|
Rare bird documentation form for Greater Yellowlegs at Riverton Wildlife Area, 1988
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1988-03-06
|
1988-03-27
|
Rare birds documentation form
|
Rare bird documentation form for a Greater Yellowlegs at Riverton Wildlife Area in Fremont County, IA on March 6, 1988.
|
Dinsmore, Stephen J.
|
Greater Yellowlegs
|
Riverton Wildlife Management Area
|
Riverton W.A., Fremont Co.
|
feeding with Killdeer on mudflat
|
The documentation form by Steve Dinsmore is the only one submitted and forms the basis of this record. Other observers include Bart Ballard, Ross Silcock, Babs Padelford, and Loren Padelford. | Elimination of similar species: The size, yellow legs, long bill, and body color eliminates all other shorebirds except Lesser Yellowlegs. Lesser Yellowlegs was eliminated by the call, the large size, and the bill shape. | The original documentation form event lasted from 09:45:00/10:30:00.
|
Iowa Ornithologists' Union | MS 166
|
34
|
7
|
|
Records Committee review for rare bird sighting of Semipalmated Sandpiper at Riverton Wildlife Area, 1988
|
Administrative records Clippings (information artifacts) Correspondence Field notes
|
Bird watching Ornithology Ornithology--Societies, etc
|
1988-03-27
|
1993-08-04
|
Rare birds documentation form
|
Records Committee review of a Semipalmated Sandpiper at Riverton Wildlife Area in Fremont County, IA on March 27, 1988. Includes a record review document with votes, correspondence about the sighting, entries in an unidentified field guide, and two documentation forms submitted to the committee.
|
Dinsmore, Stephen J.
|
Semipalmated Sandpiper
|
Riverton Wildlife Management Area
|
Riverton W.A., Fremont Co.
|
feeding with other shorebirds on large mudflat area
|
The documentation form by Steve Dinsmore is the earliest and the one that forms the basis of this record. Anotther documentation form by Ross Silcock was submitted later. | Elimination of similar species: similar species eliminated above [...] This bird was slightly bigger than a Least and was much chunkier. The bird had dark legs, seen in direct comparison with the dark legs of Baird's Sandpipers and the yellowish legs of the Least Sandpipers. This bird was also still in basic plumage, making it much paler in color than the other peeps. [...] The bill was straight, dark, and much thicker at the base and the tip than the bill of a Baird's or Least sandpiper [sic]. | The original documentation form event lasted from 09:20:00/09:35:00.
|
Iowa Ornithologists' Union | MS 166
|
10
|
2
|
|
Records Committee review for rare bird sighting of Black-headed Gull at Riverton State Wildlife Management Area, 1981
|
Administrative records Correspondence Field notes
|
Bird watching Ornithology Ornithology--Societies, etc
|
1981-04-26
|
1993-09-01
|
Rare birds documentation form
|
Records Committee review for a Black-headed Gull at Riverton State Wildlife Management Area in Fremont County, IA on April 26, 1981. Includes a record review document with votes, summary of the review, correspondence from Barb Wilson to Tom Kent about the sighting, and four documentation forms submitted to the committee.
|
Bray, Tanya
|
Black-headed Gull
|
Riverton Wildlife Management Area
|
Riverton State Wildlife Management Area Fremont County, Iowa
|
|
The documentation form by Tanya Bray forms the basis of this record. Other documentation forms by Babs Padelford, Loren Padelford, Rick Wright, and W. Ross Silcock were submitted. | Elimination of similar species: Bonoparte's [sic] Gull; The main differences noted were the size and shape of the bill(much longer and heavier than Bonoparte's [sic]) and the style of flight.
|
Iowa Ornithologists' Union | MS 166
|
10
|
21
|
|
Records Committee review for rare bird sighting of Sharp-tailed Sandpiper at Riverton Wildlife Management Area, 1994
|
Administrative records Correspondence Field notes Photographs
|
Bird watching Ornithology Ornithology--Societies, etc
|
1994-05-15
|
1996-04-25
|
Rare birds documentation form
|
Records Committee review of a Sharp-tailed Sandpiper at Riverton Wildlife Management Area in Fremont County, IA on May 15, 1994. Includes a record review document with votes, correspondence about the bird sighting, seven photographs and photocopies of them, and a documentation form submitted to the committee.
