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Rare bird documentation form for Black-legged Kittiwake at Saylorville Reservoir, 1987
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1987-10-25
|
N/A
|
Rare birds documentation form
|
Rare bird documentation form for a Black-legged Kittiwake at Saylorville Reservoir in Polk County, IA on October 25, 1987.
|
Martsching, Paul
|
Black-legged Kittiwake
|
Saylorville Lake
|
Saylorville Reservoir, Polk Co, Iowa
|
|
The documentation form by Paul Martsching is the only one submitted and forms the basis of this record. Other observers include Steve Dinsmore. | Elimination of similar species: Was much larger than immature Little Gull. Sabine's doesn't have black bar on inner half of wings | The original documentation form event lasted from 09:30:00/09:45:00.
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Iowa Ornithologists' Union | MS 166
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34
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40
|
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Rare bird documentation form for Northern Goshawk at Saylorville Reservoir, 1985
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1985-03-10
|
N/A
|
Rare birds documentation form
|
Rare bird documentation form for a Northern Goshawk at Saylorville Reservoir in Polk County, IA on March 10, 1985.
|
Dinsmore, Stephen J.
|
Northern Goshawk
|
Saylorville Lake
|
Saylorville Reservoir, Polk Co.
|
large area of deciduous trees adjacent to reservoir
|
The documentation form by Steve Dinsmore is the only one submitted and forms the basis of this record. | Elimination of similar species: Other accipiters by lack of large size, extensive white above eye on the head and lack of clear gray/white underparts. | The original documentation form event lasted from 16:45:00/16:50:00.
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Iowa Ornithologists' Union | MS 166
|
33
|
25
|
|
Rare bird documentation form for Glaucous Gull at Saylorville Reservoir, 1986
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1986-11-22
|
1986-11-24
|
Rare birds documentation form
|
Rare bird documentation form for a Glaucous Gull at Saylorville Reservoir in Polk County, IA on November 22, 1986.
|
Padelford, Babs Padelford, Loren
|
Glaucous Gull
|
Saylorville Lake
|
Saylorville Reservoir, Polk Co.
|
|
The documentation form by Babs and Loren Padelford is the only one submitted and forms the basis of this record. Other observers include B.J. Rose and Steve Dinsmore. | Elimination of similar species: Much larger than Ring-billed gulls. Bill was also much larger than the bills of the Ring-billed gulls. | The original documentation form event lasted from 14:35:00/14:40:00.
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Iowa Ornithologists' Union | MS 166
|
34
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37
|
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Rare bird documentation form for Lesser Black-backed Gull at Saylorville Reservoir, 1986
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1986-11-29
|
N/A
|
Rare birds documentation form
|
Rare bird documentation form for a Lesser Black-backed Gull at Saylorville Reservoir in Polk County, IA on November 29, 1986.
|
Dinsmore, Stephen J.
|
Lesser Black-backed Gull
|
Saylorville Lake
|
Saylorville Reservoir, Polk Co.
|
sitting on ice above dam
|
The documentation form by Steve Dinsmore is the only one submitted and forms the basis of this record. Other observers include Peter Wickham, Mark Brogie, Barb Wilson, Tanya Bray, and Bery Engebretsen. | Elimination of similar species: Great Black-backed Gull was eliminated by the smaller size, contrast between the wingtips and the rest of the wing, and by the heavy streaking on the head (head should be mostly white on a Great Black-backed Gull). California Gull was eliminated by the darker mantle, darker underwing and dark carpal bar, lack of a dark spot on the bill, and by the dark smudge at the base of the bill (this is characteristic of 3rd summer Lesser Black-backed Gulls and is never present on California Gulls). | The original documentation form event lasted from 10:08:00/12:10:00.
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Iowa Ornithologists' Union | MS 166
|
34
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36
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Rare bird documentation form for Merlin at Saylorville Reservoir, 1984
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1984-09-20
|
N/A
|
Rare birds documentation form
|
Rare bird documentation form for a Merlin at Saylorville Reservoir in Polk County, IA on September 20, 1984.
|
Dinsmore, Stephen J.
|
Merlin
|
Saylorville Lake
|
Saylorville Reservoir, Polk Co.
|
flying through trees right along edge of water
|
The documentation form by Steve Dinsmore is the only one submitted and forms the basis of this record. Other observers include Eric Munson. | Elimination of similar species: Am. Kestrel was eliminated because of the lack of a rusty back, rusty tail and the unbarred undertail. Peregrine and Prairie Falcons eliminated by larger size and lack of strongly barred tail. Sharp-shinned and Cooper's hawks eliminated by the longer tails, lack of strong barring underneath tail, and by the broader, non-painted wings. | The original documentation form event occurred around 17:15:00.
