Rare bird documentation form for Peregrine Falcon at Ames, 1985
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Field notes
|
Birds--Identification Ornithology Rare birds
|
1985-09-18
|
1985-09-19
|
Rare birds documentation form
|
Rare bird documentation form for a Peregrine Falcon at Ames in Story County, IA on September 18, 1985.
|
Dinsmore, Stephen J.
|
Peregrine Falcon
|
Ames
|
Ames, Story County
|
flying over town
|
The documentation form by Steve Dinsmore is the only one submitted and forms the basis of this record. | Elimination of similar species: Am. Kestrel was eliminated by the lack of evident rufous color on tail or back. Both Am. Kestrel and Merlin were eliminated by size. The bird appeared to be the size of a crow, which is too large for either of these. | The original documentation form event occurred at 07:00:00.
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34
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Rare bird documentation form for Peregrine Falcon at McFarland Park, 1984
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1984-09-15
|
N/A
|
Rare birds documentation form
|
Rare bird documentation form for a Peregrine Falcon at McFarland Park in Story County, IA on September 15, 1984.
|
Dinsmore, Stephen J.
|
Peregrine Falcon
|
McFarland Lake Park
|
McFarland Park, Story Co.
|
flying south with other hawks over woods near a river
|
The documentation form by Steve Dinsmore is the only one submitted and forms the basis of this record. Other observers include Hank Zaletel and Erik Munson. | Elimination of similar species: Merlin was eliminated because of smaller size and lack of black hood. Accipiter sp. eliminated because of wing shape and lack of dark color on head or a hood. Prairie Falcon eliminated because of overall brown rather than black appearance and lack of black hood. | The original documentation form event occurred at approximately 10:00:00.
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34
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Rare bird documentation form for Merlin at Saylorville Reservoir, 1984
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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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32
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Rare bird documentation form for Forster's Tern at Coralville Reservoir, 1983
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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.
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43
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Rare bird documentation form for Black-billed Magpie at Hitchcock Wildlife Area near Crescent, 1999
|
Correspondence Field notes
|
Birds--Identification Ornithology Rare birds
|
1999-09-27
|
1999-10-11
|
Rare birds documentation form
|
Rare bird documentation form for a Black-billed Magpie at Hitchcock Wildlife Area near Crescent in Pottawattamie County, IA on September 27, 1999. It is accompanied by an e-mail from Sue Mattix to James Fuller dated September 28, 1999 regarding the bird sighting.
|
Mattix, Sue
|
Black-billed Magpie
|
Hitchcock Nature Area
|
Hitchcock Wildlife Area, Crescent, IA
|
forest
|
The documentation form by Sue Mattix is the only one submitted and forms the basis of this record. Other observers include Howard Mattix. | Elimination of similar species: Only similar species would be yellow billed magpie - this one had a black bill | The original documentation form event lasted from 17:00:00/18:00:00.
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83
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Rare bird documentation form for Common Barn Owl at Smith's Slough, 1988
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Field notes
|
Birds--Identification Ornithology Rare birds
|
1988-10-16
|
1988-10-18
|
Rare birds documentation form
|
Rare bird documentation form for a Common Barn Owl at Smith's Slough in Clay County, IA on October 16, 1988.
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Kanago, Dixie
|
Barn Owl
|
Smiths Slough
|
Smith's Slough - clay [sic] County - Dewey Pasture Area
|
Forest-edge-slough near by lake within 1/4 mi.
|
The documentation form by Dixie Kanago is the only one submitted and forms the basis of this record. Other observers include Judy Knight, Alice Kehoe, and Wayne Souer. | Elimination of similar species: [...] An owl - larger than screech - but smaller than gt. horned owl. | The original documentation form event lasted from 17:30:00/18:00:00.