|
Silcock, W. Ross
|
Sharp-tailed Sandpiper
|
Riverton Wildlife Management Area
|
Riverton GMA, Fremont County
|
|
The documentation form by Ross Silcock is the only one submitted and forms the basis of this record. Other observers include B.J. Rose, Roger Rose, and Doug Rose. | Elimination of similar species: [...] It resembled a Pectoral Sandpiper, but differed in the following ways: the crown was streaked, and showed noticeable rufous coloration in the feathering; the off-white superciliary stripe was lengthy and broadened towards the rear; the breast markings were dense as in a Pectoral but did not show a clearcut ending at the whitish belly, but instead ended indeterminately by gradually fading out. [...] Once ready to record, we flushed the bird and it gave a soft series of notes, somewhat like a Lesser Yellowlegs, but rather flat and unmelodious. This call was most unlike the harsh, grating call of a Pectoral Sandpiper. [...] Plumage, time of year, call upon flushing, and key plumage differences from Pectoral Sandpiper, cited above, led us to identify this bird as an adult Sharp-tailed Sandpiper. | The original documentation form event occurred around 10:30:00.
|
Iowa Ornithologists' Union | MS 166
|
10
|
4
|
|
Rare bird documentation form for Wilson's Phalarope at Riverton Game Management Area, unknown year
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
N/A
|
N/A
|
Rare birds documentation form
|
Rare bird documentation form for two Wilson's Phalaropes at Riverton Game Management Area in Fremont County, IA on July 15, unknown year.
|
Silcock, W. Ross
|
Wilson's Phalarope
|
Riverton Wildlife Management Area
|
Riverton GMA, Fremont County
|
It was feeding near the shoreline in dead weeds, mostly on foot, but occasionally in deeper water.
|
The documentation form by Ross Silcock is the only one submitted and forms the basis of this record. Other observers include Bob Myers and Francis Moore. | Elimination of similar species: Other species we considered (albeit briefly) were: Ruff: eliminated by bill size and shape (thin and straight, rather than fairly heavy and thick-based with a slight droop); also eliminated by phalarope feeding actions. Some far out of range Tringa (eg Wood Sandpiper or juv Redshank): legs relatively short; also phalarope feeding actions.
|
Iowa Ornithologists' Union | MS 166
|
34
|
29
|
|
Rare bird documentation form for Greater Scaup at Riverton Game Management Area, 1984
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1984-12-28
|
1985-01-04
|
Rare birds documentation form
|
Rare bird documentation form for three Greater Scaups at Riverton Game Management Area in Fremont County, IA on December 28, 1984.
|
Silcock, W. Ross
|
Greater Scaup
|
Riverton Wildlife Management Area
|
Riverton GMA, Fremont Co, IA
|
Lake
|
The documentation form by Ross Silcock is the only one submitted and forms the basis of this record. Other observers include Ione Getscher. | Elimination of similar species: Lesser Scaup, Ringnecked Duck. ID as Greater Scaup but confirmed when birds flew and displayed very obvious white wingstripe extending to outer primaries. | The original documentation form event lasted from 10:20:00/10:40:00.
|
Iowa Ornithologists' Union | MS 166
|
33
|
10
|
|
Rare bird documentation form for Ross' Goose at Riverton Game Management Area, 1984
|
Field notes Forms (documents)
|
Birds--Identification Ornithology Rare birds
|
1984-12-28
|
1985-01-04
|
Rare birds documentation form
|
Rare bird documentation form for two Ross' Geese at Riverton Game Management Area in Fremont County, IA on December 28, 1984.
