00.
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Iowa Ornithologists' Union | MS 166
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33
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28
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Rare bird documentation form for Northern Goshawk at Cedar Falls, 1981
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1981-12-26
|
1981-12-27
|
Rare birds documentation form
|
Rare bird documentation form for a Northern Goshawk at Cedar Falls in Black Hawk County, IA on December 26, 1981.
|
Myers, Robert K.
|
Northern Goshawk
|
Cedar Falls
|
Cedar Falls (Black Hawk County)
|
River bottom timber along Cedar Riv.
|
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: Large size and white eyestripe and very fluffy under tail covets eliminated the Cooper's hawk. | The original documentation form event lasted from 11:40:00/12:00:00.
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Iowa Ornithologists' Union | MS 166
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33
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25
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Rare bird documentation form for Swainson's Hawk at Bayard, 1980
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1980-09-21
|
1980-09-28
|
Rare birds documentation form
|
Rare bird documentation form for three Swainson's Hawks at Bayard in Guthrie County, IA on September 21, 1980.
|
Newlon, Michael C.
|
Swainson's Hawk
|
Bayard
|
near Bayard, Guthrie Co., IA
|
farmland
|
The documentation form by Michael C. Newlon is the only one submitted and forms the basis of this record. Other observers include Tom Shires, Carol Newlon, and Thomas Kent. | Elimination of similar species: build, combination of white underparts + wing - linings plus dark flight -feathers eliminate other possible buteos - redtail, roughleg, broadwing, ferruginous, red-shoulder. | The original documentation form event occurred around 11:30:00/11:40:00 approximately.
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Iowa Ornithologists' Union | MS 166
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33
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28
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Rare bird documentation form for Swainson's Hawk near Melvin, 1978
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1978-06-09
|
1978-06-12
|
Rare birds documentation form
|
Rare bird documentation form for two Swainson's Hawks near Melvin in Osceola County, IA on June 9, 1978.
|
Dinsmore, James J.
|
Swainson's Hawk
|
Melvin
|
along highway 59, 6 miles south of intersection with highway 9, or 4 miles north of Melvin, in Osceola County
|
Open farmland with nearly all row crops. Nest was in a small grove of cottonwoods (large trees) around a farm. Trees had no underbrush and was almost parklike
|
The documentation form by James Dinsmore is the only one submitted and forms the basis of this record. Other observers include Tom Nigus. | Elimination of similar species: Redtail-no red, no belly band. Roughleg-no bands on tail. Broadwing & red-shouldered - size and no bands on tail. | The original documentation form event lasted from 15:30:00/15:40:00.
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Iowa Ornithologists' Union | MS 166
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33
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28
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Rare bird documentation form for Swainson's Hawk near Lake Mills and Rice Lake, 1978
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1978-06-03
|
1978-06-12
|
Rare birds documentation form
|
Rare bird documentation form for a Swainson's Hawk near Lake Mills and Rice Lake in Winnebago County, IA on June 3, 1978.
|
Dinsmore, James J.
|
Swainson's Hawk
|
Lake Mills Rice Lake
|
Winnebago County, 1 1/2 miles SE of Lake Mills (1 mile N of Rice Lake)
|
mixed oak savannah with farmland. Bird flew from area of oak woodlot out over farmland and circled over me
|
The documentation form by James Dinsmore is the only one submitted and forms the basis of this record. | Elimination of similar species: red tail-no belly band, no red on tail, shape seemed slimmer than most red-tails. roughleg-no white on rump, no tail bands. Broadwing and red-shoulder- too big and no tail bands. | The original documentation form event lasted from 13:55:00/14:00:00.
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Iowa Ornithologists' Union | MS 166
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33
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28
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Rare bird documentation form for Swainson's Hawk at Osceola County, 1978
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1978-05-16
|
N/A
|
Rare birds documentation form
|
Rare bird documentation form for two Swainson's Hawks at Osceola County, IA on May 16, 1978.
|
Bierman, Dick
|
Swainson's Hawk
|
Osceola County
|
Osceola County
|
open farm country, nest in a farm grove
|
The documentation form by Dick Bierman is the only one submitted and forms the basis of this record. Other observers include Dean Roosa and Steve Duecker. | Elimination of similar species: Red Tail, these birds had no red tail. | The original documentation form event lasted all day.
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Iowa Ornithologists' Union | MS 166
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33
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28
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Rare bird documentation form for Swainson's Hawk at Hartman Reserve, 1977
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1977-04-20
|
1977-12-01
|
Rare birds documentation form
|
Rare bird documentation form for three Swainson's Hawks at Hartman Reserve in Cedar Falls in Black Hawk County, IA on April 20, 1977.
|
Stone, Tom
|
Swainson's Hawk
|
Hartman Reserve Nature Center
|
Hartman Reserve, Cedar Falls, (Nesting)
|
Cedar River flood plain area, lowland forest
|
The documentation form by Thomas Stone is the only one submitted and forms the basis of this record. Other observers include Russ Hays, Dean Roosa, Mary Duritsa, and Antoinette Camarata. | Elimination of similar species: Red Tailed Hawk, Rough legged Hawk. | The original documentation form event lasted from 07:00:00/20:00:00.
