|
Rare bird documentation form for Pine Warbler at Brookside Park in Ames, 1983
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1983-09-06
|
N/A
|
Rare birds documentation form
|
Rare bird documentation form for a Pine Warbler at Brookside Park in Ames in Story County, IA on September 6, 1983.
|
Martsching, Paul
|
Pine Warbler
|
Brookside Park
|
Brookside Park, Ames, Story County, Iowa
|
General: forest Specific: shrubby area
|
The documentation form by Paul Martsching is the only one submitted and forms the basis of this record. | Elimination of similar species: Yellow Throated Vireo - did not have yellow specticles [sic]; had faint streaks on breast. fall Blackpoll or Bay Breasted Warbler - had no stripes or marks on back; was yellowish on head and head yellow breast | The original documentation form event lasted from 12:00:00/12:03:00.
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Iowa Ornithologists' Union | MS 166
|
35
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29
|
|
Rare bird documentation form for Pine Warbler at Lake Wapello State Park, 1983
|
Field notes
|
Birds--Behavior Birds--Identification Ornithology Rare birds
|
1983-09-11
|
N/A
|
Rare birds documentation form
|
Rare bird documentation form for a Pine Warbler at Lake Wapello State Park in Davis County, IA on September 11, 1983.
|
Bray, Tanya
|
Pine Warbler
|
Lake Wapello State Park
|
Lake Wapello State Park Davis County
|
|
The documentation form by Tanya Bray is the only one submitted and forms the basis of this record. | Elimination of similar species: This bird did not have: an eye ring or heavy bill as in Yellow-throated Vireo. Dark streaking or distinct yellow rump as in Magnolia. Streaked back as in fall Blackpoll or Bay-br Warblers. | The original documentation form event occurred around 18:15:00.
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Iowa Ornithologists' Union | MS 166
|
35
|
29
|
|
Rare bird documentation form for Merlin at Coralville Reservoir, 1983
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1983-09-11
|
N/A
|
Rare birds documentation form
|
Rare bird documentation form for a Merlin at Coralville Reservoir in Johnson County, IA on September 11, 1983.
|
Kent, Thomas H. (Thomas Hugh), 1934-
|
Merlin
|
Coralville Lake
|
Coralville Res
|
open part of reservoir
|
The documentation form by Thomas H. Kent is the only one submitted and forms the basis of this record. Other observers include Carl Bendorf and Tom Staudt. | Elimination of similar species: Pointed wings eliminate sharp-shin. Coloration eliminated Kestrel. Size and marks eliminate Peregrine. | The original documentation form event lasted from 07:40:00/07:45:00.
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Iowa Ornithologists' Union | MS 166
|
33
|
32
|
|
Rare bird documentation form for Pine Warbler at Davenport, 1983
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1983-09-19
|
N/A
|
Rare birds documentation form
|
Rare bird documentation form for a Pine Warbler at Davenport in Scott County, IA on September 19, 1983
|
Petersen, Peter C.
|
Pine Warbler
|
Davenport
|
235 McClellan Blvd. Davenport, IA 52803
|
Wooded yard.
|
The documentation form by Peter C. Petersen is the only one submitted and forms the basis of this record. Other observers include Mary Lou Petersen. | Elimination of similar species: Blackpoll + Bay-br. Warbler - back not streaked, quite yellow below | The original documentation form event lasted from 13:05:00/13:15:00 and 16:15:00/16:18:00.
|
Iowa Ornithologists' Union | MS 166
|
35
|
29
|
|
Records Committee review for rare bird sighting of Mississippi Kite near Luster Heights, 1983
|
Administrative records Field notes
|
Bird watching Ornithology Ornithology--Societies, etc
|
1983-09-26
|
1993-09-03
|
Rare birds documentation form
|
Records Committee review of a Mississippi Kite near Luster Heights in Allamakee County, IA on September 26, 1983. Includes a record review document with votes, a summary of the review, and a documentation forms submitted to the committee.
|
Bowles, John B. (John Bedell), 1933- Roosa, Dean M. Stravers, Jon
|
Mississippi Kite
|
Luster Heights Work Camp
|
The observation point was located 5.1 miles north of Marquette, Allamakee County, near the Luster Heights State Correctional facility.
