المؤلفون: Iowa Ornithologists' Union, http://id.loc.gov/authorities/names/no99028917

المصدر: Iowa Ornithologists’ Union records ; https://n2t.net/ark:/87292/w97v03 ; MS 166

مصطلحات موضوعية: Bird watching, http://id.worldcat.org/fast/832948, Birds--Counting, http://id.worldcat.org/fast/832986, Birds--Research, http://id.worldcat.org/fast/833061, Flycatchers (Tyrannidae), https://www.gbif.org/species/5291, Perching-birds and songbirds (Passeriformes), https://www.gbif.org/species/729, Shrikes (Laniidae), https://www.gbif.org/species/9315, Thrushes (Turdidae), https://www.gbif.org/species/5290, Vireos (Vireonidae), https://www.gbif.org/species/9358, Waxwings (Bombycillidae), https://www.gbif.org/species/5215, Wrens (Troglodytidae), https://www.gbif.org/species/9355

جغرافية الموضوع: Iowa, https://www.geonames.org/4862182

وصف الملف: 3 pages

Relation: Iowa Ornithologists' Union; https://n2t.net/ark:/87292/w9513tv8b; https://n2t.net/ark:/87292/w9r785q9d; IOU_18568; 8969; https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_18568/datastream/TN/view/List%203,%20Flycatchers-Starling,%20summer%202002.jpg

الاتاحة: https://n2t.net/ark:/87292/w9r785q9d
https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_18568/datastream/TN/view/List%203,%20Flycatchers-Starling,%20summer%202002.jpg

المؤلفون: Carter, Dennis L., http://id.loc.gov/authorities/names/n85827829

المصدر: Iowa Ornithologists’ Union records ; https://n2t.net/ark:/87292/w97v03 ; MS 166

مصطلحات موضوعية: Bird watching, http://id.worldcat.org/fast/832948, Birdsongs, http://id.worldcat.org/fast/833119, Weather, http://id.worldcat.org/fast/1173087, Waterfowl, http://id.worldcat.org/fast/1172618, Clay-colored Sparrow (Spizella pallida), https://www.gbif.org/species/2492101, Common Loon (Gavia immer), https://www.gbif.org/species/2481962, Willet (Tringa semipalmata), https://www.gbif.org/species/5789298, White-rumped Sandpiper (Calidris fuscicollis), https://www.gbif.org/species/2481756, Black-billed Cuckoo (Coccyzus erythropthalmus), https://www.gbif.org/species/2496286, Olive-sided Flycatcher (Contopus cooperi), https://www.gbif.org/species/5229743, Prothonotary Warbler (Protonotaria citrea), https://www.gbif.org/species/2489871, Louisiana Waterthrush (Parkesia motacilla), https://www.gbif.org/species/6093862, Red-breasted Nuthatch (Sitta canadensis), https://www.gbif.org/species/2484879, Water Pipit (Anthus spinoletta), https://www.gbif.org/species/2490255, Thrushes (Turdidae), https://www.gbif.org/species/5290

جغرافية الموضوع: Cardinal Marsh State Wildlife Area, https://www.geonames.org/4850389, Decorah, https://www.geonames.org/4853608, Lake Meyer, https://www.geonames.org/4867209, Effigy Mounds National Monument, https://www.geonames.org/4855160, Lake Cornelia State Game Management Area, https://www.geonames.org/4863921

وصف الملف: 4 pages

Relation: Iowa Ornithologists' Union; https://n2t.net/ark:/87292/w9513tv8b; https://n2t.net/ark:/87292/w90z70x73; IOU_8767; 5055; https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_8767/datastream/TN/view/Field%20reports,%20Spring%201994,%20Dennis%20Carter,%20June%202,%201994.jpg

الاتاحة: https://n2t.net/ark:/87292/w90z70x73
https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_8767/datastream/TN/view/Field%20reports,%20Spring%201994,%20Dennis%20Carter,%20June%202,%201994.jpg

المؤلفون: Iowa Ornithologists' Union, http://id.loc.gov/authorities/names/no99028917