|
Silcock, W. Ross
|
Ross' Goose
|
Riverton Wildlife Management Area
|
Riverton GMA, Fremont Co, IA
|
Lake; Roosting Area for Snow Geese
|
The documentation form by Ross Silcock is the only one submitted and forms the basis of this record. Other observers include Ione Getscher. | Elimination of similar species: Snow Goose -Bill Shape, Size & Color. | The original documentation form event lasted from 10:20:00/10:40:00.
|
Iowa Ornithologists' Union | MS 166
|
32
|
28
|
|
Records Committee review for rare bird sighting for Great-tailed Grackle at Riverton Area, 1983
|
Administrative records Clippings (information artifacts) Field notes
|
Bird watching Ornithology Ornithology--Societies, etc
|
1983-07-01
|
1993-09-01
|
Rare birds documentation form
|
Records Committee review for three to four Great-tailed Grackles at Riverton Area in Fremont County, IA on July 1, 1983. Includes a record review document with votes, an article in Iowa Bird Life, and five documentation forms submitted to the committee.
|
Silcock, W. Ross
|
Great-tailed Grackle
|
Riverton Wildlife Management Area
|
Riverton GMA
|
|
The documentation form by Ross Silcock is the earliest and the one that forms the basis of this record. Other documentation forms by Francis L. Moore, Barbara L. Wilson, Peter Petersen, and Mike Newlon were submitted later. Other observers include Tayce Pederson, Homer Pederson, Jean Pederson, Mary Lou Petersen, Corey Blevins, Joe Schaufenbuel, Steve Dinsmore, Gordon Jones, Carl Bendorf, and Thomas Staudt. | Elimination of similar species: During most sightings, chucking sounds typical of grackles were heard, but on the initial sighting, squealing sounds apparently characteristic of this species were heard.
|
Iowa Ornithologists' Union | MS 166
|
14
|
9
|
|
Rare bird documentation form for Ross' Goose at Riverton Game Management Area, 1981
|
Field notes Forms (documents)
|
Birds--Identification Ornithology Rare birds
|
1981-12-19
|
1982-01-19
|
Rare birds documentation form
|
Rare bird documentation form for a Ross' Goose at Riverton Game Management Area in Fremont County, IA on December 19, 1981.
|
Silcock, W. Ross
|
Ross' Goose
|
Riverton Wildlife Management Area
|
Riverton G.M.A. Fremont Co. Iowa
|
Swamp, surrounded by farmland
|
The documentation form by Ross Silcock is the only one submitted and forms the basis of this record. Other observers include Barb Wilson. | Elimination of similar species: Snow Goose eliminated by 1 size comparison 2 wing beat speed 3 possibly by reduced black in underwings tips - juvenile? | The original documentation form event lasted from 15:30:00/15:35:00.
|
Iowa Ornithologists' Union | MS 166
|
32
|
28
|
|
Records Committee review for rare bird sighting of Red Knot at Riverton Area, 1992
|
Administrative records Field notes
|
Bird watching Ornithology Ornithology--Societies, etc
|
1992-05-13
|
1994-10-18
|
Rare birds documentation form
|
Records Committee review for two Red Knots at Riverton Area in Fremont County, IA on May 13, 1992. Includes a record review document with votes and two documentation forms submitted to the committee.
|
Kent, Thomas H. (Thomas Hugh), 1934-
|
Red Knot
|
Riverton Wildlife Management Area
|
Riverton Area, Fremont Co., Iowa
|
Shallow mud flats with pool at low water level.
|
The documentation form by Thomas H. Kent is the earliest and the one that forms the basis of this record. Another documentation form by Jim Fuller was submitted later. Other observers include Jim Scheib and Dick Tetrault. | Elimination of similar species: The chunky body, relatively short legs, feeding pattern, and lack of white rump led me away from Stilt Sandpiper. The bill was much too short for dowitcher. The bill was not curved enough for Curlew Sandpiper. These birds appeared to be partially molted into alternate plumage. | The original documentation form event lasted from 08:35:00/08:45:00 and 10:30:00.