|
|
The documentation form by Jon Stravers, John Bowles, and Dean Roosa is the earliest and the one that forms the basis of this record. | Elimination of similar species: We could clearly see that the bird lacked streaking or banding on the entire underside, as is common in other raptor species...Even though falcon-like in appearance, we knew immediately that the bird was different from previously observed migrating hawks (Accipiters, Buteos, and Falcons). | The original documentation form event occurred around 16:15:00.
|
Iowa Ornithologists' Union | MS 166
|
8
|
26
|
|
Records Committee review for rare bird sighting of Ibis species at Otter Creek Marsh, 1983
|
Administrative records Correspondence Field notes
|
Bird watching Ornithology Ornithology--Societies, etc
|
1983-09-27
|
1993-09-01
|
Rare birds documentation form
|
Records Committee review of two birds (Ibis species) at Otter Creek Marsh in Tama County, IA on September 27, 1983. Includes a record review document with votes, a summary of the records review, a hand-written description of the birds, and a documentation form submitted to the committee.
|
Moore, Francis L.
|
Glossy Ibises
|
Otter Creek Marsh State Wildlife Refuge
|
Otter Creek Marsh near Chelsea, Tama Co., N.E. side of marsh
|
Marshy, low water amoung cattails between two Northern dikes.
|
The documentation form by Francis L. Moore is the only one submitted and forms the basis of this record. Other observers include Bob Myers and Ed Weiner. | Elimination of similar species: White ibis is not this dark even in immature plumage. All dark colored heron do not have long decurved bill like these birds. | The original documentation form event lasted from 12:15:00/13:00:00.
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Iowa Ornithologists' Union | MS 166
|
7
|
21
|
|
Rare bird documentation form for Henslow's Sparrow east of Swan Lake in Johnson County, 1983
|
Field notes
|
Birds--Behavior Birds--Identification Ornithology Rare birds
|
1983-09-29
|
1983-10-04
|
Rare birds documentation form
|
Rare bird documentation form for a Henslow's Sparrow east of Swan Lake in Johnson County, IA on September 29, 1983.
|
Staudt, Thomas J.
|
Henslow's Sparrow
|
Swan Lake Wildlife Management Area
|
Johnson co. just east of Swan Lake
|
small marsh area. The bird was perched low in a small clump of shrubs at the water edge. The marsh is surrounded by a grassy habitat.
|
The documentation form by Thomas J. Staudt is the only one submitted and forms the basis of this record. | Elimination of similar species: After recording the above notes I refered [sic] to Peterson's A Field Guide to the Birds East of the Rockies. He indicated that different ages of Grasshopper and Henslow's Sparrows could be mistaken for each other. The lack of prominate [sic] streaking on the breast and flanks on this bird may indicate an adult Grasshopper. However, the streaked olive-greenish head with dark marks in the auricular and the chestnut wing color eliminate the Grasshopper and any other sparrow. | The original documentation form event lasted from 14:30:00/14:40:00.
|
Iowa Ornithologists' Union | MS 166
|
35
|
57
|
|
Records Committee review for rare bird sighting for Black-headed Grosbeak at Larrabee, 1983
|
Administrative records Field notes
|
Bird watching Ornithology Ornithology--Societies, etc
|
1983-09-30
|
1993-09-01
|
Rare birds documentation form
|
Records Committee review for a Black-headed Grosbeak at Larrabee in Cherokee County, IA on September 30, 1983. Includes a record review document with votes, a summary of the review, and a documentation form submitted to the committee.
|
Brewer, Marion M.
|
Black-headed Grosbeak
|
Larrabee
|
4 mile E of Larrabee
|
Road ditch plum thicket some vines. Almost all of leaves dropped
|
The documentation form by Marion Brewer is the only one submitted and forms the basis of this record. | Elimination of similar species: Rose breasted female Grosbeak. Orange breast. | The original documentation form event lasted from 14:15:00/14:20:00.