المصدر: Iowa Ornithologists’ Union records ; https://n2t.net/ark:/87292/w97v03 ; MS 166

مصطلحات موضوعية: Bird watching, http://id.worldcat.org/fast/832948, Birds--Counting, http://id.worldcat.org/fast/832986, Birds--Research, http://id.worldcat.org/fast/833061, Ornithology--Methodology, http://id.worldcat.org/fast/1048361, Flycatchers (Tyrannidae), https://www.gbif.org/species/5291, Kinglets and Gnatcatchers (Sylviidae), https://www.gbif.org/species/5285, Swallows (Hirundinidae), https://www.gbif.org/species/5248, Thrushes (Turdidae), https://www.gbif.org/species/5290, Vireos (Vireonidae), https://www.gbif.org/species/9358, Warblers (Parulidae), https://www.gbif.org/species/5263, Wrens (Troglodytidae), https://www.gbif.org/species/9355, Woodpeckers and allies (Piciformes), https://www.gbif.org/species/724, Owls (Strigiformes), https://www.gbif.org/species/1450, Swifts and Hummingbirds (Apodiformes), https://www.gbif.org/species/1448, Sparrows (Emberizidae), https://www.gbif.org/species/9608

جغرافية الموضوع: Iowa, https://www.geonames.org/4862182

وصف الملف: 16 pages

Relation: Iowa Ornithologists' Union; https://n2t.net/ark:/87292/w9513tv8b; https://n2t.net/ark:/87292/w9fn10t20; IOU_12733; 6807; https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_12733/datastream/TN/view/Field%20reports,%20fall%201998,%20Burrowing%20Owl%20through%20Rusty%20Blackbird,%20December%2011,%201998.jpg

الاتاحة: https://n2t.net/ark:/87292/w9fn10t20
https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_12733/datastream/TN/view/Field%20reports,%20fall%201998,%20Burrowing%20Owl%20through%20Rusty%20Blackbird,%20December%2011,%201998.jpg

المؤلفون: Cummins, Raymond L.

المصدر: Iowa Ornithologists’ Union records ; https://n2t.net/ark:/87292/w97v03 ; MS 166

مصطلحات موضوعية: Bird watching, http://id.worldcat.org/fast/832948, Birds of prey, http://id.worldcat.org/fast/833096, American Woodcock (Scolopax minor), https://www.gbif.org/species/2481695, Flycatchers (Tyrannidae), https://www.gbif.org/species/5291, Thrushes (Turdidae), https://www.gbif.org/species/5290, Warblers (Parulidae), https://www.gbif.org/species/5263

جغرافية الموضوع: https://www.geonames.org/4863846, Sharon Bluffs State Park, https://www.geonames.org/4876049

Time: Lacey-Keosauqua State Park

وصف الملف: 1 page

Relation: Iowa Ornithologists' Union; https://n2t.net/ark:/87292/w9513tv8b; https://n2t.net/ark:/87292/w9d50g14x; IOU_3173; MS0166b020f008i009.tif; 2734; https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_3173/datastream/TN/view/Annotated%20bird%20sighting%20list%20for%20Summer%201983%20compiled%20by%20Raymond%20Cummins.jpg

الاتاحة: https://n2t.net/ark:/87292/w9d50g14x
https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_3173/datastream/TN/view/Annotated%20bird%20sighting%20list%20for%20Summer%201983%20compiled%20by%20Raymond%20Cummins.jpg

المؤلفون: Howe, Robert W. (Robert William), 1952-, http://id.loc.gov/authorities/names/no2009062378

المساهمون: Stravers, Jon, http://id.loc.gov/authorities/names/n87115704, Rector, Curtis L., Ewert, David, Phillips, Gary, Bowles, David

المصدر: Iowa Ornithologists’ Union records ; https://n2t.net/ark:/87292/w97v03 ; MS 166