|
Iowa Ornithologists' Union | MS 166
|
10
|
1
|
|
Records Committee review for rare bird sighting of Long-billed Curlew at Riverton Area, 1989
|
Administrative records Clippings (information artifacts) Field notes
|
Bird watching Ornithology--Societies, etc Rare birds
|
1989-04-11
|
1993-08-05
|
Rare birds documentation form
|
Records Committee review of a Long-billed Curelew at Riverton Area in Fremont County, IA on April 11, 1989. Includes a record review document with votes, an article in Iowa Bird Life, and a documentation form submitted to the committee.
|
Priebe, Carl
|
Long-billed Curlew
|
Riverton Wildlife Management Area
|
Riverton Area Fremont County, IA
|
Shallow water area 3-4" of about 1-2 acres surrounded by mudflats
|
The documentation form by Carl Priebe is the only one submitted and forms the basis of this record. | Elimination of similar species: Whimbrel - The curlew was larger than the Marbled Godwit, Whimbrels would be about the same size or slightly smaller. Marbled Godwit - This bird has an upturned bill Hudsonian Godwit - This bird has an upturned bill No other bird has a bill comparable to the length and downward curve of the Long-billed Curlew | The original documentation form event lasted from 15:45:00/16:15:00.
|
Iowa Ornithologists' Union | MS 166
|
9
|
24
|
|
Records Committee review for rare bird sighting of Ruff at Riverton Area, 1995
|
Administrative records Field notes
|
Bird watching Ornithology Ornithology--Societies, etc
|
1995-04-01
|
2000-11-18
|
Rare birds documentation form
|
Records Committee review of a Ruff at Riverton Area in Fremont County, IA on April 1, 1995. Includes a record review document with votes and three documentation forms submitted to the committee.
|
Fuller, James L
|
Ruff
|
Riverton Wildlife Management Area
|
Riverton Area (Fremont County)
|
|
The documentation form by Jim Fuller is the earliest and the one that forms the basis of this record. Other documentation forms by Ross Silcock, and Thomas H. Kent were submitted later. Other observers include Tim Schantz, James Scheib, Eugene Armstrong, Eloise Armstrong, Pam Allen, and Reid Allen. | Elimination of similar species: Differences from Pectoral pointed out in description. Yellowlegs have different leg color, breast pattern is more spotted, and the bill is longer and thinner. | The original documentation form event lasted from 07:35:00/08:20:00.
|
Iowa Ornithologists' Union | MS 166
|
10
|
9
|
|
Rare bird documentation form for Merlin at Riverton Area, 1988
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1988-12-27
|
1988-12-28
|
Rare birds documentation form
|
Rare bird documentation form for a Merlin at Riverton Area in Fremont County, IA on December 27, 1988.
|
Dinsmore, Stephen J.
|
Merlin
|
Riverton Wildlife Management Area
|
Riverton A., Fremont Co., IA
|
flying over large lake
|
The documentation form by Steve Dinsmore is the only one submitted and forms the basis of this record. Other observers include Ross Silcock. | Elimination of similar species: The small size, lack of any obvious facial pattern, and lack of dark axillars eliminates Peregrine and Prairie Falcons. The brown upperparts, barred tail, streaked underparts, and more powerful wingstrokes eliminate Am. Kestrel. | The original documentation form event occurred at approximately 08:15:00/08:17:00.
|
Iowa Ornithologists' Union | MS 166
|
33
|
32
|
|
Records Committee review for rare bird sighting of Glossy Ibis at Riverton Area, 1995
|
Administrative records Clippings (information artifacts) Field notes Photographs
|
Bird watching Ornithology Ornithology--Societies, etc
|
1995-05-18
|
2000-11-18
|
Rare birds documentation form
|
Records Committee review of two Glossy Ibis at Riverton Area in Fremont County, IA on May 18, 1995. Includes a record review document with votes, two photos, an article in Iowa Bird Life, and four documentation forms submitted to the committee.
|
Kent, Thomas H. (Thomas Hugh), 1934-
|
White Ibis
|
Riverton Wildlife Management Area
|
Riverton A., Fremont Co., IA
|
Controlled water area long Nishnabotna River and flooded fields.
