UID
Continent North America
Water Body
Island Group
Island
Country United States
Country Code US
State Province Iowa
County Sioux County
Municipality Rock Valley
Latitude 43.20526
Longitude -96.29503
Location According To Geonames
Geodetic Datum WGS 84
Related Documents Field notes contributed by John Van Dyk, March 1, 1980 John Van Dyk letter to Thomas Kent regarding his Fall report, November 30, 1980 Douglas C. Harr letter to Thomas Kent regarding notable field records for winter, February 24, 1981 Field notes contributed by John Van Dyk, March 2, 1982 Field notes contributed by John Van Dyk, winter 1982-1983 Field notes contributed by John Van Dyk, spring 1983 Winter 1980-81 report by John Van Dyk Fall report, 1985 Field notes contributed by John Van Dyk, June 1, 1987 John Van Dyk letter to James J. Dinsmore regarding summer bird sightings, summer 1989 John Van Dyk letter to Carl J. Bendorf regarding field reports for the IOU quarterly field report, December 1, 1989 Field reports, Douglas C. Harr, spring 1991 John Van Dyk letter to Thomas H. Kent regarding bird sightings, December 1, 1991 Field notes contributed by John Van Dyk, December 1, 1992 John Van Dyk letter to Thomas Kent regarding spring 1993 report, June 1, 1993 Spring 1994 report, John Van Dyk Fall 1994 report, John Van Dyk Rare bird report for Northern Goshawk on the Rock River between Doon and Rock Valley in 1982 Field notes contributed by John Van Dyk, December 1, 1996 John Van Dyk letter to Thomas H. Kent regarding bird sightings, June 1, 1997 Field notes contributed by John Van Dyk, fall 1997 Spring 1998 report, John Van Dyk, May 28, 1998 Field notes contributed by John Van Dyk, December 1, 1998 Spring 1999 report, John Van Dyk Spring 1995 report, John Van Dyk Iowa Birdline update, January 29, 1990 Iowa Birdline update, January 6, 1992 Iowa Birdline update, December 13, 1993 Iowa RBA, April 17-23, 1995 Iowa RBA, December 7, 1998 Iowa RBA, December 14, 1998
Related Birds Northern Flicker American Kestrel American Crow Northern Cardinal Hairy Woodpecker Golden-crowned Kinglet Red-winged Blackbird Red Crossbill Mourning Dove Horned Lark American Goldfinch Brown Creeper Wood Duck Barn Swallow American Golden Plover Bald Eagle Snow Bunting Short-eared Owl Evening Grosbeak Snowy Owl Purple Finch Wild Turkey Sandhill Crane Red-headed Woodpecker Prairie Falcon Great Horned Owl Common Grackle American Tree Sparrow American Coot Canada Goose Gadwall American Robin Mallard Cooper's Hawk Upland Sandpiper Pied-billed Grebe Vermilion Flycatcher Rusty Blackbird Bobolink White-breasted Nuthatch Purple Martin Gray-cheeked Thrush Eastern Bluebird Loggerhead Shrike Orchard Oriole Western Kingbird Merlin Marsh Wren Wood Thrush Dickcissel Yellow-bellied Flycatcher Osprey Hermit Thrush Northern Mockingbird Fox Sparrow Blue Grosbeak Water Pipit Winter Wren Northern Harrier Northern Bobwhite Lapland Longspur Golden-crowned Sparrow Harris' Sparrow Common Redpoll Lesser Scaup Northern Shrike Double-crested Cormorant Eared Grebe Franklin's Gull Long-billed Dowitcher Solitary Sandpiper Snow Goose Bufflehead Northern Shoveler Green-winged Teal Great Blue Heron Bell's Vireo Chukar House Finch Semipalmated Plover Black-billed Cuckoo Burrowing Owl Pine Grosbeak Common Nighthawk Olive-sided Flycatcher Red-tailed Hawk Swainson's Hawk American Bittern Turkey Vulture Canvasback Black-crowned Night Heron Brown-headed Cowbird Ruby-throated Hummingbird Hooded Merganser Lesser Yellowlegs Northern Saw-whet Owl Dark-eyed Junco Yellow-bellied Sapsucker Blue Jay Black-and-white Warbler Eastern Wood-Pewee Spotted Towhee Pine Siskin Red-breasted Nuthatch Sharp-shinned Hawk Yellow-breasted Chat Ruby-crowned Kinglet Cape May Warbler Grasshopper Sparrow Palm Warbler Blue-gray Gnatcatcher Northern Goshawk American Avocet Wilson's Warbler Northern Pintail Great Egret Blue-headed Vireo Field Sparrow Western Sandpiper Herring Gull Eastern Meadowlark Pectoral Sandpiper Philadelphia Vireo Swainson's Thrush Blue-winged Warbler Orange-crowned Warbler Willow Flycatcher Vesper Sparrow Greater Yellowlegs Baltimore Oriole Baird's Sandpiper Sedge Wren Eastern Screech-Owl Killdeer Common Merganser Golden Eagle Ross' Goose Red-necked Phalarope Mute Swan Eastern Phoebe Red-shouldered Hawk Gyrfalcon White-winged Crossbill Peregrine Falcon American White Pelican American Wigeon Pileated Woodpecker Chipping Sparrow Pine Warbler Thayer's Gull Trumpeter Swan Lesser Black-backed Gull Glaucous Gull Tundra Swan White-faced Ibis Marbled Godwit Red-necked Grebe Fish Crow Chestnut-collared Longspur Smith's Longspur Snowy Egret Piping Plover Louisiana Waterthrush Ruff Cedar Waxwing Eurasian Collared Dove Black-legged Kittiwake Bohemian Waxwing Surf Scoter Long-eared Owl Red-throated Loon Western Grebe Eurasian Tree Sparrow Common Loon
Related People Van Dyk, John, 1936- Kent, Thomas H. (Thomas Hugh), 1934- Harr, Douglas C. Spengler, Ron Boersma, Albert Brand, Gordon James Vander Kooi, Daryl Van Dyke, Tina Dinsmore, James J. Bendorf, Carl J. Brand, Mary Elizabeth Iowa Ornithologists' Union Fuller, James L Brown, Beth Nelson, Weir Washburn, Lowell Black, Gladys Fuller, Charles R. Schantz, Tim Boeckmann, Robert Ernzen, Peter Sinclair, Jim Widner, Russ Stone, Dale
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