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48
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Rare bird documentation form for Summer Tanager at Nezekaw Point, 1996
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Field notes
|
Birds--Identification Ornithology Rare birds
|
1996-05-11
|
1996-05-15
|
Rare birds documentation form
|
Rare bird documentation form for a Summer Tanager at Nezekaw Point in Allamakee County, IA on May 11, 1996.
|
Dankert, Jeffrey B.
|
Summer Tanager
|
Nezekaw Point
|
Allamakee Co. S of Yellow River, along HWY 76, (label on topo map: "Nezekaw Point"
|
Forest, Upland, Oak-Hickory
|
The documentation form by Jeff Dankert is the only one submitted and forms the basis of this record. Other observers include Fred Lesher and Brian Collins. | Elimination of similar species: It lacked the black wings of the scarlet tanager (in any plumage) and also the dark tail of the scarlet. It lacked the wing bars and bill of a female Baltimore Oriole. Its bill and crown were unlike that of a female cardinal. | The original documentation form event occurred around 13:00:00.
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44
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Rare bird documentation form for Northern Goshawk at Allamakee County, 1982
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Field notes
|
Birds--Identification Ornithology Rare birds
|
1982-11-21
|
1982-11-23
|
Rare birds documentation form
|
Rare bird documentation form for a Northern Goshawk at Allamakee County, IA on November 21, 1982.
|
Moore, Francis L.
|
Northern Goshawk
|
Allamakee County
|
N.E. Allamakee County, Iowa
|
Forested Ridges and bluffs along and to west of upper Mississippi River in Iowa
|
The documentation form by Francis L. Moore is the only one submitted and forms the basis of this record. Other observers include John Robinson. | Elimination of similar species: Coopers Hawk would appear more brown on the back and wings with a brownish tinge to the belly. Cooper's Hawk does not have the fluffy white undertail coverts or the white eye stripe as seen on this bird. | The original documentation form event occurred around 10:00:00/10:01:00.
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25
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Rare bird documentation form for Black Duck at Forneys Lake, 1975
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Field notes
|
Birds--Identification Ornithology Rare birds
|
1975-11-16
|
1975-12-05
|
Rare birds documentation form
|
Rare bird documentation form for a Black Duck at Forneys Lake in Fremont County, IA on November 16, 1975.
|
Silcock, W. Ross
|
American Black Duck
|
Forneys Lake
|
Forney Lake, Fremont Co., Iowa
|
Forney Lake is a wetland area and small lake of about 5 acres which attracts numerous waterfowl in spring and fall.
|
The documentation form by W. Ross Silcock is the only one submitted and forms the basis of this record. | Elimination of similar species: The only similarly - appearing species remotely possible here would be the Mottled Duck, which I have seen in Louisiana. The Mottled Duck has a much cleaner) cut appearance than the Black Duck and if at all to be expected, would be more likely in the spring. | The original documentation form event lasted from 10:15:00/10:45:00.
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4
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Rare bird documentation form for Ross' Goose at Forneys Lake, 1984
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Field notes Forms (documents)
|
Birds--Identification Ornithology Rare birds
|
1984-03-25
|
N/A
|
Rare birds documentation form
|
Rare bird documentation form for three Ross' Geese at Forneys Lake in Fremont County, IA on March 25, 1984.
|
Petersen, Peter C.
|
Ross' Goose
|
Forneys Lake
|
Forney's Lake
|
Forneys Lake, W. end of lake, away from s. shore
|
The documentation form by Peter C. Petersen is the only one submitted and forms the basis of this record. Other observers include Paul Johnsgard, Lewis Blevins, Corey Blevins, Brian Blevins, Joe Schaufenbuel, and Stephen Dinsmore. | Elimination of similar species: Bird 1 much smaller size separates from Snow Geese flying with it. Bird 2 & 3 - small size, bill entirely pink and blue area at base separates from accompanying Snow Geese. | The original documentation form event occurred around 13:00:00 for first bird and 13:15:00/13:20:00 for 2nd and 3rd birds.
