Documents • Iowa State University • Avian Archives of Iowa Online

Title	Genres	Topics	Date (Start)	Date (End)	Type	Description	Creator/Author	Birds	Locations	Locality	Habitat	Remarks

Rare bird documentation form for Northern Goshawk at Sweet Marsh, 1983	Field notes	Birds--Identification Ornithology Rare birds	1983-11-11	1983-11-25	Rare birds documentation form	Rare bird documentation form for a Northern Goshawk at Sweet Marsh in Bremer County, IA on November 11, 1983.	Myers, Robert K.	Northern Goshawk	Sweet Marsh	Sweet Marsh - Bremer Co.	Evergreen Grove	The documentation form by Robert K. Myers is the only one submitted and forms the basis of this record. \| Elimination of similar species: Imm. Cooper's. \| The original documentation form event lasted from 09:30:00/09:31:00.	Iowa Ornithologists' Union \| MS 166	33	25
Rare bird documentation form for Sandhill Crane at Sweet Marsh, 1983	Field notes	Birds--Identification Ornithology Rare birds	1983-05-06	1983-05-07	Rare birds documentation form	Rare bird documentation form for a Sandhill Crane at Sweet Marsh in Bremer County, IA on May 6, 1983.	Myers, Robert K.	Sandhill Crane	Sweet Marsh	Sweet Marsh - Bremer Co.	marsh	The documentation form by Robert K. Myers is the only one submitted and forms the basis of this record. \| Elimination of similar species: Great blue herons don't fly with neck extended, do not give the call I heard and have entirely different plumage. \| The original documentation form event lasted from 11:00:00/11:10:00.	Iowa Ornithologists' Union \| MS 166	34	1
Rare bird documentation form for Merlin at Sweet Marsh, 1983	Field notes	Birds--Identification Ornithology Rare birds	1983-04-16	1983-04-17	Rare birds documentation form	Rare bird documentation form for a Merlin at Sweet Marsh in Bremer County, IA on April 16, 1983.	Myers, Robert K.	Merlin	Sweet Marsh	Sweet Marsh - Bremer Co.	Brushy edge and open field along east side of marsh	The documentation form by Robert K. Myers is the only one submitted and forms the basis of this record. Other observers include Francis Moore and Russell Hays. \| Elimination of similar species: American Kestrel would show reddish back and tail and would not show the heavy bands on tail. \| The original documentation form event lasted from 09:25:00/09:30:00.	Iowa Ornithologists' Union \| MS 166	33	32
Rare bird documentation form for Merlin at Sweet Marsh, 1984	Field notes	Birds--Identification Ornithology Rare birds	1984-04-21	1984-05-28	Rare birds documentation form	Rare bird documentation form for a Merlin at Sweet Marsh in Bremer County, IA on April 21, 1984.	Myers, Robert K.	Merlin	Sweet Marsh	Sweet Marsh - Bremer Co. (east side)	Extensive marshy area - Dike separated 2 shallow pools.	The documentation form by Robert K. Myers is the only one submitted and forms the basis of this record. Other observers include Russell Hays. \| Elimination of similar species: Bird was too dark for Kestrel and too small for Peregrine. \| The original documentation form event lasted from 10:30:00/10:31:00.	Iowa Ornithologists' Union \| MS 166	33	32
Rare bird documentation form for Merlin at Sweet Marsh, 1985	Field notes	Birds--Identification Ornithology Rare birds	1985-09-16	1985-09-18	Rare birds documentation form	Rare bird documentation form for two Merlins at Sweet Marsh in Bremer County, IA on September 16, 1985.	Myers, Robert K.	Merlin	Sweet Marsh	Sweet Marsh - Bremer County	Marsh - Wooded edge and perching on stickups in marsh	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: Too small for Peregrine and wrong color pattern for Kestrel. \| The original documentation form event lasted from 09:00:00/11:00:00.	Iowa Ornithologists' Union \| MS 166	33	32
Rare bird documentation form for Northern Goshawk at Sweet Marsh, 1982	Field notes	Birds--Identification Ornithology Rare birds	1982-04-10	1982-04-17	Rare birds documentation form	Rare bird documentation form for a Northern Goshawk at Sweet Marsh in Bremer County, IA on April 10, 1982.	Myers, Robert K.	Northern Goshawk	Sweet Marsh	Sweet Marsh - Bremer County	Edge of timber bordering the marsh	The documentation form by Robert K. Myers is the only one submitted and forms the basis of this record. Other observers include Francis Moore and Russell Hays. \| Elimination of similar species: Cooper's Hawk was eliminated by color - bird was dark blue-gray above and clear light gray, not streaked or reddish, below. Bird also had broad eye stripe. \| The original documentation form event lasted from 09:00:00/09:05:00.	Iowa Ornithologists' Union \| MS 166	33	25
