Field reports form for submitting seasonal observations of Iowa birds, Douglas C. Harr, summer 1993
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Field notes Forms (documents)
|
Bird watching Birds--Counting Birds--Identification Weather Waterfowl Owls--Behavior
|
1993-06-01
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1993-07-31
|
Manuscript, graphic, and printed material
|
Summer report of birds found in northwest Iowa contributed by Douglas C. Harr. This item was used as supporting documentation for the Iowa Ornithologists' Union Quarterly field report of summer 1993.
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Harr, Douglas C.
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Eared Grebe Barn Owl Western Grebe Cattle Egret Virginia Rail Hooded Merganser
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Larchwood Sioux Center Spirit Lake West Hottes Lake Center Lake
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Iowa Ornithologists' Union | MS 166
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25
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5
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Field reports form for submitting seasonal observations of Iowa birds, summer 1993, Douglas Harr
|
Field notes Forms (documents)
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Bird watching Birds--Identification Birdsongs Ornithology Rare birds
|
1993-06-01
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1993-07-31
|
Manuscript, graphic, and printed material
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Field reports by Douglass Harr for birds sighted during the summer of 1993. It features the Barn Owl south of Larchwood in Lyon County, IA on July 27, 1993.
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Harr, Douglas C.
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Barn Owl Cattle Egret Hooded Merganser
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Larchwood Sioux Center Spirit Lake
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Iowa Ornithologists' Union | MS 166
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34
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48
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Field notes contributed by Hank Zaletel, summer 1993
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Field notes Reports
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Bird watching Birds--Counting Birds--Nests Birds--Infancy
|
1993-06-01
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1993-07-31
|
Manuscript, graphic, and printed material
|
Summer report of birds found in central Iowa contributed by Hank Zaletel. This item was used as supporting documentation for the Iowa Ornithologists' Union Quarterly field report of summer 1993.
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Zaletel, Hank
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Upland Sandpiper Pied-billed Grebe Willow Flycatcher Yellow-headed Blackbird Cedar Waxwing Bell's Vireo Loggerhead Shrike Ruby-throated Hummingbird Cattle Egret Black-crowned Night Heron Ruddy Duck Gray Partridge Lesser Yellowlegs American Coot Northern Pintail Northern Shoveler Black Tern
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Ames Doolittle Prairie State Preserve Hendrickson Marsh Lake Marshalltown Zearing Hickory Grove County Park McFarland Lake Park Rhodes Slater Gilbert Colo Bogs Wildlife Management Area
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Iowa Ornithologists' Union | MS 166
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25
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5
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Field reports form for submitting seasonal observations of Iowa birds, Jan L. Walter, summer 1993
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Field notes Forms (documents)
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Bird watching Birds--Counting Birds--Nests Weather Birds--Infancy
|
1993-06-01
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1993-07-31
|
Manuscript, graphic, and printed material
|
Summer report of birds found in northern Iowa contributed by Jan L. Walter. This item was used as supporting documentation for the Iowa Ornithologists' Union Quarterly field report of summer 1993.
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Walter, Janice L.
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Swainson's Hawk Least Bittern Double-crested Cormorant Eared Grebe Pied-billed Grebe Willow Flycatcher Least Flycatcher Yellow-billed Cuckoo Common Moorhen Western Grebe Hooded Merganser Black-billed Cuckoo Sedge Wren American Coot Northern Shoveler American Golden Plover
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Cerro Gordo County Mason City Zirbel Slough McIntosh Woods State Park Elk Creek Marsh Wildlife Management Area Silver Lake White Wildlife Area
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Iowa Ornithologists' Union | MS 166
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25
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5
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Field reports form for submitting seasonal observations of Iowa birds, Jim Sinclair, summer 1993
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Forms (documents)
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Bird populations Bird watching Birds--Counting Birdsongs Birds--Infancy
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1993-06-01
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1993-07-31
|
Manuscript, graphic, and printed material
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Summer report of birds and locations contributed by Jim Sinclair. This item was used as supporting documentation for the Iowa Ornithologists' Union Quarterly field report of summer 1993.