|
Iowa Ornithologists' Union | MS 166
|
14
|
3
|
|
Rare bird documentation form for Pine Warbler at Greenwood Park in Des Moines, 1983
|
Field notes
|
Birds--Behavior Birds--Identification Birdsongs Ornithology Rare birds
|
1983-10-02
|
N/A
|
Rare birds documentation form
|
Rare bird documentation form for a Pine Warbler at Greenwood Park in Des Moines in Polk County, IA on October 2, 1983.
|
Thompson, Dennis
|
Pine Warbler
|
Greenwood Park
|
Greenwood Park, Des Moines Iowa
|
General: City park with large trees, little undercover. Specific: Row of pines (Norway, I believe)
|
The documentation form by Dennis Thompson is the only one submitted and forms the basis of this record. Other observers include Eugene Armstrong, Mark Dixon, Mark Rouw, and Larry Totten. | Elimination of similar species: Unstreaked back eliminated blackpoll, Bay-breasted. Large wingbars eliminated other warblers. Face pattern different than Prairie Warbler (had narrow eye-ring). Thin bill, actions, voice eliminate Yellow-thr. Vireo. | The original documentation form event lasted from 09:30:00/09:40:00.
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Iowa Ornithologists' Union | MS 166
|
35
|
29
|
|
Rare bird documentation form for Peregrine Falcon at Coralville Reservoir, 1983
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1983-10-02
|
1983-11-28
|
Rare birds documentation form
|
Rare bird documentation form for a Peregrine Falcon at Ranch Corner at Coralville Reservoir in Johnson County, IA on October 2, 1983.
|
Newlon, Michael C.
|
Peregrine Falcon
|
Hawkeye Wildlife Management Area
|
Ranch Corner, Coralville Reservoir, Johnson Co IA
|
Reservoir flooplain with dead trees, weedy flats, willows
|
The documentation form by Michael Newlon is the only one submitted and forms the basis of this record. | Elimination of similar species: face pattern eliminates only similar falcons. | The original documentation form event lasted from 12:00:00/13:00:00.
|
Iowa Ornithologists' Union | MS 166
|
33
|
34
|
|
Rare bird documentation form for Peregrine Falcon at Ames, 1983
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1983-10-10
|
N/A
|
Rare birds documentation form
|
Rare bird documentation form for a Peregrine Falcon at Ames in Story County, IA on October 10, 1983.
|
Martsching, Paul
|
Peregrine Falcon
|
Ames
|
Ames, Story County, Iowa
|
flying over town
|
The documentation form by Paul Martsching is the only one submitted and forms the basis of this record. | Elimination of similar species: Sparrow hawk & Merlin much smaller. Prairie Falcon brown & unlikely anyway. Nighthawk has white bar on wings - floppy flight. other hawks would have wider wings & tail. | The original documentation form event lasted from 17:15:00/17:15:20.
|
Iowa Ornithologists' Union | MS 166
|
33
|
34
|
|
Rare bird documentation form for Merlin at Rolling Cove Area, 1983
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1983-10-15
|
N/A
|
Rare birds documentation form
|
Rare bird documentation form for a Merlin at Rolling Cove Area at Rathbun Lake in Appanoose County, IA on October 15, 1983.
|
Cummins, Raymond L.
|
Merlin
|
Rolling Cove Park
|
Rolling Cove Area Rathbun Lake Appanoose Co., Iowa
|
Lakeside - Brushy ravine - open brush with some conifers mixed in.
|
The documentation form by Raymond L. Cummins is the only one submitted and forms the basis of this record. Other observers include Wallace Jardine. | Elimination of similar species: Small, only slightly larger than a Sparrow Hawk. True falcon in f[l]ight point wings. | The original documentation form event lasted from 15:30:00/15:35:00.
|
Iowa Ornithologists' Union | MS 166
|
33
|
32
|
|
Rare bird documentation form for Semipalmated Sandpiper at Fairport State Fish Hatchery, 1983
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1983-10-21
|
1983-10-23
|
Rare birds documentation form
|
Rare bird documentation form for a Semipalmated Sandpiper at Fairport State Fish Hatchery in Muscatine County, IA on October 21, 1983.
|
Robinson, John C., 1959-
|
Semipalmated Sandpiper
|
Fairport State Fish Hatchery
|
State Fish Hatchery, Fairport, Iowa, Muscatine County
|
Drained fish hatchery pond along the Mississippi River. Exposed mudflats and shallow water with algae present in a drained fish hatchery pond.