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28
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Rare bird documentation form for Yellow Rail at Ames, 1983
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1983-04-13
|
N/A
|
Rare birds documentation form
|
Rare bird documentation form for a Yellow Rail at Ames in Story County, IA on April 13, 1983.
|
Dinsmore, Stephen J.
|
Yellow Rail
|
Ames
|
W. Ames, Ia.
|
found grounded after storm on sheltered side of apt. building - on walk way
|
The documentation form by Steve Dinsmore is the only one submitted and forms the basis of this record. Other observers include Kraig Downs, James Dinsmore, and Mark Dinsmore. | Elimination of similar species: Sora - no white wing patch and larger in size. Virginia Rail - longer bill and darker color. | The original documentation form event lasted from 06:00:00/06:30:00.
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39
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Rare bird documentation form for Greater Scaup at Coralville Reservoir, 1977
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1977-03-22
|
N/A
|
Rare birds documentation form
|
Rare bird documentation form for a Greater Scaup at Coralville Reservoir in Johnson County, IA on March 22, 1977.
|
Halmi, Nicholas S.
|
Greater Scaup
|
Coralville Lake
|
Coralville Reservoir, Johnson Co., about 1/2 mile above dam
|
fresg\h water - reservoir lake
|
The documentation form by Nicholas S. Halmi is the only one submitted and forms the basis of this record. | Elimination of similar species: Lesser Scaups (several in same scope field): contrast in head shape, bill size, neck thickness clear; some of Lesser Scaups in vicinity had grayish smudged flanks rather than pure white of Greater Scaup. | The original documentation form event lasted from 16:20:00/16:35:00.
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10
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Rare bird documentation form for Western Grebe at Ruthven, 1979
|
Field notes Forms (documents)
|
Ornithology Rare birds
|
1979-06-15
|
1979-06-18
|
Rare birds documentation form
|
Rare bird documentation for a Western Grebe at Ruthven at Palo Alto County, IA on June 15, 1979.
|
Dinsmore, James J.
|
Western Grebe
|
Mud Lake
|
Mud Lake, 4 mi. N of Ruthven, Iowa
|
fresh water lake in open water
|
The documentation form by James Dinsmore is the only one submitted and forms the basis of this record. Other observers include Steve and Mark Dinsmore. | Elimination of similar species: Common Loon. This bird was no big enough, neck was too long and bill too thin for winter plumage loon. | The original documentation form event lasted from 15:00:00/15:30:00.
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15
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Rare bird documentation form for Surf Scoter at Little Wall Lake, 1978
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1978-11-18
|
1978-11-21
|
Rare birds documentation form
|
Rare bird documentation form for a Surf Scoter at Little Wall Lake in Hamilton County, IA on November 18, 1978.
|
Dinsmore, James J.
|
Surf Scoter
|
Little Wall Lake
|
Little Wall Lake, Hamilton County, Iowa
|
fresh water lake, open water near center of lake
|
The documentation form by James Dinsmore is the only one submitted and forms the basis of this record. Other observers include Mark and Steve Dinsmore. | Elimination of similar species: Most ducks - general dark color and the heavy bill. White-winged Scoter-no white on wing. Black Scoter-head not 'two-toned' (dark above, light below). | The original documentation form event lasted from 11:00:00/11:15:00.
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11
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Rare bird documentation form for Red-throated Loon at Saylorville Reservoir, 1999
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1999-11-07
|
N/A
|
Rare birds documentation form
|
Rare bird documentation form for two Red-throated Loons at Saylorville Reservoir in Polk County, IA on November 7, 1999.
|
Dinsmore, James J.