Rare bird documentation form for Northern Goshawk at Sweet Marsh, 1981	Field notes	Birds--Identification Ornithology Rare birds	1981-12-19	1981-12-26	Rare birds documentation form	Rare bird documentation form for a Northern Goshawk at Sweet Marsh in Bremer County, IA on December 19, 1981.	Myers, Robert K.	Northern Goshawk	Sweet Marsh	Sweet Marsh (Bremer County)	River bottom Timber at south edge of marsh	The documentation form by Robert K. Myers is the only one submitted and forms the basis of this record. Other observers include Russell Hays, Eleanor Corvin, and Antoinette Camarata. \| Elimination of similar species: The shape + size made the choice either goshawk or coopers hawk and the white crescent over the eye made the choice goshawk. \| The original documentation form event lasted from 12:30:00/12:30:00.	Iowa Ornithologists' Union \| MS 166	33	25
Rare bird documentation form for Red-shouldered Hawk at Sweet Marsh, 1981	Field notes	Birds--Identification Ornithology Rare birds	1981-12-19	1981-12-26	Rare birds documentation form	Rare bird documentation form for a Red-shouldered Hawk at Sweet Marsh in Bremer County, IA on December 19, 1981.	Myers, Robert K.	Red-shouldered Hawk	Sweet Marsh	Sweet Marsh (south side), Bremer County	River bottom timber along Wapsipinicon River	The documentation form by Robert K. Myers is the only one submitted and forms the basis of this record. Other observers include Bill Watson. \| Elimination of similar species: Broad-winged Hawk has banded tail but sizes wing pattern and date eliminated it. \| The original documentation form event lasted from 12:45:00/13:00:00.	Iowa Ornithologists' Union \| MS 166	33	26
Rare bird documentation form for Northern Goshawk at Sweet Marsh, 1981	Field notes	Birds--Identification Ornithology Rare birds	1981-12-19	1982-01-01	Rare birds documentation form	Rare bird documentation form for a Northern Goshawk at Sweet Marsh in Bremer County, IA on December 19, 1981.	Hays, Russell	Northern Goshawk	Sweet Marsh	Sweet Marsh (south side), Bremer County, Ia.	River bottom timber	The documentation form by Russell Hays is the only one submitted and forms the basis of this record. Other observers include Eleanor Corvin, Antoinette Camarata, and Bob Myers. \| Elimination of similar species: Imm. Cooper's would not show eye stripe. \| The original documentation form event lasted from 11:20:00/11:30:00.	Iowa Ornithologists' Union \| MS 166	33	25
Rare bird documentation form for Northern Goshawk at Sweet Marsh, 1982	Field notes	Birds--Identification Ornithology Rare birds	1982-11-14	N/A	Rare birds documentation form	Rare bird documentation form for a Northern Goshawk at Sweet Marsh in Bremer County, IA on November 14, 1982.	Moore, Francis L.	Northern Goshawk	Sweet Marsh	Sweet Marsh near Tripoli, Bremer Co., Iowa	White pine planting on North side of Marsh, SW of rangers residence	The documentation form by Francis L. Moore is the only one submitted and forms the basis of this record. Other observers include Bob Myers. \| Elimination of similar species: Coopers Hawk does not have a white stripe above its eye and I have never seen a Coopers with fluffy undertail coverts. Red-tailed Hawk does not have the coloration this hawk had. \| The original documentation form event lasted from 16:40:00/16:45:00.	Iowa Ornithologists' Union \| MS 166	33	25
Rare bird documentation form for Peregrine Falcon at Sweet Marsh, 1984	Field notes	Birds--Identification Ornithology Rare birds	1984-04-15	1984-05-28	Rare birds documentation form	Rare bird documentation form for a Peregrine Falcon on the east side of Sweet Marsh in Bremer County, IA on April 15, 1984.	Myers, Robert K.	Peregrine Falcon	Sweet Marsh	Sweet Marsh-Bremer Co. - (east side)	Open marshy area. Bird likes to perch in top of dead trees in middle of large marshy area where it commands excellent view of a big area.	The documentation form by Robert K. Myers is the only one submitted and forms the basis of this record. Other observers include Francis Moore and an unidentified group. \| Elimination of similar species: Too big for a Merlin and too dark for a Prairie Falcon. \| The original documentation form event lasted from 10:30:00/10:45:00 and 11:00:00/11:15:00.	Iowa Ornithologists' Union \| MS 166	33	34