مصطلحات موضوعية: Bird watching, http://id.worldcat.org/fast/832948, Birds of prey, http://id.worldcat.org/fast/833096, Birdsongs, http://id.worldcat.org/fast/833119, Water birds, http://id.worldcat.org/fast/1171557, Shore-birds, Gulls, and Auks (Charadriiformes), https://www.gbif.org/species/7192402, Shrikes (Laniidae), https://www.gbif.org/species/9315, Finches (Fringillidae), https://www.gbif.org/species/5242, Thrushes (Turdidae), https://www.gbif.org/species/5290, Vireos (Vireonidae), https://www.gbif.org/species/9358, Warblers (Parulidae), https://www.gbif.org/species/5263

جغرافية الموضوع: Clay County, https://www.geonames.org/4851866, Fremont County, https://www.geonames.org/4857806, Lee County, https://www.geonames.org/4864395, https://www.geonames.org/4865839, Mills County, https://www.geonames.org/4867477

Time: Madison County

وصف الملف: 5 pages

Relation: Iowa Ornithologists' Union; https://n2t.net/ark:/87292/w9513tv8b; https://n2t.net/ark:/87292/w9028ph01; IOU_3129; 2741; https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_3129/datastream/TN/view/Field%20report%20form.jpg

الاتاحة: https://n2t.net/ark:/87292/w9028ph01
https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_3129/datastream/TN/view/Field%20report%20form.jpg

المؤلفون: Martsching, Paul

المصدر: Iowa Ornithologists’ Union records ; https://n2t.net/ark:/87292/w97v03 ; MS 166

مصطلحات موضوعية: Bird watching, http://id.worldcat.org/fast/832948, Birdsongs, http://id.worldcat.org/fast/833119, Water birds, http://id.worldcat.org/fast/1171557, Flycatchers (Tyrannidae), https://www.gbif.org/species/5291, Shore-birds, Gulls, and Auks (Charadriiformes), https://www.gbif.org/species/7192402, Thrushes (Turdidae), https://www.gbif.org/species/5290, Warblers (Parulidae), https://www.gbif.org/species/5263

جغرافية الموضوع: Ames, https://www.geonames.org/4846834, Colo, https://www.geonames.org/4852282, Story County, https://www.geonames.org/4877685, McFarland Lake Park, https://www.geonames.org/4866700

Time: Story County

وصف الملف: 2 pages

Relation: Iowa Ornithologists' Union; https://n2t.net/ark:/87292/w9513tv8b; https://n2t.net/ark:/87292/w92v2cd45; IOU_3160; 2746; https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_3160/datastream/TN/view/List%20of%20birds%20sighted%20compiled%20by%20Paul%20Martsching.jpg

الاتاحة: https://n2t.net/ark:/87292/w92v2cd45
https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_3160/datastream/TN/view/List%20of%20birds%20sighted%20compiled%20by%20Paul%20Martsching.jpg

المؤلفون: Bray, Tanya

المساهمون: Kovanda, James, Jr., Kovanda, Sandra, Padelford, Babs, Rose, B.J., Saunders, Andrew, Wilson, Barbara L., Ratzlaff, Neal S.

المصدر: Iowa Ornithologists’ Union records ; https://n2t.net/ark:/87292/w97v03 ; MS 166

مصطلحات موضوعية: Bird watching, http://id.worldcat.org/fast/832948, Water birds, http://id.worldcat.org/fast/1171557, Weather, http://id.worldcat.org/fast/1173087, Flycatchers (Tyrannidae), https://www.gbif.org/species/5291, Shore-birds, Gulls, and Auks (Charadriiformes), https://www.gbif.org/species/7192402, Shrikes (Laniidae), https://www.gbif.org/species/9315, Thrushes (Turdidae), https://www.gbif.org/species/5290, Vireos (Vireonidae), https://www.gbif.org/species/9358, Waxwings (Bombycillidae), https://www.gbif.org/species/5215, Wrens (Troglodytidae), https://www.gbif.org/species/9355

جغرافية الموضوع: Forneys Lake State Wildlife Management Area, https://www.geonames.org/4857457, Lake Anita State Park, https://www.geonames.org/4863894, Lake Manawa State Park, https://www.geonames.org/4863957, Mills County, https://www.geonames.org/4867477, Pottawattamie County, https://www.geonames.org/4871894