|
The documentation form by Thomas H. Kent is the earliest and the one that forms the basis of this record. Other documentation forms by Jim Fuller, Babs Padelford, Loren Padelford, and Ross Silcock were submitted later. Other observers include Dick Tetrault, B.J. Rose, and Doug Rose. | Elimination of similar species: An immature White-faced Ibis could lack the red eye, red legs, and white facial feathering of an adult and be confused with a Glossy Ibis. An immature white-faced would lack the blue facial skin and would likely show some brownish feathers. The color differences were clear-cut and observed under identical viewing condition. | The original documentation form event lasted from 13:30:00/13:40:00, 14:20:00/15:25:00, and, on May 19 from 08:40:00/08:45:00.
|
Iowa Ornithologists' Union | MS 166
|
7
|
23
|
|
Rare bird documentation form for Whimbrel at Riverton Area, 1987
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1987-08-01
|
1987-11-26
|
Rare birds documentation form
|
Rare bird documentation form for a Whimbrel at Riverton Area in Fremont County, IA on August 1 - 2, 1987.
|
Dinsmore, Stephen J.
|
Whimbrel
|
Riverton Wildlife Management Area
|
Riverton A., Fremont Co.
|
feeding on large mudflat with other shorebirds
|
The documentation form by Steve Dinsmore is the only one submitted and forms the basis of this record. Other observers include Bart Ballard and Ross Silcock. | Elimination of similar species: No other shorebird has the combination of large size, long, decurved bill, dark eyeline, and buffy flight feathers. | The original documentation form event lasted from 14:10:00/16:00:00.
|
Iowa Ornithologists' Union | MS 166
|
34
|
12
|
|
Records Committee review for rare bird sighting for Great-tailed Grackle at Riverton Area, 1984
|
Administrative records Field notes
|
Bird watching Ornithology Ornithology--Societies, etc
|
1984-05-15
|
1993-09-01
|
Rare birds documentation form
|
Records Committee review for a Great-tailed Grackle at Riverton Area in Fremont County, IA on May 15, 1984. Includes a record review document with votes and a documentation form submitted to the committee.
|
Kent, Thomas H. (Thomas Hugh), 1934-
|
Great-tailed Grackle
|
Riverton Wildlife Management Area
|
Riverton A, near headquarters, Fremont Co., IA
|
open area with a few trees near water area
|
The documentation form by Thomas H. Kent is the only one submitted and forms the basis of this record. Another observer was Ross Silcock. | Elimination of similar species: The large size, long tail and voice convince me it was not a Common Grackle. Unfortunately, we were not able to study the bird for more than a minute. | The original documentation form event lasted from 06:30:00/06:32:00.
|
Iowa Ornithologists' Union | MS 166
|
14
|
9
|
|
Rare bird documentation form for Merlin at Riverside Township in Fremont County, 1978
|
Field notes
|
Birds--Identification Ornithology--Societies, etc Rare birds
|
1978-03-19
|
N/A
|
Rare birds documentation form
|
Rare bird documentation form for a Merlin at Riverside Township in Fremont County, IA on March 19, 1978.
|
Silcock, W. Ross
|
Merlin
|
Riverside Township
|
Riverside Twp Fremont Co, Iowa
|
Nishnabotna River Bottom, Corn stubble fields (frozen)
|
The documentation form by W. Ross Silcock is the only one submitted and forms the basis of this record. | Elimination of similar species: Accipiters- Wings were pointed, not rounded, and bird did not sail, but flew with rapid, continuous strokes. | The original documentation form event lasted from 09:30:00/09:30:10.
|
Iowa Ornithologists' Union | MS 166
|
33
|
32
|
|
Records Committee review for rare bird sighting for Pine Grosbeak at Spencer, 1995
|
Administrative records Field notes Photographs
|
Bird watching Ornithology Ornithology--Societies, etc
|
1995-02-27
|
2000-11-20
|
Rare birds documentation form
|
Records Committee review for two Pine Grosbeaks at Spencer in Clay County, IA on February 27, 1995. Includes a record review document with votes, a photo, and three documentation forms submitted to the committee.