|
The documentation form by John C. Robinson is the only one submitted and forms the basis of this record. | Elimination of similar species: White-rumped Sandpiper has a white rump; Least Sandpiper usually has a distinct breast band, yellowish legs and browner body plumage; Western Sandpiper's bill length averages longer, with a droop at the end, and this species also tends to have rufous traces in the scapulars in the late fall. | The original documentation form event lasted from 12:40:00/12:52:00.
|
Iowa Ornithologists' Union | MS 166
|
34
|
17
|
|
Rare bird documentation form for Forster's Tern at Coralville Reservoir, 1983
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1983-10-21
|
N/A
|
Rare birds documentation form
|
Rare bird documentation form for a Forster's Tern at Coralville Reservoir in Johnson County, IA on October 21, 1983.
|
Peterjohn, Bruce G.
|
Forster's Tern
|
Coralville Lake
|
Coralville Reservoir, Johnson Co., Iowa
|
foraging over the open waters of the reservoir
|
The documentation form by Bruce Peterjohn is the only one submitted and forms the basis of this record. Other observers include Tom Kent, Carl Bendorf, Tom Staudt, and Rick Hollis. | Elimination of similar species: Common Tern was eliminated by flight pattern (more rapid + deeper wing beats) + apparent head pattern (Common Terns have more extensive black on the head). | The original documentation form event lasted from around 09:00:00/09:03:00.
|
Iowa Ornithologists' Union | MS 166
|
34
|
43
|
|
Rare bird documentation form for Northern Rough-winged Swallow at Coralville Reservoir, 1983
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1983-10-22
|
N/A
|
Rare birds documentation form
|
Rare bird documentation form for three Northern Rough-winged Swallows at Coralville Reservoir in Johnson County, IA on October 22, 1983.
|
Robinson, John C., 1959-
|
Northern Rough-winged Swallow
|
Coralville Lake
|
"Refuge" section of Coralville Reservoir
|
|
The documentation form by John C. Robinson is the only one submitted and forms the basis of this record. Other observers include Bill Debaetes and Tom Kent. | Elimination of similar species: [...] The flight pattern of the three lead birds attracted my attention, as the wings were held differently (slightly farther out and broader) than the wings of the Tree Swallows which are often held at a more acute angle to the body. [...] All other swallows in the loose flock (20 - 25 birds) were obvious Tree Swallows. None of the swallows showed a deeply forked tail such as that seen in the Barn Swallow. | The original documentation form event occurred around 10:05:00.
|
Iowa Ornithologists' Union | MS 166
|
34
|
86
|
|
Rare bird documentation form for White-winged Scoter at Coralville Reservoir in 1983
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1983-10-23
|
1983-10-24
|
Manuscript, graphic, and printed material
|
Rare bird documentation form for a White-winged Scoter north of the dam at Coralville Reservoir in Johnson County, IA on October 23, 1983.
|
Moore, Francis L.
|
White-winged Scoter
|
Coralville Lake
|
|
|
|
Iowa Ornithologists' Union | MS 166
|
33
|
12
|
|
Rare bird documentation form for Eastern Wood-Pewee at Credit Island Park, 1983
|
Field notes
|
Birds--Identification Birdsongs Ornithology Rare birds
|
1983-10-23
|
1983-10-25
|
Rare birds documentation form
|
Rare bird documentation form for a Eastern Wood-Pewee at Credit Island Park in Scott County, IA on October 23, 1983.
|
Peterjohn, Bruce G.
|
Eastern Wood-Pewee
|
|
Credit Island Park, Davenport, Scott County, Iowa
|
Open parkland; a grove of large oak trees and fairly short grass
|
The documentation form by Bruce Peterjohn is the only one submitted and forms the basis of this record. Other observers include Peter C. Petersen, Carl Bendorf, John Robinson, and twelve or more unidentified members of the IOU. | Elimination of similar species: Eastern Phoebe was eliminated by the pink lower mandible, absence of yellow on the underparts and absence of tail wagging behavior; phoebes also have grayer upperparts and have a different "jizz", appearing larger with a relatively larger head than a pewee. Western Wood Pewee was eliminated by the call note. The Western Wood Pewee has a single or double call note that has a distinctly buzzy character. | The original documentation form event lasted from approximately 10:10:00/10:20:00.