وصف الملف: 3 pages

Relation: Iowa Ornithologists' Union; https://n2t.net/ark:/87292/w9513tv8b; https://n2t.net/ark:/87292/w9cc0tx2h; IOU_3117; 2733; https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_3117/datastream/TN/view/Annotated%20bird%20sighting%20list%20for%20Summer%201983%20compiled%20by%20Tanya%20Bray.jpg

الاتاحة: https://n2t.net/ark:/87292/w9cc0tx2h
https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_3117/datastream/TN/view/Annotated%20bird%20sighting%20list%20for%20Summer%201983%20compiled%20by%20Tanya%20Bray.jpg

المؤلفون: Wilson, Barbara L.

المساهمون: Kent, Thomas H. (Thomas Hugh), 1934-, http://id.loc.gov/authorities/names/n78093572

المصدر: Iowa Ornithologists’ Union records ; https://n2t.net/ark:/87292/w97v03 ; MS 166

مصطلحات موضوعية: Bird watching, http://id.worldcat.org/fast/832948, Birds of prey, http://id.worldcat.org/fast/833096, Water birds, http://id.worldcat.org/fast/1171557, Weather, http://id.worldcat.org/fast/1173087, Lincoln's Sparrow (Melospiza lincolnii), https://www.gbif.org/species/2492192, Common Starling (Sturnus vulgaris), https://www.gbif.org/species/9809229, Ducks, Geese, and Swans (Anseriformes), https://www.gbif.org/species/1108, Finches (Fringillidae), https://www.gbif.org/species/5242, Thrushes (Turdidae), https://www.gbif.org/species/5290

جغرافية الموضوع: Lake Manawa, https://www.geonames.org/4865994, Mills County, https://www.geonames.org/4867477, Hastings, https://www.geonames.org/4860019, Willow Slough State Game Management Area, https://www.geonames.org/4882101

وصف الملف: 3 pages

Relation: Iowa Ornithologists' Union; https://n2t.net/ark:/87292/w9513tv8b; https://n2t.net/ark:/87292/w90k26f3p; IOU_2295; 3035; https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_2295/datastream/TN/view/Barb%20Wilson%20letter%20to%20Thomas%20Kent%20regarding%20Winter%20birds%20sighted,%20February%2028,%201981.jpg

الاتاحة: https://n2t.net/ark:/87292/w90k26f3p
https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_2295/datastream/TN/view/Barb%20Wilson%20letter%20to%20Thomas%20Kent%20regarding%20Winter%20birds%20sighted,%20February%2028,%201981.jpg

المؤلفون: Sandrock, James P., 1929-, http://id.loc.gov/authorities/names/nr97026183

المساهمون: Thompson, Carol A., http://id.loc.gov/authorities/names/n96062658, Cordell, John, Fuller, Charles, Huntington, James

المصدر: Iowa Ornithologists’ Union records ; https://n2t.net/ark:/87292/w97v03 ; MS 166

مصطلحات موضوعية: Bird watching, http://id.worldcat.org/fast/832948, Birds--Migration, http://id.worldcat.org/fast/833033, Birdsongs, http://id.worldcat.org/fast/833119, Weather, http://id.worldcat.org/fast/1173087, Ruffed Grouse (Bonasa umbellus), https://www.gbif.org/species/2473702, Bobolink (Dolichonyx oryzivorus), https://www.gbif.org/species/2484417, Blue-gray Gnatcatcher (Polioptila caerulea), https://www.gbif.org/species/2487596, Summer Tanager (Piranga rubra), https://www.gbif.org/species/2488485, Wood Thrush (Hylocichla mustelina), https://www.gbif.org/species/2490872, Dickcissel (Spiza americana), https://www.gbif.org/species/2490363, Cerulean Warbler (Setophaga cerulea), https://www.gbif.org/species/6093350, Red-bellied Woodpecker (Melanerpes carolinus), https://www.gbif.org/species/2478106, Tundra Swan (Cygnus columbianus), https://www.gbif.org/species/2498338, Thrushes (Turdidae), https://www.gbif.org/species/5290, Warblers (Parulidae), https://www.gbif.org/species/5263