|
Red-throated Loon
|
Saylorville Dam
|
Saylorville Reservoir, off of west end of dam
|
freshwater lake
|
The documentation form by Jim Dinsmore is the only one submitted and forms the basis of this record. Other observers include Bery Engebretsen and Dennis Thompson. | Elimination of similar species: I spent a long time puzzling over these birds, both in the field and later when I had several references to consult. None of the guides I looked at showed a bird that looked like these. Common (a small one): removed on the basis of size (birds too small for Common Loon), the thinner and bicolored bill, and the color pattern on the neck. At this time of year, all of the Common Loons I have seen (and saw on Saylorville that day) were distinctly white on the front of the neck with some partial bands of brown extending back in to the white. Pacific Loon: Eliminated on behavior (head posture), lack of a distinct dark/white line along the side of the neck, lack of chin straps across neck, and presence of brown on front of neck. Also the gray/brown contrast between neck and back would point away from Pacific but not eliminate it. Red-throated Loon: This is what I first thought the birds were but as I viewed them, I convinced myself several times that they were Pacific Loons. However, the combination of characters listed above seem to eliminate the other two possible species and also are positive characters for the Red-throated Loon. One character that puzzled me was the size of the bill. At least some of the guides (Advanced Birding esp) show the Red-throated Loon as having a tiny bill, much smaller than on this bird but those illustrations do not match those in other guides which emphasize more the shape of the bill than the size. | The original documentation form event lasted from 07:45:00/08:45:00.
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8
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Rare bird documentation form for Cinnamon Teal at Anderson Lake, 1986
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1986-03-31
|
1986-04-02
|
Rare birds documentation form
|
Rare bird documentation form for a Cinnamon Teal at Anderson Lake in Hamilton County, IA on March 31, 1986.
|
Dinsmore, James J.
|
Cinnamon Teal
|
Anderson Goose Lake
|
Anderson Lake, Hamilton County
|
freshwater marsh
|
The documentation form by Jim Dinsmore is the only one submitted and forms the basis of this record. Other observers include Steve Dinsmore and Jack Holloway. | Elimination of similar species: nothing else shows this color pattern that I am aware of. | The original documentation form event occurred around 11:00:00.
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6
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Rare bird documentation form for Great-tailed Grackle at Finn Pond in Greene County, 1984
|
Field notes
|
Birds--Identification Birds--Nests Ornithology Rare birds
|
1984-05-31
|
1984-06-04
|
Rare birds documentation form
|
Rare bird documentation form for six Great-tailed Grackles at Finn Pond in Greene County, IA on May 31, 1984.
|
Dinsmore, James J.
|
Great-tailed Grackle
|
Finn Pond Wildlife Area
|
Finn Pond (2 miles west of Jefferson, Greene Co)
|
freshwater marsh
|
The documentation form by Jim Dinsmore is the only one submitted and forms the basis of this record. Other observers include Mike Brown. | Elimination of similar species: Common Grackle-size Boat-tailed Grackle- range and eye color | The original documentation form event lasted from 08:15:00/08:30:00.
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77
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Rare bird documentation form for Thayer's Gull at Cone Marsh, 1983
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1983-02-27
|
N/A
|
Rare birds documentation form
|
Rare bird documentation form for a Thayer's Gull at Cone Marsh in Louisa County, IA on February 27, 1983.
|
Newlon, Michael C.
|
Thayer's Gull
|
Cone Marsh Wildlife Management Area
|
NE side Cone Marsh Louisa Co IA
|
freshwater marsh with considerable open water
|
The documentation form by Michael Newlon is the only one submitted and forms the basis of this record. Other observers include Carol S. Newlon. | Elimination of similar species: proportions, uniformly pale primaries would rule out herring; size/build rules out imm. glaucous. Bill much less heavy than imm. glaucous-winged. Remaining question is whether this bird is (over) a Thayer's Gull or a Kumlien's gull, presently considered separate species but widely suspected of being conspecific. Thayer's is extremely variable, and the limits of its variability are not well known, especially for imm. plumages. [Dwight says of his series of ad. thayeri, 'no two are alike'. It seems probable that there is clinal variation from west to east (thayeri - kumliesi [sic] - nominate glaucoides) and even possible that thayeri interbreeds with argenlatus at the western end of its range.] In addition several plumage descriptions in the literature may be assigned to birds of [illegible] age. Be that as it may: L. glaucoides glaucoides is supposed to have pale warm-brown primaries as a 1-W & paler, nearly whitish areas as a 2-W (though photos in grant's [sic] book show one 2-W with pale-brown primaries concolor with coverts). L. glaucoides kumlieni (in Dwight's plates) is assigned v. pale primaries as a 1-W, with slightly darker outer webs; would look uniform pale grey at any distance. His 2-W has darker primaries, again with slightly darker outer webs [I suspect these assignments should be reversed.] L. thayeri in published description is supposed to have darker primaries still, though not so dark as those of imm. Herring gulls, and lacking contrast with mantle. However some west coast thayeri-type gulls are very pale - though their back color is grey-brown rather than the warmer pale tan of L. glaucoides. (It is possible that these are really kumlieni but little data exists.) It is the similarity of the Cone Marsh Bird to one I photographed in Cal. that convinced me to classify it as thayeri - though kumleni cannot be unequivocally ruled out | The original documentation form event lasted from 11:10:00/12:30:00.