|
Iowa Ornithologists' Union | MS 166
|
34
|
64
|
|
Rare bird documentation form for White-winged Scoter at Coralville Reservoir, 1983
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1983-10-23
|
N/A
|
Rare birds documentation form
|
Rare bird documentation form for a White-winged Scoter at Coralville Reservoir in Johnson County, IA on October 23, 1983.
|
Staudt, Thomas J.
|
White-winged Scoter
|
Coralville Lake
|
Coralville Reservoir Johnson Co.
|
|
The documentation form by Tom Staudt is the only one submitted and forms the basis of this record. | Elimination of similar species: No other water fowl has the combination of white facial spot, white speculum and otherwise complete black appearance. | The original documentation form lasted from 14:30:00 and 15:30:00.
|
Iowa Ornithologists' Union | MS 166
|
33
|
12
|
|
Rare bird documentation form for White-winged Scoter at Coralville Reservoir, 1983
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1983-10-23
|
1983-11-29
|
Rare birds documentation form
|
Rare bird documentation form for a White-winged Scoter at Coralville Reservoir in Johnson County, IA on October 23, 1983.
|
Wilson, Barbara L.
|
White-winged Scoter
|
Coralville Lake
|
Coralville Reservoir, Iowa
|
|
The documentation form by Barbara L. Wilson is the only one submitted and forms the basis of this record. Other observers include Tanya Bray and Ross Silcock. | Elimination of similar species: Differs from most ducks by black color, + from the other scoters by white in wings + around eye. | The original documentation form event occurred around 14:10:00.
|
Iowa Ornithologists' Union | MS 166
|
33
|
12
|
|
Records Committee review for rare bird sighting of Ferruginous Hawk east of Shenandoah, 1983
|
Administrative records Clippings (information artifacts) Field notes
|
Bird watching Ornithology Ornithology--Societies, etc
|
1983-10-26
|
1993-09-01
|
Rare birds documentation form
|
Records Committee review of a Ferruginous Hawk east of Shenandoah in Page County, IA on October 26, 1983. Includes a record review document with votes, an article in Iowa Bird Life, a summary of the review, and a documentation form submitted to the committee.
|
Braley, Jean B.
|
Ferruginous Hawk
|
Shenandoah
|
E. of Shenandoah on Highway #2
|
|
The documentation form by Jean Braley is the earliest and the one that forms the basis of this record. Other observers include Francis Braley.
|
Iowa Ornithologists' Union | MS 166
|
9
|
1
|
|
Rare bird documentation form for Northern Goshawk at Madison County, 1983
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1983-10-31
|
1983-11-01
|
Rare birds documentation form
|
Rare bird documentation form for a Northern Goshawk at Madison County, IA on October 31, 1983.
|
Armstrong, Eugene
|
Northern Goshawk
|
Madison County
|
N.E. Madison County
|
Brushy fence row Open farmland
|
The documentation form by Eugene Armstrong is the only one submitted and forms the basis of this record. Other observers include Eloise Armstrong. | Elimination of similar species: Cooper's - Large than a Cooper's Grey bellied. | The original documentation form event occurred around 14:00:00.
|
Iowa Ornithologists' Union | MS 166
|
33
|
25
|
|
Rare bird documentation form for Peregrine Falcon along the Skunk River in Ames, 1983
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1983-11-06
|
1983-11-09
|
Rare birds documentation form
|
Rare bird documentation form for a Peregrine Falcon along the Skunk River in Ames in Story County, IA on November 6, 1983.
|
Martsching, Paul
|
Peregrine Falcon
|
Ames
|
along Skunk River east side of Ames, Story County, Iowa
|
river bottom land. over open field
|
The documentation form by Paul Martsching is the only one submitted and forms the basis of this record. | Elimination of similar species: Pigeon (dark) smaller - white rump patch; wings wider; tail shorter; Usually doesn't fly rapidly any distance in a straight line. Merlin - smaller. Prairie Falcon - I think even in the poor lite [sic] it would have looked brownish if it had been a Prairie Falcon. This bird looked nearly black from above. | The original documentation form event lasted from 09:30:00/09:30:20.