|
Schoenewe, Lee A.
|
Pine Grosbeak
|
Spencer
|
Riverside cemetary & residence at Prospect Dr., Spencer
|
Pine trees & Ash trees in suburban neighborhood & cemetary
|
The documentation form by Lee A. Schoenewe is the earliest and the one that forms the basis of this record. Other documentation forms by Jim Fuller and Thomas H. Kent were submitted later. Other observers include Doug Harr and Dick Tetrault. | Elimination of similar species: White-winged Crossbill: bill shape, size & long tail. | The original documentation form event lasted from 07:40:00 and 16:45:00/17:05:00.
|
Iowa Ornithologists' Union | MS 166
|
14
|
13
|
|
Rare bird documentation form for Goose species at Riverside Cemetery in Marshalltown, 1993
|
Field notes Forms (documents)
|
Birds--Identification Ornithology Rare birds
|
1993-10-06
|
1993-11-16
|
Rare birds documentation form
|
Rare bird documentation form for a Goose species at Riverside Cemetery in Marshalltown in Marshall County, IA on October 6, 1993.
|
Stegmann, Mike
|
Ducks, Geese, Swans
|
Riverside Cemetery
|
Riverside Cemetary [sic], Marshalltown, Marshall County, Iowa.
|
Man made pond
|
The documentation form by Mike Stegmann is the only one submitted and forms the basis of this record. Other observers include Garry Brandenburg. | Elimination of similar species: Canada Goose and Snow Goose - show characteristics of both species. | The original documentation form event lasted from 13:30:00/16:00:00.
|
Iowa Ornithologists' Union | MS 166
|
32
|
27
|
|
Records Committee review for rare bird sighting of Sabine's Gull at the riverfront of Davenport, 1991
|
Administrative records Clippings (information artifacts) Field notes Photographs
|
Bird watching Ornithology Ornithology--Societies, etc
|
1991-10-13
|
1994-02-27
|
Rare birds documentation form
|
Records Committee review for two Sabine's Gull at the riverfront of Davenport in Scott County, IA on October 13, 1991. Includes a record review document with votes, an article in Meadowlark, excerpts from American Birds, article and front page from Iowa Bird Life, seven photographs, and seven documentation forms submitted to the committee.
|
Peiser, Richard H.
|
Sabine's Gull
|
Davenport
|
Riverfront, Davenport, IA
|
Stone embankment + river
|
The documentation form by Richard H. Peiser forms the basis of this record. Other documentation forms by Thomas H. Kent, Reid Allen, Peter C. Petersen, James Fuller, Randall Pinkston, and Ann Johnson were submitted. Other observers include John King, Dick Tetrault, Tim Schantz, Brian Blevins, Ann Barker, Jim Scheib, Mary Lou Peterson, Babs Padelford, Loren Padelford, Pam Allen, and many unidentified other observers. | Elimination of similar species: The upperwing pattern is so striking as to eliminate other gull species, even in the Juvenile Black hood of adult, slight fork of tail + black band on imm. tail band helped. Yellow tip of bill on adult clincher | The original documentation form event lasted from 14:00:00/18:00:00.
|
Iowa Ornithologists' Union | MS 166
|
11
|
9
|
|
Rare bird documentation form for Bohemian Waxwing at River Heights in north Iowa City, 1978
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1978-01-27
|
1978-01-29
|
Rare birds documentation form
|
Rare bird documentation form for a Bohemian Waxwing at River Heights in north Iowa City in Johnson County, IA on January 27, 1978.
|
Halmi, Nicholas S.
|
Bohemian Waxwing
|
Iowa City
|
River Heights, 4 miles n. of Iowa City (my yard)
|
General: suburban yard Specific: in berry-bearing cranberry bushes
|
The documentation form by Nicholas Halmi is the only one submitted and forms the basis of this record. | Elimination of similar species: Cedar Waxwing | The original documentation form event occurred around 13:20:00.