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Sinclair, Jim
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Least Bittern American Kestrel Willow Flycatcher Brown-headed Cowbird Bobolink White-eyed Vireo Yellow-breasted Chat Grasshopper Sparrow Loggerhead Shrike Carolina Wren Ruby-throated Hummingbird Prothonotary Warbler Hooded Warbler
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Brenton Slough Indianola Warren County Rolling Thunder Prairie Woodland Mounds State Preserve Lake Ahquabi State Park
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|
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Iowa Ornithologists' Union | MS 166
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25
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5
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Field notes contributed by Lee A. Schoenewe, summer 1993
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Field notes Reports
|
Bird watching Birds--Counting Birds--Nests Birds--Infancy
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1993-06-01
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1993-07-31
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Manuscript, graphic, and printed material
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Summer reports of birds found in northwest Iowa contributed by Lee A. Schoenewe. This item was used as supporting documentation for the Iowa Ornithologists' Union Quarterly field report of summer 1993.
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Schoenewe, Lee A.
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Least Bittern Ring-billed Gull Double-crested Cormorant Cedar Waxwing American White Pelican Western Grebe Cattle Egret Forster's Tern Common Loon Black-crowned Night Heron Redhead Ruddy Duck Sedge Wren Ovenbird American Coot Blackburnian Warbler
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Clay County Palo Alto County Spencer Trumbull Lake West Hottes Lake Mud Lake Everly
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Iowa Ornithologists' Union | MS 166
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25
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5
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Field reports form for submitting seasonal observations of Iowa birds, Mark Proescholdt, summer 1993
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Field notes Forms (documents)
|
Bird watching Birds--Counting Birds--Identification Birds--Nests Birdsongs Birds--Infancy
|
1993-06-01
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1993-07-31
|
Manuscript, graphic, and printed material
|
Summer report of birds and locations contributed by Mark Proescholdt. This item was used as supporting documentation for the Iowa Ornithologists' Union Quarterly field report of summer 1993.
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Proescholdt, Mark
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Little Blue Heron Alder Flycatcher Loggerhead Shrike Yellow-billed Cuckoo Western Kingbird Snowy Egret Chuck-will's-widow Cattle Egret Yellow-bellied Flycatcher Solitary Sandpiper Olive-sided Flycatcher Scarlet Tanager Blue Grosbeak Mourning Warbler Great Blue Heron Common Tern
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Fremont County Liscomb Marshalltown Rathbun Lake Rice Lake Waubonsie State Park Albion Union Pine Lake State Park Bartlett Ackley Rice Lake Hawthorn Wildlife Management Area Mitchellville Wolf Creek Recreation Area
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Iowa Ornithologists' Union | MS 166
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25
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5
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Field notes contributed by Randall Pinkston, summer 1993
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Field notes Reports
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Bird watching Birds--Counting Birds--Nests Birds--Infancy
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1993-06-01
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1993-07-31
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Manuscript, graphic, and printed material
|
Summer report of birds and locations contributed by Randall Pinkston. This item was used as supporting documentation for the Iowa Ornithologists' Union Quarterly field report of summer 1993.
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Pinkston, Randall, 1956-
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Mississippi Kite Little Blue Heron Ring-billed Gull Eared Grebe Ruby-throated Hummingbird Western Grebe Western Kingbird Peregrine Falcon Pileated Woodpecker Northern Mockingbird Blue-winged Warbler Cerulean Warbler Prothonotary Warbler American Redstart Prairie Warbler Great-tailed Grackle
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Amana Clive Des Moines Fremont County Iowa City Johnson County Rice Lake Riverton Wildlife Management Area Swan Lake Wildlife Management Area Nebraska City Shimek State Forest MidAmerican Energy Ponds Osceola Silver Lake Iowa State Capitol Sullivan Slough
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Iowa Ornithologists' Union | MS 166
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25
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5
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Field notes contributed by Peter C. Petersen, summer 1993
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Field notes Forms (documents)
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Bird populations Bird watching Birds--Behavior Birds--Counting
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1993-06-01
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1993-07-31
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Manuscript, graphic, and printed material
|
Summer report of birds and locations contributed by Peter C. Petersen. This item was used as supporting documentation for the Iowa Ornithologists' Union Quarterly field report of summer 1993.