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Iowa Ornithologists' Union | MS 166
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33
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28
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Rare bird documentation form for Broad-winged Hawk at Grammer Grove, 1995
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1995-10-21
|
N/A
|
Rare birds documentation form
|
Rare bird documentation form for a Broad-winged Hawk at Grammer Grove in Marshall County, IA on October 21, 1995.
|
Proescholdt, Beth
|
Broad-winged Hawk
|
Grammer Grove County Wildlife Area
|
Grammer Grove
|
|
The documentation form by Beth Proescholdt is the only one submitted and forms the basis of this record. Other observers include Jim Sinclair, Mark Proescholdt, and Rick Trieff. | Elimination of similar species: When we saw a barred tail at first we thought 'Red-shouldered', but realized it was a Broadwing tail, with the wider, darker subterminal hand of an adult - distinctly different from the Red-shouldered's even-width dark bands + more narrow white bands. | The original documentation form event lasted for four and a half hours.
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Iowa Ornithologists' Union | MS 166
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33
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27
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Rare bird documentation form for Broad-winged Hawk at Cedar Rapids, unknown date
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
N/A
|
N/A
|
Rare birds documentation form
|
Rare bird documentation form for a Broad-winged Hawk at Cedar Rapids in Linn County, IA on December 20, unknown year.
|
Bradley, Rob
|
Broad-winged Hawk
|
Cedar Rapids
|
N.E. Cedar Rapids Izaak Walton
|
Open woods
|
The documentation form by Rob Bradley is the only one submitted and forms the basis of this record. Other observers include Roger Heidt. | Elimination of similar species: Red tail - too small - tail band. | The original documentation form event occurred in the AM for 10 sec approximately.
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Iowa Ornithologists' Union | MS 166
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33
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27
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Rare bird documentation form for Red-shouldered Hawk at Clear Creek Township in Jasper County, 1984
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1984-01-22
|
1984-02-05
|
Rare birds documentation form
|
Rare bird documentation form for a Red-shouldered Hawk at Clear Creek Township in Jasper County, IA on January 22, 1984.
|
Zaletel, Hank
|
Red-shouldered Hawk
|
Clear Creek Township
|
Jasper County, Clear Creek Twnshp T8IN-R21W Section 13 SE
|
Steep hills, flat valleys, wooded slopes
|
The documentation form by Hank Zaletel is the only one submitted and forms the basis of this record. | Elimination of similar species: Red tail does not have barred tail, does not have orange brown breast as well as underside wing linings. Broad wing has fewer bars on tail, does not have orange brown underside wing linings neither have dark, white spacing on top side secondaries. | The original documentation form event lasted from 13:30:00/13:45:00.
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Iowa Ornithologists' Union | MS 166
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33
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26
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Rare bird documentation form for Red-shouldered Hawk at Jefferson Township in Madison County, 1984
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1984-01-20
|
1984-01-21
|
Rare birds documentation form
|
Rare bird documentation form for a Red-shouldered Hawk at Jefferson Township in Madison County, IA on January 20, 1984.
|
Armstrong, Eloise
|
Red-shouldered Hawk
|
Jefferson Township
|
Sec. 32 - Jefferson twsp - Madison County
|
wooded area - was on edge of a 30 acre wooded area with small cedars + multiflora rose under brush.
|
The documentation form by Eloise Armstrong is the only one submitted and forms the basis of this record. Other observers include Eugene Armstrong and Dennis Thompson. | Elimination of similar species: Sharp-shinned, Cooper's, Red-tail. | The original documentation form event lasted from 14:30:00/14:45:00.
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Iowa Ornithologists' Union | MS 166
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33
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26
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Rare bird documentation form for Red-shouldered Hawk at Sweet Marsh, 1981
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1981-12-19
|
1981-12-26
|
Rare birds documentation form
|
Rare bird documentation form for a Red-shouldered Hawk at Sweet Marsh in Bremer County, IA on December 19, 1981.
|
Myers, Robert K.
|
Red-shouldered Hawk
|
Sweet Marsh
|
Sweet Marsh (south side), Bremer County
|
River bottom timber along Wapsipinicon River
|
The documentation form by Robert K. Myers is the only one submitted and forms the basis of this record. Other observers include Bill Watson. | Elimination of similar species: Broad-winged Hawk has banded tail but sizes wing pattern and date eliminated it. | The original documentation form event lasted from 12:45:00/13:00:00.
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Iowa Ornithologists' Union | MS 166
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33
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26
|
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Rare bird documentation form for Red-shouldered Hawk at Union Slough Refuge, 1979
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1979-04-30
|
1979-05-07
|
Rare birds documentation form
|
Rare bird documentation form for a Red-shouldered Hawk at Union Slough Refuge in Kossuth County, IA on April 30, 1979.
|
Klaas, Erwin E
|
Red-shouldered Hawk
|
Union Slough National Wildlife Refuge
|
South end of Union Slough Refuge about 1/8 m. W of Deer Meadow Picnic Area
|
Refuge is large marshy wetland area surrounded by intensive farming area. South end of refuge has extensive wooded area along Buffalo Creek. Trees mostly box elder, Maple and Cottonwood.
|
The documentation form by Erwin E. Klaas is the only one submitted and forms the basis of this record. Other observers include Jim Kline and Glenn Welp. | Elimination of similar species: Diagnostic characteristics were seen up close with binoculars. Definitely not a red-tail or broad-wing. | The original documentation form event lasted from 14:00:00/14:05:00.
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Iowa Ornithologists' Union | MS 166
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33
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26
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