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Iowa Ornithologists' Union | MS 166
|
33
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32
|
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Rare bird documentation form for Northern Goshawk at Saylorville Reservoir, 1986
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1986-11-06
|
1986-11-08
|
Rare birds documentation form
|
Rare bird documentation form for a Northern Goshawk at Saylorville Reservoir in Polk County, IA on November 6, 1986.
|
Dinsmore, Stephen J.
|
Northern Goshawk
|
Saylorville Lake
|
Saylorville Reservoir, Polk Co.
|
flying over dam
|
The documentation form by Steve Dinsmore is the only one submitted and forms the basis of this record. | Elimination of similar species: The larger size, gray underparts, and white undertail coverts eliminate both Sharp-shinned and Cooper's hawks. | The original documentation form event occurred around 14:55:00.
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Iowa Ornithologists' Union | MS 166
|
33
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25
|
|
Rare bird documentation form for Red-necked Grebe at Saylorville Reservoir, 1985
|
Field notes Forms (documents)
|
Birds--Identification Ornithology Rare birds
|
1985-10-26
|
N/A
|
Rare birds documentation form
|
Rare bird documentation form for a Red-necked Grebe at Saylorville Reservoir in Polk County, IA on October 26, 1985.
|
Moore, Francis L.
|
Red-necked Grebe
|
Saylorville Lake
|
Saylorville Reservoir, Polk Co.
|
Open water on Saylorville Reservoir
|
The documentation form by Francis L. Moore is the only one submitted and forms the basis of this record. Other observers include Robert Myers. | Elimination of similar species: Western Grebe's neck is longer and thinner than this bird and is whiter on the front of the neck than this bird. Western's head is not crested toward the back of the head as in this bird. | The original documentation form event lasted from 10:45:00/10:50:00.
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Iowa Ornithologists' Union | MS 166
|
32
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13
|
|
Rare bird documentation form for Long-tailed Duck at Saylorville Reservoir, 1988
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1988-04-29
|
1988-05-03
|
Rare birds documentation form
|
Rare bird documentation form for a Long-tailed Duck at Saylorville Reservoir in Polk County, IA on April 29, 1988.
|
Dinsmore, Stephen J.
|
Long-tailed Duck
|
Saylorville Lake
|
Saylorville Reservoir, Polk Co.
|
swimming with coots and Bonaparte's Gulls on large lake
|
The documentation form by Steve Dinsmore is the only one submitted and forms the basis of this record. Other observers include Eugene Armstrong, Eloise Armstrong, and Bery Engebretsen. | Elimination of similar species: No other duck has the white 'goggle', stubby bill, and dark underwings that this bird showed. | The original documentation form event lasted from 17:13:00/19:05:00.
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Iowa Ornithologists' Union | MS 166
|
33
|
14
|
|
Rare bird documentation form for Long-tailed Duck at Saylorville Reservoir, 1986
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1986-11-10
|
1986-11-13
|
Rare birds documentation form
|
Rare bird documentation form for a Long-tailed Duck at Saylorville Reservoir in Polk County, IA on November 10, 1986.
|
Dinsmore, Stephen J.
|
Long-tailed Duck
|
Saylorville Lake
|
Saylorville Reservoir, Polk Co.
|
large lake
|
The documentation form by Steve Dinsmore is the only one submitted and forms the basis of this record. | Elimination of similar species: No other duck shows this color pattern. | The original documentation form event lasted from 15:45:00/15:55:00.
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Iowa Ornithologists' Union | MS 166
|
33
|
14
|
|
Rare bird documentation form for White-winged Scoter at Saylorville Reservoir, 1986
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1986-10-19
|
1986-10-24
|
Rare birds documentation form
|
Rare bird documentation form for a White-winged Scoter at Saylorville Reservoir in Polk County, IA on October 19, 1986.
|
Dinsmore, Stephen J.
|
White-winged Scoter
|
Saylorville Lake
|
Saylorville Reservoir, Polk Co.
|
large lake
|
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 large size, brown body color, light patches on the cheek, and white wing patch eliminates all other ducks. | The original documentation form event lasted from 16:00:00/16:15:00.