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35
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Rare bird documentation form for Northern Goshawk at Sweet Marsh, 1984
|
Field notes
|
Birds--Identification Ornithology--Societies, etc Rare birds
|
1984-02-15
|
1984-02-16
|
Rare birds documentation form
|
Rare bird documentation form for a Northern Goshawk at Sweet Marsh in Bremer County, IA on February 15, 1984.
|
Proescholdt, Beth
|
Northern Goshawk
|
Sweet Marsh
|
northeast Bremer Co, road just east of Sweet Marsh
|
from trees along marsh, over farmland
|
The documentation form by Beth Proescholdt is the only one submitted and forms the basis of this record. Other observers include Mark Proescholdt and Bob Myers. | Elimination of similar species: Cooper's Hawk - too large for that; other hawk (buteos or harrier) - not that because of accipiter shape + flight. | The original documentation form event lasted from 13:08:00/13:12:00.
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Iowa Ornithologists' Union | MS 166
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25
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Rare bird documentation form for Lesser Black-backed Gull at Lock and Dam 15, 1992
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1992-01-17
|
N/A
|
Rare birds documentation form
|
Rare bird documentation form for a Lesser Black-backed Gull at Lock and Dam 15 in Davenport in Scott County, IA on January 17, 1992.
|
Kent, Thomas H. (Thomas Hugh), 1934-
|
Lesser Black-backed Gull
|
Lock and Dam 15
|
Above Lock + Dam 15, Davenport, IA
|
Frozen river
|
The documentation form by Thomas H. Kent is the only one submitted and forms the basis of this record. Other observers include Jim Fuller. | Elimination of similar species: Size and leg color eliminate other dark mantled gulls. | The original documentation form event lasted from 13:30:00/14:30:00.
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Iowa Ornithologists' Union | MS 166
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36
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Rare bird documentation form for Osprey at Coralville Reservoir, 1978
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1978-12-16
|
1978-12-25
|
Rare birds documentation form
|
Rare bird documentation form for a Osprey at Coralville Reservoir in Johnson County, IA on December 16, 1978.
|
Staudt, Thomas J.
|
Osprey
|
Coralville Lake
|
Coralville Reservoir, Swan Lake
|
Frozen shallow lake within a mile of open water, perched in tree over frozen lake, marsh
|
The documentation form by Thomas J. Staudt is the only one submitted and forms the basis of this record. Other observers include Carol Newlon as well as Mr. and Mrs. Brown. | Elimination of similar species: it was too small for a bald eagle. The light banding on tail, white top of head and solid white underbelly eliminate the red-tailed hawk. no white rump seen in flight so not likely to be marsh hawk. Again, the wingshape, long pointed not rounded eliminates any Buteo. | The original documentation form event lasted from 08:15:00/08:45:00.