|
Iowa Ornithologists' Union | MS 166
|
35
|
16
|
|
Rare bird documentation form for Prairie Falcon at Ringgold Wildlife Area, 1988
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1988-04-22
|
1988-06-03
|
Rare birds documentation form
|
Rare bird documentation form for a Prairie Falcon at Ringgold Wildlife Area in Ringgold County, IA on April 22, 1988.
|
Petersen, Peter C.
|
Prairie Falcon
|
Ringgold State Wildlife Area
|
Ringold [sic] Wildlife Area, Ringold [sic] Co. IA
|
Overgrown pasture with scattered wooded areas.
|
The documentation form by Peter C. Petersen is the only one submitted and forms the basis of this record. Other observers include Gil Sandvick. | Elimination of similar species: Peregrine Falcon - would lack black axillaries, facial marking would be darker. Merlin - much smaller, facial markings much less distinct, lacks black axillaries. | The original documentation form event lasted from 18:10:00/18:15:00.
|
Iowa Ornithologists' Union | MS 166
|
33
|
35
|
|
Rare bird documentation form for Northern Goshawk at Rigby Farm in Laurens, 1983
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1983-04-14
|
N/A
|
Rare birds documentation form
|
Rare bird documentation form for a Northern Goshawk at Rigby Farm, Laurens in Pocahontas County, IA on April 14, 1983.
|
Rigby, Joyce
|
Northern Goshawk
|
Laurens
|
Rigby Farm,
|
Farm grove, shrubbry in backyard
|
The documentation form by Joyce Rigby is the only one submitted and forms the basis of this record. Other observers include Dick Rigby. | The original documentation form event lasted from 12:00:00/12:15:00.
|
Iowa Ornithologists' Union | MS 166
|
33
|
25
|
|
Records Committee review for rare bird sighting of Great Cormorant at Rice Lake, 1996
|
Administrative records Field notes
|
Bird watching Ornithology Ornithology--Societies, etc
|
1996-09-08
|
2000-11-22
|
Rare birds documentation form
|
Records Committee review for a Great Cormorant at Rice Lake in Worth County, IA on September 8, 1996. Includes a record review document with votes and two documentation forms submitted to the committee.
|
Bangma, Jim
|
Great Cormorant
|
Rice Lake
|
Rice Lake
|
Lake
|
The documentation form by Jim Bangma is the earliest and the one that forms the basis of this record. Another documentation form by Ann Johnson was submitted later. | Elimination of similar species: Double-crested is smaller, with a much thinner neck. There is a noticeable transition from the thin neck to the larger head. In this bird, there was no noticeable widening from the neck to the head. Additionally, Double-crested has a proportionally much smaller and weaker bill. Double-crested's forehead slopes more evenly into the bill. While these differences may be difficult to see in single birds without comparative experience, in direct comparison they are significant. Additionally, the orange facial skin combines with the gular pouch to accentuate the overall orange color of the face. Other extralimital black cormorants can be ruled out on size alone, additionally, most have thinner necks and smaller bills than even Double-crested. | The original documentation form event lasted from 11:00:00/11:02:00.
|
Iowa Ornithologists' Union | MS 166
|
7
|
13
|
|
Rare bird documentation form for Dunlin at Rice Lake, 1989
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1989-07-16
|
1989-07-22
|
Rare birds documentation form
|
Rare bird documentation form for a Dunlin at Rice Lake in Winnebago County, IA on July 16, 1989.
|
Dinsmore, Stephen J.
|
Dunlin
|
Rice Lake
|
Rice L., Winnebago Co.
|
on large mudflat with other shorebirds
|
The documentation form by Steve Dinsmore is the only one submitted and forms the basis of this record. | Elimination of similar species: The combination of the size, plumage, bill shape and length, and light wing stripe eliminates other shorebirds, especially Red Knot and Curlew Sandpiper. | The original documentation form event lasted from 14:40:00/15:04:00.
|
Iowa Ornithologists' Union | MS 166
|
34
|
24
|