Rare bird documentation form for Northern Goshawk at Sweet Marsh, 1982	Field notes	Birds--Identification Ornithology Rare birds	1982-04-10	1982-04-11	Rare birds documentation form	Rare bird documentation form for a Northern Goshawk at Sweet Marsh in Bremer County, IA on April 10, 1982.	Moore, Francis L.	Northern Goshawk	Sweet Marsh	Sweet Marsh, Bremer Co.	Marsh (at South side of the marsh)	The documentation form by Francis L. Moore is the only one submitted and forms the basis of this record. Other observers include Bob Myers. \| Elimination of similar species: Cooper's Hawk does not appear as large or does not appear to have as long a tail as this bird did. Cooper's Hawks does not have the white fluffy undertail coverts, either. \| The original documentation form event occurred around 8:15:00.	Iowa Ornithologists' Union \| MS 166	33	25
Rare bird documentation form for American Tree Sparrow at Sweet Marsh, 1991	Field notes	Birds--Identification Birdsongs Ornithology Rare birds	1991-05-18	N/A	Rare birds documentation form	Rare bird documentation form for an American Tree Sparrow at Sweet Marsh in Bremer County, IA on May 18, 1991.	Johnson, Ann	American Tree Sparrow	Sweet Marsh	Sweet Marsh, Bremer Co., IA	marsh	The documentation form by Ann Johnson is the only one submitted and forms the basis of this record. Other observers include Beth Brown. \| Elimination of similar species: Lark Sparrow - no facial pattern; rusty cap Swamp Sparrow - breast spot Song Sparrow - no streaking on underparts Chipping Sparrow - breast spot; song different \| The original documentation form event lasted from 10:20:00/10:21:00.	Iowa Ornithologists' Union \| MS 166	35	48
Rare bird documentation form for Red-necked Grebe at Sweet Marsh, 1987	Field notes Forms (documents)	Birds--Identification Ornithology Rare birds	1987-05-12	1987-05-13	Rare birds documentation form	Rare bird documentation form for a Red-necked Grebe at Sweet Marsh in Bremer County, IA on May 12, 1987.	Kent, Thomas H. (Thomas Hugh), 1934-	Red-necked Grebe	Sweet Marsh	Sweet Marsh, Bremer Co., IA	large open water area of man-made marsh	The documentation form by Thomas H. Kent is the only one submitted and forms the basis of this record. Other observers include Francis Moore. \| Elimination of similar species: Size, large bill, gray face and red neck eliminate small grebes. \| The original documentation form event lasted from 13:15:00/13:30:00.	Iowa Ornithologists' Union \| MS 166	32	13
Rare bird documentation form for Yellow Rail at Sweet Marsh, 1979	Field notes	Birds--Identification Ornithology Rare birds	1979-05-05	N/A	Rare birds documentation form	Rare bird documentation form for a Yellow Rail at Sweet Marsh in Bremer County, IA on May 5, 1979.	Schaufenbuel, Joseph P.	Yellow Rail	Sweet Marsh	Sweet Marsh, Tripoli, Iowa	A grassey [sic] marsh area along edge of a pond. This area had an average water depth of four inches. The size of the grassey [sic] marsh is about half an acre and is located in and area of extensive cattail marsh and wet meadows.	The documentation form by Joe Schaufenbuel is the only one submitted and forms the basis of this record. \| The original documentation form event occurred around 11:40:00.	Iowa Ornithologists' Union \| MS 166	33	39
Rare bird documentation form for Peregrine Falcon at Sweet Marsh, 1978	Field notes	Birds--Identification Ornithology Rare birds	1978-04-16	1978-04-17	Rare birds documentation form	Rare bird documentation form for a Peregrine Falcon at Sweet Marsh in Bremer County, IA on April 16, 1978.	Schaufenbuel, Joseph P.	Peregrine Falcon	Sweet Marsh	Sweet Marsh, which is located 1 mile East of Tripoli, Bremer County, IA.	The area of Sweet Marsh, where bird was first perched is a grazed grassy pasture. Which after much rain in recent weeks, is partially flooded, and often had attracted shorebirds of several species.	The documentation form by Joe Schaufenbuel is the only one submitted and forms the basis of this record. \| Elimination of similar species: Cooper's and Goshawk do not have pointed wings, and never perch in open. Merlin is much to [sic] small, size of a big Blue Jay, my bird was larger than a Crow. Prairie Falcon, the falcon I saw was grey not dull olive. [start handwritten annotation] ? (brown, NSH) [end handwritten annotation]. \| The original documentation form event lasted from 11:05:00/11:10:00.	Iowa Ornithologists' Union \| MS 166	33	34