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Petersen, Peter C.
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Upland Sandpiper Bell's Vireo Carolina Wren Chimney Swift Yellow-throated Warbler Cattle Egret Lark Sparrow Yellow-bellied Flycatcher Hooded Merganser Peregrine Falcon Northern Mockingbird Chestnut-sided Warbler Blue Grosbeak Western Meadowlark Brown Creeper
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Bellevue Davenport Goose Lake Huron Island Jackson County Montpelier Oakville Clinton County Tipton Big Sand Mound Nature Preserve
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Iowa Ornithologists' Union | MS 166
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25
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5
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Field notes contributed by Marietta Petersen, summer 1993
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Field notes Reports
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Bird watching Birds--Counting Birds--Habitat
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1993-06-01
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1993-07-31
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Manuscript, graphic, and printed material
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Summer report of birds found in Cass County contributed by Marietta Petersen. This item was used as supporting documentation for the Iowa Ornithologists' Union Quarterly field report of summer 1993.
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Petersen, Marietta
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Grasshopper Sparrow Lark Sparrow Black-billed Cuckoo Northern Bobwhite
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Cass County Indian Creek
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Iowa Ornithologists' Union | MS 166
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25
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5
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Field notes contributed by Babs Padelford and Loren Padelford, summer 1993
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Field notes Reports
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Bird watching Birds--Counting Birds--Identification Birds--Nests Birdsongs Laridae | Gulls and Terns Scolopacidae | Sandpipers, Phalaropes, and allies Birds--Infancy
|
1993-06-01
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1993-07-31
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Manuscript, graphic, and printed material
|
Summer report of birds found in western Iowa contributed by Babs Padelford and Loren Padelford. This item was used as supporting documentation for the Iowa Ornithologists' Union Quarterly field report of summer 1993.
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Padelford, Babs Padelford, Loren
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American Avocet Killdeer Little Blue Heron Eared Grebe Purple Martin Black-and-white Warbler Ring-necked Duck Snowy Egret Chuck-will's-widow Cattle Egret Least Tern American Wigeon Piping Plover Willet Ruddy Turnstone Scissor-tailed Flycatcher Prothonotary Warbler American Coot Northern Pintail Common Merganser Great Egret
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Forneys Lake Fremont County Mills County Percival Waubonsie State Park Riverton MidAmerican Energy Ponds McPaul
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Iowa Ornithologists' Union | MS 166
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25
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5
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Field notes contributed by Scott Rolfes, Kevin Griggs, and Bill Norris, summer 1993
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Field notes
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Bird watching Birds--Counting
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1993-06-01
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1993-07-31
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Manuscript, graphic, and printed material
|
Summer report of birds contributed by Scott Rolfes, Kevin Griggs, and Bill Norris. This item was used as supporting documentation for the Iowa Ornithologists' Union Quarterly field report of summer 1993.
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Rolfes, Scott Norris, William R. Griggs, Kevin
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Red-shouldered Hawk Osprey
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Ames Saylorville Lake
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|
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Iowa Ornithologists' Union | MS 166
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25
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5
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Field reports form for submitting seasonal observations of Iowa birds, Matthew Kenne, summer 1993
|
Field notes Forms (documents)
|
Bird watching Birds--Behavior Birds--Counting Birds--Identification Birds--Nests Birdsongs Birds--Infancy
|
1993-06-01
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1993-07-31
|
Manuscript, graphic, and printed material
|
Summer report of birds found in northern Iowa contributed by Matthew Kenne. This item was used as supporting documentation for the Iowa Ornithologists' Union Quarterly field report of summer 1993.
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Kenne, Matthew C.