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Iowa Ornithologists' Union | MS 166
|
33
|
12
|
|
Rare bird documentation form for Red-necked Grebe at Saylorville Reservoir, 1986
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1986-11-24
|
1986-11-25
|
Rare birds documentation form
|
Rare bird documentation form for a Red-necked Grebe at Saylorville Reservoir in Polk County, IA on November 24, 1986.
|
Dinsmore, Stephen J.
|
Red-necked Grebe
|
Saylorville Lake
|
Saylorville Reservoir, Polk Co.
|
large lake
|
The documentation form by Steve Dinsmore is the only one submitted and forms the basis of this record. | Elimination of similar species: Western Grebe eliminated by its longer neck, thinner bill, and lack of a white crescent on the cheek. | The original documentation form event lasted from 14:35:00/14:50:00.
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Iowa Ornithologists' Union | MS 166
|
32
|
13
|
|
Rare bird documentation form for Red-necked Grebe at Saylorville Reservoir, 1986
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1986-11-08
|
1986-11-22
|
Rare birds documentation form
|
Rare bird documentation for a Red-necked Grebe at Saylorville Reservoir in Polk County, IA on November 8, 1986.
|
Dinsmore, Stephen J.
|
Red-necked Grebe
|
Saylorville Lake
|
Saylorville Reservoir, Polk Co.
|
large lake
|
The documentation form by Steve Dinsmore is the only one submitted and forms the basis of this record. | Elimination of similar species: The yellow bill, size, and light crescent on the cheek eliminates all other grebes. | The original documentation form event lasted from 12:15:00/12:20:00.
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Iowa Ornithologists' Union | MS 166
|
32
|
13
|
|
Rare bird documentation form for Long-tailed Duck at Saylorville Reservoir, 1986
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1986-11-28
|
N/A
|
Rare birds documentation form
|
Rare bird documentation form for a Long-tailed Duck at Saylorville Reservoir in Polk County, IA on November 28, 1986.
|
Dinsmore, Stephen J.
|
Long-tailed Duck
|
Saylorville Lake
|
Saylorville Reservoir, Polk Co. (near Jester Park)
|
large lake
|
The documentation form by Steve Dinsmore is the only one submitted and forms the basis of this record. | Elimination of similar species: No other duck shows so much white color and a stubby, dark bill. | The original documentation form event lasted from 15:50:00/16:05:00.
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Iowa Ornithologists' Union | MS 166
|
33
|
14
|
|
Rare bird documentation form for Great Black-backed Gull at Saylorville Reservoir, 1986
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1986-11-30
|
1986-12-01
|
Rare birds documentation form
|
Rare bird documentation form for a Great Black-backed Gull at Saylorville Reservoir in Polk County, IA on November 30, 1986 and December 1, 1986.
|
Dinsmore, Stephen J.
|
Great Black-backed Gull
|
Saylorville Lake
|
Saylorville Reservoir, Polk Co. (near visitors center)
|
large reservoir
|
The documentation form by Steve Dinsmore is the only one submitted and forms the basis of this record. Other observers include Paul Martsching. | Elimination of similar species: Second winter Herring Gull eliminated by size, bill size, lack of a gray mantle, lack of streaking on the head and underparts, lack of a window on the upperwing, by the all white tail with a dark band at the tip, and by the very dark underside of the primaries. Second winter Lesser Black-backed Gull eliminated by smaller size, browner uppertail, and heavily streaked head and underparts. | The original documentation form event lasted from 16:00:00/16:15:00 on November 30, 1986 and 15:55:00/16:08:00 on December 1, 1986.
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Iowa Ornithologists' Union | MS 166
|
34
|
38
|
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Rare bird documentation form for Black-crowned Night Heron at Saylorville Reservoir, 1986
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1986-11-02
|
1986-11-16
|
Rare birds documentation form
|
Rare bird documentation form for a Black-crowned Night Heron at Saylorville Reservoir in Polk County, IA on November 2, 1986.
|
Dinsmore, Stephen J.
|
Black-crowned Night Heron
|
Saylorville Lake
|
Saylorville Reservoir, Polk Co. (ponds below dam)
|
sitting in a willow along a pond
|
The documentation form by Steve Dinsmore is the only one submitted and forms the basis of this record. | Elimination of similar species: Yellow-crowned Night Heron was eliminated by the yellowish bill color and the streaking, not spotting, on the underparts. American Bittern was eliminated by size, bill shape, and lack of a black whisker mark. | The original documentation form event lasted from 09:15:00/09:20:00.