Rare bird documentation from for Ibis species at Sweet Marsh, 1978	Field notes	Birds--Identification Ornithology Rare birds	1978-04-29	N/A	Rare birds documentation form	Rare bird documentation form for six Ibises at Sweet Marsh in Bremer County, IA on April 29, 1978.	Schaufenbuel, Joseph P.	Glossy Ibises	Sweet Marsh	Sweet Marsh, which is located one mile East of Tripoli, Bremer Co. Iowa	The ibis settled down in a cattail marsh which covered several hundred acres. Apparently they prefered [sic] shallow water openings in the cattails. Sweet Marsh has a variety of habitats including open water, grassy marsh and cattail marsh.	The documentation form by Joe Schaufenbuel is the only one submitted and forms the basis of this record. Other observers include Larry Farmer. \| Elimination of similar species: None of the herons or cranes has curved beak, and none as far as I know exibit [sic] the alternately flapping and gliding flight. \| The original documentation form event lasted from 18:00:00/19:00:00.	Iowa Ornithologists' Union \| MS 166	32	24
Rare bird documentation form for Yellow Rail at Sweet Marsh, 1978	Field notes	Birds--Identification Ornithology Rare birds	1978-04-29	1978-04-30	Rare birds documentation form	Rare bird documentation form for a Yellow Rail at Sweet Marsh in Bremer County, IA on April 29, 1978.	Schaufenbuel, Joseph P.	Yellow Rail	Sweet Marsh	Sweet Marsh, which is located one mile East of Tripoli, Bremer County, IA.	The area of Sweet Marsh where the bird was flushed had a water depth of about two feet. Many large and small clumps of grass covered mounds of earth, there was a shallow marshy spot that was heavily vegitated. Otherwise the area surrounding sighting was similar. This type of habitat covered several acres. The grasses were mostly remanent [sic] of last years growth, with new sprouts over a foot in height. The water was slightly stagnant, and water level was slightly higher than normal because of recent rains.	The documentation form by Joe Schaufenbuel is the only one submitted and forms the basis of this record. \| Elimination of similar species: I can think of no species of bird of similar size with a white patch on hind wing. Other rails would be uniform dark and larger. Perching birds such as a Swamp Sparrow (Melospiza gerogiana) have long tails. Extreme comparisons could be made with Common Snipe (Capella gallinago) which is long billed, has pointed wings, and has a rapid zig-zag flying style. \| The original documentation form event occurred around 18:30:00.	Iowa Ornithologists' Union \| MS 166	33	39
Rare bird documentation form for Sharp-shinned Hawk at Lucas County, 1988	Field notes	Birds--Identification Ornithology Rare birds	1988-06-16	N/A	Rare birds documentation form	Rare bird documentation form for a Sharp-shinned Hawk at Lucas County, IA on June 16, 1988.	Ehresman, Bruce	Sharp-shinned Hawk	Lucas County	T-71N, R 23 W, Sec. 17 (NW Qtr)	Flying over bottomland deciduous timber 2 mi s. of Stephen's Forest	The documentation form by Bruce Ehresman is the only one submitted and forms the basis of this record. \| Elimination of similar species: Cooper's Hawk is larger and normally has rounded tail. I've never seen a Cooper's with a notched tail. \| The original documentation form event lasted from 13:10:00/13:13:00.	Iowa Ornithologists' Union \| MS 166	33	23
Rare bird documentation form for Golden Eagle near Washta on the Little Sioux River, 1985	Field notes	Birds--Identification Ornithology Rare birds	1985-02-17	N/A	Rare birds documentation form	Rare bird documentation form for a Golden Eagle near Washta on the Little Sioux River in Cherokee County, IA on February 17, 1985.	Bierman, Dick	Golden Eagle	Washta	T90N R41W section 21 Cherokee County 2 miles northeast of Washta along the Little Sioux River	River bottomland woods mixed with pasture.	The documentation form by Dick Bierman is the only one submitted and forms the basis of this record. Other observers include Jim Huber, Marion Brewer, and Vernon Bierman. \| Elimination of similar species: Immature Bald Eagle. Dark phase Redtail or Roughleg. \| The original documentation form event lasted from 10:15:00/10:30:00.	Iowa Ornithologists' Union \| MS 166	33	31