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Swainson's Hawk Cooper's Hawk Double-crested Cormorant Turkey Vulture Least Flycatcher Common Grackle Common Moorhen Cattle Egret Yellow-bellied Flycatcher Spotted Sandpiper Olive-sided Flycatcher Cerulean Warbler Northern Pintail Tennessee Warbler Mourning Warbler American Golden Plover
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Algona Kossuth County Union Slough National Wildlife Refuge Riverview Cemetery Ambrose A Call State Park
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Iowa Ornithologists' Union | MS 166
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25
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5
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Field reports form for submitting seasonal observations of Iowa birds, Rita Goranson, summer 1993
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Field notes Forms (documents)
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Bird banding Bird watching Birds--Counting Birds--Nests Scolopacidae | Sandpipers, Phalaropes, and allies Charadriiformes | Shore-birds, Gulls, and Auks Birds--Infancy Emberizidae | Sparrows
|
1993-06-01
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1993-07-31
|
Manuscript, graphic, and printed material
|
Summer report of birds found in northern Iowa contributed by Rita Goranson. This item was used as supporting documentation for the Iowa Ornithologists' Union Quarterly field report of summer 1993.
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Goranson, Rita
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Swainson's Hawk Least Bittern American Kestrel Ring-billed Gull Double-crested Cormorant Turkey Vulture Eared Grebe Yellow-billed Cuckoo Common Moorhen Western Grebe Virginia Rail Lesser Yellowlegs Solitary Sandpiper Pectoral Sandpiper Stilt Sandpiper Black-billed Cuckoo
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Cerro Gordo County Mason City Zirbel Slough Elk Creek Marsh Wildlife Management Area Silver Lake
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Iowa Ornithologists' Union | MS 166
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25
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5
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Field reports form for submitting seasonal observations of Iowa birds, James L. Fuller, summer 1993
|
Field notes Forms (documents)
|
Bird watching Birds--Counting
|
1993-06-01
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1993-07-31
|
Manuscript, graphic, and printed material
|
Summer report of birds and locations contributed by James L. Fuller. This item was used as supporting documentation for the Iowa Ornithologists' Union Quarterly field report of summer 1993.
|
Fuller, James L
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Least Bittern Little Blue Heron White-eyed Vireo Yellow-breasted Chat Henslow's Sparrow Virginia Rail Least Tern Black-crowned Night Heron Piping Plover Blue Grosbeak Red-breasted Nuthatch Lesser Scaup Prairie Warbler Great-tailed Grackle Sandhill Crane
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Coralville Lake Forneys Lake Fremont County Goose Lake Iowa City Lacey-Keosauqua State Park Mills County Percival Pottawattamie County Zirbel Slough Shimek State Forest Wildlife Management Area - Croton Unit MidAmerican Energy Ponds Green Island Wildlife Management Area Croton
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Iowa Ornithologists' Union | MS 166
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25
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5
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Field reports form for submitting seasonal observations of Iowa birds, Chris Edwards, summer 1993
|
Field notes Forms (documents)
|
Bird watching Birds--Counting Birds--Habitat Weather Birds--Infancy Birds--Feeding and feeds
|
1993-06-01
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1993-07-31
|
Manuscript, graphic, and printed material
|
Summer report of birds and locations contributed by Chris Edwards. This item was used as supporting documentation for the Iowa Ornithologists' Union Quarterly field report of summer 1993.
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Edwards, Chris
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White-eyed Vireo Yellow-breasted Chat Carolina Wren Orchard Oriole Yellow-throated Warbler Acadian Flycatcher Veery Blue-winged Warbler Northern Parula Cerulean Warbler Prothonotary Warbler Worm-eating Warbler Louisiana Waterthrush Hooded Warbler Kentucky Warbler Prairie Warbler
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Coralville Lake Johnson County Lake Macbride State Park Stone City Shimek State Forest Wildlife Management Area - Croton Unit
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Iowa Ornithologists' Union | MS 166
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25
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5
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Records Committee review for rare bird sighting of Red-throated Loon at Lake Manawa, 1989
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Administrative records Clippings (information artifacts) Correspondence Field notes
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Bird watching Ornithology Ornithology--Societies, etc
|
1989-04-27
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1993-07-21
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Rare birds documentation form
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Records Committee review for two Red-throated Loons at Lake Manawa in Pottawattamie County, IA on April 27, 1989. Includes a record review document and four documentation forms submitted to the committee.