|
Iowa Ornithologists' Union | MS 166
|
33
|
34
|
|
Records Committee review for rare bird sighting of Sabine's Gull at Saylorville Dam, 1983
|
Administrative records Clippings (information artifacts) Field notes
|
Bird watching Ornithology Ornithology--Societies, etc
|
1983-11-10
|
1993-09-01
|
Rare birds documentation form
|
Records Committee review for a Sabine's Gull at Saylorville Dam in Polk County, IA on November 10, 1983. Includes a record review document with votes, an article in Iowa Bird Life, a summary of the review, and eleven documentation forms submitted to the committee.
|
Armstrong, Eloise
|
Sabine's Gull
|
Saylorville Dam
|
Tailwaters of Saylvorville Dam - Polk County, Iowa
|
Large body of water
|
The documentation form by Eloise Armstrong is the earliest and the one that forms the basis of this record. Other documentation forms by Carl Bendorf, Thomas J. Staudt, Peter C. Petersen, Thomas H. Kent, James Dinsmore, Hank Zaletel, Mike Newlon, Robert K. Myers, Francis L. Moore, and Beth Proescholdt were submitted later. Other observers include Phyllis Harris, Carol McMillen, Ramona Sommerlot, Mark Proescholdt, Russell Hays, Carol Newlon, Bernie Knight, Cal Knight, BJ Rose, Steve Dinsmore, Joe Schaufenbuel. Dick Mooney, Pauline Mooney, Eugene Armstrong, Bery Engebretsen, and many unidentified other observers. | Elimination of similar species: Little Gull and Kittiwake | The original documentation form event lasted from 13:15:00/13:45:00.
|
Iowa Ornithologists' Union | MS 166
|
11
|
9
|
|
Rare bird documentation form for White-winged Scoter at Van Dueseldorp Sand and Gravel Pit in Colfax, 1983
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1983-11-11
|
N/A
|
Rare birds documentation form
|
Rare bird documentation form for a White-winged Scoter at the Van Dueseldorp Sand and Gravel Pit in Colfax in Jasper County, IA on November 11, 1983.
|
Staudt, Thomas J.
|
White-winged Scoter
|
Colfax
|
Van Deuseldorp (sp) Sand & Gravel Pit Colfax Ia.
|
open area, C shaped pond in active sand & gravel pit
|
The documentation form by Thomas J. Staudt is the only one submitted and forms the basis of this record. Other observers include Carl Bendorf, Tom Kent, and Pete Petersen. | Elimination of similar species: Surf Scoter has all black wings, white spot on forehead & nape. | The original documentation form event lasted from 09:30:00/09:40:00.
|
Iowa Ornithologists' Union | MS 166
|
33
|
12
|
|
Records Committee review for rare bird sighting of Black Scoter at Colfax, 1983
|
Administrative records Field notes Forms (documents)
|
Bird watching Ornithology Ornithology--Societies, etc
|
1983-11-11
|
1993-09-01
|
Rare birds documentation form
|
Records Committee review of a Black Scoter at Colfax in Jasper County, IA on November 11, 1983. Includes a record review document with votes and three documentation forms submitted to the committee.
|
Kent, Thomas H. (Thomas Hugh), 1934-
|
Black Scoter
|
Colfax
|
Colfax sand pits, Jasper Co., Iowa
|
Sand/gravel pits along Interstate 80 north of Colfax. River bottom land area.
|
The documentation form by Thomas H. Kent is the earliest and the one that forms the basis of this record. Other documentation forms by Thomas J. Staudt and Carl Bendorf were submitted later. Other observers include Peter C. Petersen. | Elimination of similar species: Ruddy Duck not as brown/black, face patch less distinct, and head and bill shape different. Female Surf and White-winged scoters have divided and less extense face patch and straighter forehead; White-winged has white wing patch. | The original documentation form event lasted from 09:30:00/10:10:00.
|
Iowa Ornithologists' Union | MS 166
|
8
|
20
|