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Iowa Ornithologists' Union | MS 166
|
32
|
22
|
|
Rare bird documentation form for Black Scoter at Saylorville Reservoir, 1987
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1987-10-28
|
1987-11-26
|
Rare birds documentation form
|
Rare bird documentation form for five Black Scoters at Saylorville Reservoir in Polk County, IA on October 28, 1987.
|
Dinsmore, Stephen J.
|
Black Scoter
|
Saylorville Lake
|
Saylorville Reservoir, Polk Co.-above dam
|
swimming on large reservoir
|
The documentation form by Steve Dinsmore is the only one submitted and forms the basis of this record. | Elimination of similar species: Other scoters eliminated by the dark wings and distinct throat patch. The orange knob on the male's bill eliminated other scoters. | The original documentation form event lasted from 15:10:00/15:20:00.
|
Iowa Ornithologists' Union | MS 166
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33
|
13
|
|
Rare bird documentation form for Franklin's Gull at Saylorville Reservoir, 1987
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1987-12-02
|
1987-12-04
|
Rare birds documentation form
|
Rare bird documentation form for two Franklin's Gulls at Saylorville Reservoir in Polk County, IA on December 2, 1987.
|
Dinsmore, Stephen J.
|
Franklin's Gull
|
Saylorville Lake
|
Saylorville Reservoir, Polk Co.-above dam
|
resting with other gulls on large reservoir
|
The documentation form by Steve Dinsmore is the only one submitted and forms the basis of this record. | Elimination of similar species: The dark hood and wing pattern eliminate all other gulls except Laughing Gull. The small bill and white bar separating the black wingtip from the rest of the wing eliminates Laughing Gull (in adult plumage). | The original documentation form event lasted from 15:40:00/16:30:00.
|
Iowa Ornithologists' Union | MS 166
|
34
|
32
|
|
Rare bird documentation form for Red-necked Grebe at Saylorville Reservoir, 1987
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1987-11-01
|
1987-11-05
|
Rare birds documentation form
|
Rare bird documentation form for a Red-necked Grebe at Saylorville Reservoir in Polk County, IA on November 1, 1987.
|
Dinsmore, Stephen J.
|
Red-necked Grebe
|
Saylorville Lake
|
Saylorville Reservoir, Polk Co.-above dam
|
resting on large reservoir
|
The documentation form by Steve Dinsmore is the only one submitted and forms the basis of this record. Other observers include Bery Engebretsen. | Elimination of similar species: The size and shape eliminates loons and all other grebes except Western Grebe. The bill shape, light mark on the cheek, and the position of the wing patch eliminates Western Grebe. | The original documentation form event lasted from 09:30:00/09:40:00.
|
Iowa Ornithologists' Union | MS 166
|
32
|
13
|
|
Rare bird documentation form for Prairie Falcon at Saylorville Reservoir, 1988
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1988-10-14
|
1988-10-16
|
Rare birds documentation form
|
Rare bird documentation form for a Prairie Falcon at Saylorville Reservoir in Polk County, IA on October 14, 1988.
|
Dinsmore, Stephen J.
|
Prairie Falcon
|
Jester Park Saylorville Lake
|
Saylorville Reservoir, Polk Co.-along river channel north of Jester Park
|
flying back and forth along river channel
|
The documentation form by Steve Dinsmore is the only one submitted and forms the basis of this record. Other observers include Bery Engebretsen. | Elimination of similar species: The large size, wing shape, and dark axillaries eliminates all other falcons. | The original documentation form event lasted from 09:25:00/09:36:00.
|
Iowa Ornithologists' Union | MS 166
|
33
|
35
|
|
Rare bird documentation form for Franklin's Gull at Saylorville Reservoir, 1991
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1991-02-01
|
N/A
|
Rare birds documentation form
|
Rare bird documentation form for a Franklin's Gull at Saylorville Reservoir in Polk County, IA on February 1, 1991.
|
Dinsmore, Stephen J.
|
Franklin's Gull
|
Saylorville Lake
|
Saylorville Reservoir, Polk Co.-at spillway below dam
|
|
The documentation form by Stephen J. Dinsmore is the only one submitted and forms the basis of this record. | Elimination of similar species: The dark gray wings separated from the black wingtip by a white bar, broad white eye crescents, stocky bill lacking a pronounced gonys and rounder wings eliminate Laughing Gull. The combination of the black head and dark gray mantle eliminates other dark-headed gulls such as Bonaparte's and Common Black-headed gulls. | The original documentation form event lasted from 16:10:00/17:20:00.