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Bray, Tanya
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Red-throated Loon
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Lake Manawa
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Lake Manawa, Pottawattamie County
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The documentation form by Tanya E. Bray is the earliest and the one that forms the basis of this record. Other documentation forms by Babs Padelford, Loren Padelford, Marc Lund, and Bob Myers were submitted later. Other observers include B.J. Rose, Doug Rose, Roger Rose, Dave Starr, and Jerry Toll. | Elimination of similar species: Pacific Loon, eliminated by red color of throat patch and shape of bill. This bird's bill was more like that of a Eared Grebe; that is, very slender and not as loon-like as that of Pacific Loon. Pacific Loon's bill looks like a small Common Loon. Pacific Loon's bill looks like a small Common Loon. Common Loon: eliminated by size of bird, shape of bill, and red throated patch. | The original documentation form event lasted from 16:15:00/16:45:00.
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Iowa Ornithologists' Union | MS 166
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7
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5
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Records Committee review for rare bird sighting of California Gull at Credit Island, 1989
|
Administrative records Clippings (information artifacts) Correspondence Field notes
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Bird watching Ornithology Ornithology--Societies, etc
|
1989-11-23
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1993-07-21
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Rare birds documentation form
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Records Committee review for a California Gull at Credit Island in Scott County, IA on November 23, 1989. Includes a record review document with votes, an article in Iowa Bird Life, correspondence about the sighting from Louise Augustine to Carl Bendorf, and three documentation forms submitted to the committee.
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Augustine, Louise
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California Gull
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Credit Island
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Credit Island - Davenport, Iowa - Scott County
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This is an unfamiliar Area for me - I have never birded there before - The Place Credit Island - Backwater of Mississippi River - There was some ICE and open water - Many Gulls were in this Backwater area - on ice and in water. Probably around 1,500 Gulls -
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The documentation form by Louise Augustine forms the basis of this record. Other documentation forms by Peter C. Petersen and Jim Fuller were submitted. Other observers include Randy Pinkston, Mary Lou Petersen, Jerome Augustine, David Augustine, and Julie Augustine. | Elimination of similar species: Herring Gull - darker mantle - Dark eye - Leg Color - ashy-green gray not Pink - smaller size - slimmer build Ring-billed Gull - mantle too dark - dark eye - Bill had only a spot Leg Color not yellow - This bird larger than Ring-billed gulls - | The original documentation form event lasted from 12:00:00/13:00:00.
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Iowa Ornithologists' Union | MS 166
|
11
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1
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Records Committee review for rare bird sighting of Laughing Gull at IPL ponds, 1989
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Administrative records Clippings (information artifacts) Field notes
|
Bird watching Ornithology Ornithology--Societies, etc
|
1989-08-27
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1993-07-21
|
Rare birds documentation form
|
Records Committee review of a Laughing Gull at the IPL Ponds in Pottawattamie County, IA on August 27, 1989. Includes a record review document with votes, an article in Iowa Bird Life, and a documentation form submitted to the committee.
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Padelford, Babs Padelford, Loren
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Laughing Gull
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MidAmerican Energy Ponds
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Iowa Power & Light Settling Pond, south pond, Pottawattamie Co.
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The documentation form by Babs & Loren Padelford is the only one submitted and forms the basis of this record. | Elimination of similar species: At rest, the bird had a very slender and streamlined appearance, not stocky like that of a Franklin's Gull. The head had no trace of a dark hood. The head was the same color as the rest of the body except for lighter areas around bill, on forehead and top of the head. The bill seemed longer and more curved than a Franklin's, but difficult to say with no Franklin's for comparison. | The original documentation form event lasted from 10:15:00/11:05:00.
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Iowa Ornithologists' Union | MS 166
|
10
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18
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Records Committee review for rare bird sighting of Jaeger Species at Riverview Cemetery in Algona, 1989
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Administrative records Field notes
|
Bird watching Ornithology Ornithology--Societies, etc
|
1989-10-29
|
1993-07-21
|
Rare birds documentation form
|
Records Committee review of two Jaeger species birds at Riverview Cemetery in Algona in Kossuth County, IA on October 29, 1989. Includes a record review document with votes and a documentation form submitted to the committee.
|
Kenne, Matthew C.