Rare bird documentation form for Scissor-tailed Flycatcher northeast of Cherokee, 1984	Field notes	Birds--Identification Ornithology Rare birds	1984-10-27	N/A	Rare birds documentation form	Rare bird documentation form for a Scissor-tailed Flycatcher northeast of Cherokee in Cherokee County, IA on October 27, 1984.	Bierman, Vernon	Scissor-tailed Flycatcher	Cherokee	t92-R39 Section 7 Cherokee County, or 3 1/2 miles	Mixed pasture, brushy fence lines, and open timber.	The documentation form by Vernon Bierman is the only one submitted and forms the basis of this record. Other observers include Ruth Bierman. \| Elimination of similar species: Shrikes, Mockingbirds \| The original documentation form event lasted from 16:15:00/16:30:00.	Iowa Ornithologists' Union \| MS 166	34	73
Rare bird documentation form for Northern Shrike near Peterson, 1979	Field notes	Birds--Identification Ornithology Rare birds	1979-12-01	N/A	Rare birds documentation form	Rare bird documentation form for a Northern Shrike near Peterson in Cherokee County, IA on December 1, 1979.	Bierman, Dick	Northern Shrike	Spring Township	T93 - R39 - Section 2, Cherokee County, Iowa	Hilly-open woods with thickets and pasture	The documentation form by Dick Bierman is the only one submitted and forms the basis of this record. Other observers include an unidentified observer. \| Elimination of similar species: Mockingbird, Kestrel \| The original documentation form event lasted from 14:15:00/14:25:00.	Iowa Ornithologists' Union \| MS 166	34	75
Rare bird documentation form for Merlin at Spring Township in Cherokee County, 1980	Field notes	Birds--Identification Ornithology Rare birds	1980-10-03	N/A	Rare birds documentation form	Rare bird documentation form for a Merlin at Spring Township in Cherokee County, IA on October 3, 1980.		Merlin	Spring Township	T93N R39 W Section 23, Spring Township, Cherokee Co. Iowa	Open farm land. Much timber and pasture one mile away.	The documentation form by Dick Bierman is the only one submitted and forms the basis of this record. \| Elimination of similar species: Kestrel, Peregrin Falcon, Broadwinged Hawk, Coopers and Sharpshinned Hawks. \| The original documentation form event lasted from 09:15:00/09:30:00.	Iowa Ornithologists' Union \| MS 166	33	32
Rare bird documentation form for Northern Shrike near Gere Creek, 1981	Field notes	Birds--Identification Ornithology Rare birds	1981-01-10	N/A	Rare birds documentation form	Rare bird documentation form for a Northern Shrike in Cherokee County, IA on January 10, 1981.	Bierman, Dick	Northern Shrike	Cedar Township	T93N, R40W, Section 32 Cherokee Co. Iowa	Open cropland and pasture	The documentation form by Dick Bierman is the only one submitted and forms the basis of this record. \| Elimination of similar species: Mocking Bird, Loggerheaded Shrike, Kestrel. \| The original documentation form event lasted from 14:55:00/15:10:00.	Iowa Ornithologists' Union \| MS 166	34	75
Rare bird documentation form for Red-necked Grebe at Four Mile Lake, 1993	Field notes Forms (documents)	Birds--Identification Ornithology Rare birds	1993-06-09	1993-06-23	Rare birds documentation form	Rare bird documentation form for two Red-necked Grebes at Four Mile Lake in Emmet County, IA on June 9, 1993.	Ehresman, Bruce Flaherty, Molly	Red-necked Grebe	Four Mile Lake Wildlife Management Area	T99N, R34W, Sec 8 SE 1/4 at Four Mile Lake Restored Area. ~150 yds NW of NW corner of furthest east parking lot along County Rd. A22.	Restored wetland w/ emergent vegetation - surrounded by grassland	The documentation form by Bruce Ehresman and Molly Flaherty is the only one submitted and forms the basis of this record. \| Elimination of similar species: Head similar to Western Grebe, but this grebe's neck is rusty red color. Body also smaller than western grebe, and bill not as long and pointed. \| The original documentation form event lasted from 10:15:00/11:15:00.	Iowa Ornithologists' Union \| MS 166	32	13