|
Iowa Ornithologists' Union | MS 166
|
34
|
32
|
|
Rare bird documentation form for White-faced Ibis at Saylorville Reservoir, 1987
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1987-08-08
|
1987-08-09
|
Rare birds documentation form
|
Rare bird documentation form for a White-faced Ibis at Oak Grove Beach in Saylorville Reservoir in Polk County, IA on August 8, 1987.
|
Dinsmore, Stephen J.
|
White-faced Ibis
|
Saylorville Lake
|
Saylorville Reservoir, Polk CO.-Oak Grove Beach
|
landed briefly with gulls and terns on sandy beach
|
The documentation form by Steve Dinsmore is the only one submitted and forms the basis of this record. | Elimination of similar species: The complete white border around the base of the bill and the reddish legs eliminate the similar Glossy Ibis. | The original documentation form event lasted from 11:32:00/11:36:00.
|
Iowa Ornithologists' Union | MS 166
|
32
|
25
|
|
Rare bird documentation form for Least Sandpiper at Oak Grove Beach at Saylorville Reservoir, 1990
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1990-12-02
|
N/A
|
Rare birds documentation form
|
Rare bird documentation form for a Least Sandpiper at Oak Grove Beach at Saylorville Reservoir in Polk County, IA on December 2, 1990.
|
Dinsmore, Stephen J.
|
Least Sandpiper
|
Oak Grove Recreation Area
|
Saylorville Reservoir, Polk Co.-Oak Grove Beach
|
|
The documentation form by Stephen J. Dinsmore is the only one submitted and forms the basis of this record. | Elimination of similar species: The extremely small size easily identified the bird as a small sandpiper (peep sp.). The short, needle-like bill, dull, yellow-green legs, and very small size eliminates other peeps. | The original documentation form event lasted from 09:05:00/09:20:00.
|
Iowa Ornithologists' Union | MS 166
|
34
|
19
|
|
Rare bird documentation form for Dunlin at Oak Grove Beach at Saylorville Reservoir, 1990
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1990-12-02
|
N/A
|
Rare birds documentation form
|
Rare bird documentation form for six Dunlins at Oak Grove Beach at Saylorville Reservoir in Polk County, IA on December 2, 1990.
|
Dinsmore, Stephen J.
|
Dunlin
|
Oak Grove Recreation Area
|
Saylorville Reservoir, Polk Co.-Oak Grove Beach
|
|
The documentation form by Stephen J. Dinsmore is the only one submitted and forms the basis of this record. | Elimination of similar species: The gray and white color, bill size and shape, leg color, and wing and tail pattern eliminates all other shorebirds, especially Red Knot(basic plumage), Purple Sandpiper, and Sanderling. | The original documentation form event lasted from 09:05:00/09:20:00.
|
Iowa Ornithologists' Union | MS 166
|
34
|
24
|
|
Rare bird documentation form for Black Scoter at Saylorville Reservoir, 1987
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1987-10-25
|
N/A
|
Rare birds documentation form
|
Rare bird documentation form for two Black Scoters at Saylorville Reservoir in Polk County, IA on October 25, 1987.
|
Dinsmore, Stephen J.
|
Black Scoter
|
Saylorville Lake
|
Saylorville Reservoir, Polk Co.-off Jester Park
|
swimming with other ducks on large reservoir
|
The documentation form by Steve Dinsmore is the only one submitted and forms the basis of this record. Other observers include Andrew S. Fix and Paul Martsching. | Elimination of similar species: Other scoters eliminated by the dark wings and the distinct throat patch. | The original documentation form event lasted from 12:30:00/12:50:00.
|
Iowa Ornithologists' Union | MS 166
|
33
|
13
|
|
Rare bird documentation form for Great Black-backed Gull at Saylorville Reservoir, 1987
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1987-11-07
|
1987-11-26
|
Rare birds documentation form
|
Rare bird documentation form for a Great Black-backed Gull at Saylorville Reservoir in Polk County, IA on November 7, 1987.
|
Dinsmore, Stephen J.
|
Great Black-backed Gull
|
Saylorville Lake
|
Saylorville Reservoir, Polk Co.-off Jester Park
|
feeding with other gulls on large reservoir
|
The documentation form by Steve Dinsmore is the only one submitted and forms the basis of this record. Other observers include Andrew S. Fix. | Elimination of similar species: The large size and dark wingtips eliminates all gulls except Western and Yellow-footed. The massive, dark bill, tail pattern, and pale body color eliminates these. | The original documentation form event lasted from 10:15:00/10:20:00.
|
Iowa Ornithologists' Union | MS 166
|
34
|
38
|