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Jaegers
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Riverview Cemetery
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Riverview Cemetery Algona, Ia.
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fly-over hill overlooking Des Moines River valley
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The documentation form by Matthew Kenne is the only one submitted and forms the basis of this record. | Elimination of similar species: Wrong color for a gull, no terminal tail bands, no gray, no white except for the lightness at the base of primaries, no darker primaries (black wingtips). Bill was gull-like, but hooked mail different. May have been exagerated [sic] by a darker color than basal portion. Flight was direct and strong, a "confident" feel I get from birds of prey. | The original documentation form event occurred around an estimated 11:15:00.
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Iowa Ornithologists' Union | MS 166
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10
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13
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Records Committee review for rare bird sighting of Red Phalarope at IPL Ponds, 1989
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Administrative records Field notes
|
Bird watching Ornithology Ornithology--Societies, etc
|
1989-08-27
|
1993-07-21
|
Rare birds documentation form
|
Records Committee review for a Red Phalarope at IPL Ponds in Pottawattamie County, IA on August 27, 1989. Includes a record review document with votes and a documentation form submitted to the committee.
|
Silcock, W. Ross
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Red Phalarope
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MidAmerican Energy Ponds
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IPL Ponds, Pott Co., IA
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The documentation form by Ross Silcock is the only one submitted and forms the basis of this record. Other observers include Loren Padelford, Babs Padelford, Tanya Bray, BJ Rose, Doug Rose, and Roger Rose. | Elimination of similar species: [...] Loren remarked on a pale one which we passed off as a Sanderling, even though it was feeding methodically and appeared to have some markings not characteristic of a Sanderling (we were still looking for a Laughing Gull!). [...] We re-examined the bird and I noted the following - a shorebird about Pectoral SDP. size but a little more elongated + less plump. [...] Bill similar to Pectoral SDP but straighter + a little heavier. [...] Also noticeable was dark coloration at bend of wing, when bird feeding. Latter was deliberate, rather like Dowitcher, head often under water. [...] (2) Difficulty of eliminating Red-necked Phalarope - I believe this is achieved due to the following (a) Red has much thicker bill (b) Red is significantly larger } Size comparison with Lesser Yellowlegs at IPL indicated this bird was not a small Phalarope. Bill was very heavy - as heavy or more so as a Pectoral's bill. | The original documentation form event lasted from approximately 12:15:00/13:30:00.
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Iowa Ornithologists' Union | MS 166
|
10
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12
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Records Committee review for rare bird sighting of Red Knot at Sandpiper Beach at Saylorville Reservoir, 1989
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Administrative records Field notes
|
Bird watching Ornithology Ornithology--Societies, etc
|
1989-09-03
|
1993-07-21
|
Rare birds documentation form
|
Records Committee review for a Red Knot at Sandpiper Beach at Saylorville Reservoir in Polk County, IA on September 3, 1989. Includes a record review document with votes and eight documentation forms submitted to the committee.
|
Dinsmore, Stephen J.
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Red Knot
|
Sandpiper Recreation Area
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Sandpiper Beach area of Saylorville Res., Polk Co.
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sandy/rocky beach
|
The documentation form by Steve Dinsmore is the one that forms the basis of this record. Other documentation forms by Jim Dinsmore, Bob Myers, Robert Cecil, Ann Johnson, Jim Fuller, Michael K. Thomas, and Mark Proescholdt were submitted. Other observers include Dennis Thompson, Betsy Myers, Eugene Armstrong, Eloise Armstrong, and many unidentified observers. | Elimination of similar species: The large size should eliminate all peeps. The bird was also larger than Sanderlings in direct comparison. Otherwise, the bill shape and dull yellow legs would eliminate Sanderling and Dunlin. | The original documentation form event lasted from 06:53:00/07:41:00 and 08:15:00/09:35:00.