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Iowa Ornithologists' Union | MS 166
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19
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Rare bird documentation form for Say's Phoebe southeast of Missouri Valley, 1978
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1978-08-25
|
N/A
|
Rare birds documentation form
|
Rare bird documentation form for two Say's Phoebes southeast of Missouri Valley in Harrison County, IA on August 25, 1978.
|
Gochenour, Ruth A.
|
Say's Phoebe
|
Missouri Valley
|
S.E. of Missouri Valley, Iowa. Boyer River bridge on County Road F66. Harrison County.
|
General--river. Specific--small willow and other small trees and rather high grasses along the river dike. The bird was first observed in this habitat from the river bridge.
|
The documentation form by Ruth Gochenour is the only one submitted and forms the basis of this record. Other observers include Ardyth Newberry. | Elimination of similar species: The female Vernillion [sic] flycatcher--streaking was absent. | The original documentation form event lasted from 10:00:00/11:30:00.
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Iowa Ornithologists' Union | MS 166
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70
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Rare bird documentation form for Clay-colored Sparrow at Volga River State Recreation Area, 1981
|
Field notes
|
Birds--Behavior Birds--Identification Birdsongs Ornithology Rare birds
|
1981-07-11
|
1981-07-26
|
Rare birds documentation form
|
Rare bird documentation form for a Clay-colored Sparrow at Volga River State Recreation Area in Fayette County, IA on July 11, 1981.
|
Myers, Robert K.
|
Clay-colored Sparrow
|
Volga River State Recreation Area
|
Volga River Rec. Area
|
General: a clearing in otherwise quite dense woods along old road Specific: 1 cedar tree in opening and many sumacs and other short (10') trees
|
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: The only real probable problem is the imm. chipping sparrow but song + brown rump ruled this out. | The original documentation form event lasted from 07:00:00/07:15:00.
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50
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Rare bird documentation form for Townsend's Solitaire north of Redfield, 1981
|
Field notes
|
Birds--Identification Ornithology Rare birds
|
1981-03-29
|
N/A
|
Rare birds documentation form
|
Rare bird documentation form for a Townsend's Solitaire north of Redfield in Dallas County, IA on March 29, 1981.
|
Cummins, Raymond L.
|
Townsend's Solitaire
|
Redfield
|
1 1/2 mile north of Redfield, Iowa
|
General: a deep ravine with a small decidious [sic] bottom land lined with 200 yds of dense red cedar growth on both sides. Specific: small decidous [sic] tree in bottom
|
The documentation form by Raymond Cummins is the only one submitted and forms the basis of this record. Other observers include Alan Cummins. | Elimination of similar species: Catbird - to [sic] dark - lacks eye ring Blackbird - to [sic] dark - to [sic] chunky - eye ring to [sic] small Phoebe - breast to light - lacks eye ring Mockingbird - to [sic] large - has white wing bars - no eye ring - light breast | The original documentation form event lasted from 10:30:00/10:31:00.
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Iowa Ornithologists' Union | MS 166
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5
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Rare bird documentation form for Townsend's Solitaire near Highlandville, 1978
|
Field notes
|
Birds--Identification Birdsongs Ornithology Rare birds
|
1978-01-15
|
N/A
|
Rare birds documentation form
|
Rare bird documentation form for a Townsend's Solitaire near Highlandville in Winneshiek County, IA on January 15, 1978.
|
Schaufenbuel, Joseph P.
|
Townsend's Solitaire
|
Highlandville
|
Near Highlandville (Ten miles N.E. of Decorah) along Upper Iowa River.
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General: A river bluff with a Southern exposure, covered by Prairie grass; Junipers. Specific: scattered Junipers (1 to 4 meters tall) on dry, rocky slope.
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The documentation form by Joe Schaufenbuel is the only one submitted and forms the basis of this record. Other observers include Paul Dietzenbach, Mark Dietzenbach, and Darwin Koenig. | Elimination of similar species: Mockingbird: Had no large patches of white, eye color was dark not yellow. Shrike species: Had no mask or other dark facial pattern, bill different. Grey Catbird: Had white in tail and eye ring. Shape differed also. | The original documentation form event lasted from 09:45:00/11:00:00.
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Iowa Ornithologists' Union | MS 166
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35
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5
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