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Iowa Ornithologists' Union | MS 166
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10
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1
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Records committee review for rare bird sighting of Red Knot at Union Slough National Wildlife Refuge, 1989
|
Administrative records Field notes
|
Bird watching Ornithology Ornithology--Societies, etc
|
1989-08-31
|
1993-07-21
|
Rare birds documentation form
|
Records Committee review for a Red Knot at Union Slough National Wildlife Refuge in Kossuth County, IA on August 31, 1989. Includes a record review document with votes and a documentation form submitted to the committee.
|
Kenne, Matthew C.
|
Red Knot
|
Union Slough National Wildlife Refuge
|
Union Sl. Nat. Wild Refuge north of Titonka Blacktop
|
mudflats with puddles + pools
|
The documentation form by Matthew Kenne is the only one submitted and forms the basis of this record. | Elimination of similar species: This bird had a different bill than any shorebird - I've ever seen. No other shore bird has a red breast. (Ok - curlew sand.) | The original documentation form event lasted from 09:15:00/09:18:00.
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Iowa Ornithologists' Union | MS 166
|
10
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1
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Records Committee review for rare bird sighting of Red-throated Loon at Lake Manawa State Park, 1990
|
Administrative records Field notes
|
Bird watching Ornithology Ornithology--Societies, etc
|
1990-11-12
|
1993-07-17
|
Rare birds documentation form
|
Records Committee review for a Red-throated Loon at Lake Manawa State Park in Pottawattamie County, IA on November 12, 1990. Includes a record review document with votes and two documentation forms submitted to the committee.
|
Johnson, Ann
|
Red-throated Loon
|
Lake Manawa State Park
|
Lake Manawa State Park, Pottawattamie County, Iowa
|
Open water
|
The documentation form by Ann Johnson is the earliest and the one that forms the basis of this record. Another documentation form by Tanya E. Bray was submitted later. Other observers include Babs Padelford, BJ Rose, Ross Silcock, and Tim Schantz. | Elimination of similar species: Cormorants could be eliminated by bill shape, among other characteristics. The bird had some similarities to a Western Grebe, but the grebe would hold its head parallel to the water, has a longer neck, and does not show the contrast between head/nape and back. Common Loon was eliminated by posture, size and shape of bill, contrast of lighter head and darker back, and more diffuse separation of upper and underparts. Pacific Loon was eliminated by the grayer underparts, diffuse separation of upper and underparts, posture, and sharp upward angle on lower mandible. | The original documentation form event lasted from 11:50:00/12:15:00.
|
Iowa Ornithologists' Union | MS 166
|
7
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5
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Records Committee review for rare bird sighting of Red-throated Loon at Coralville Reservoir, 1990
|
Administrative records Clippings (information artifacts) Field notes
|
Bird watching Ornithology Ornithology--Societies, etc
|
1990-11-04
|
1993-07-17
|
Rare birds documentation form
|
Records Committee review for a Red-throated Loon at Coralville Reservoir in Johnson County, IA on November 4, 1990. Includes a record review document with votes, an Iowa Bird Life article, and four documentation forms submitted to the committee.
|
Kent, Thomas H. (Thomas Hugh), 1934-
|
Red-throated Loon
|
Coralville Lake
|
deep part of reservoir at West Overlook (just above dam) and at Mehaffy Bridge. Coralville Reservoir, Johnson County, Iowa
|
deep part of reservoir at West Overlook (just above dam) and at Mehaffy Bridge
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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, Ann Johnson, and Carol Thompson. Other observers include Ken Lowder, Jim Scheib, Bud Goode, Cal Knight, Bernie Knight, and Beth Brown. | Elimination of similar species: The head posture resembled a cormorant, but the bill, overall coloration, and behavior quickly excluded that possibility. The size and bill led me to an immediate identification. I was puzzled about the plumage. I expected to see a juvenile or basic-plumaged bird, but the distribution of dark coloration was that of alternate plumage. I assume that the red/black throat, lines of neck, and gray tones had faded to give one rather uniform color. The drab light may have contributed some to the failure to see color differences, but the last observation was relatively close and the texture of the feathers could be seen. | The original documentation form event lasted from 07:45:00-08:30:00 and 12:20:00-12:45:00.
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Iowa Ornithologists' Union | MS 166
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7
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5
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