جغرافية الموضوع: Cone Marsh Wildlife Management Area, https://www.geonames.org/4852456, https://www.geonames.org/4863846, Van Buren County, https://www.geonames.org/4879999

Time: Lacey-Keosauqua State Park

وصف الملف: 1 page

Relation: Iowa Ornithologists' Union; https://n2t.net/ark:/87292/w9513tv8b; https://n2t.net/ark:/87292/w91c1tk1t; IOU_5963; MS0166b022f003i067.tif; 3311; https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_5963/datastream/TN/view/Field%20reports%20form%20for%20submitting%20seasonal%20observations%20of%20Iowa%20birds,%20James%20Sandrock,%20Spring%201986.jpg

الاتاحة: https://n2t.net/ark:/87292/w91c1tk1t
https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_5963/datastream/TN/view/Field%20reports%20form%20for%20submitting%20seasonal%20observations%20of%20Iowa%20birds,%20James%20Sandrock,%20Spring%201986.jpg

المؤلفون: Brewer, Marion M.

المصدر: Iowa Ornithologists’ Union records ; https://n2t.net/ark:/87292/w97v03 ; MS 166

مصطلحات موضوعية: Bird watching, http://id.worldcat.org/fast/832948, Weather, http://id.worldcat.org/fast/1173087, Birdhouses, http://id.worldcat.org/fast/832965, White-faced Ibis (Plegadis chihi), https://www.gbif.org/species/9375033, Short-eared Owl (Asio flammeus), https://www.gbif.org/species/2497295, Lazuli Bunting (Passerina amoena), https://www.gbif.org/species/5230861, Common Loon (Gavia immer), https://www.gbif.org/species/2481962, Yellow-Crowned Night Heron (Nycticorax violaceus), https://www.gbif.org/species/7928130, Sora (Porzana carolina), https://www.gbif.org/species/2474639, Blue Grosbeak (Passerina caerulea), https://www.gbif.org/species/5230862, Thrushes (Turdidae), https://www.gbif.org/species/5290, Warblers (Parulidae), https://www.gbif.org/species/5263

جغرافية الموضوع: Larrabee, https://www.geonames.org/4864208, Cherokee, https://www.geonames.org/4851247, Little Clear Lake Park, https://www.geonames.org/4865046, Quimby, https://www.geonames.org/4872355, Rush Lake, https://www.geonames.org/4873794

وصف الملف: 3 pages

Relation: Iowa Ornithologists' Union; https://n2t.net/ark:/87292/w9513tv8b; https://n2t.net/ark:/87292/w90v89m4p; IOU_5669; 3283; https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_5669/datastream/TN/view/Field%20reports%20form%20for%20submitting%20seasonal%20observations%20of%20Iowa%20birds,%20Marion%20Brewer,%20Spring%201986.jpg

الاتاحة: https://n2t.net/ark:/87292/w90v89m4p
https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_5669/datastream/TN/view/Field%20reports%20form%20for%20submitting%20seasonal%20observations%20of%20Iowa%20birds,%20Marion%20Brewer,%20Spring%201986.jpg

المؤلفون: Cecil, Robert I.

المساهمون: Kent, Thomas H. (Thomas Hugh), 1934-, http://id.loc.gov/authorities/names/n78093572

المصدر: Iowa Ornithologists’ Union records ; https://n2t.net/ark:/87292/w97v03 ; MS 166

مصطلحات موضوعية: Bird watching, http://id.worldcat.org/fast/832948, Birds--Counting, http://id.worldcat.org/fast/832986, Purple Finch (Haemorhous purpureus), https://www.gbif.org/species/7804446, Yellow-bellied Flycatcher (Empidonax flaviventris), https://www.gbif.org/species/2482785, Prairie Warbler (Setophaga discolor), https://www.gbif.org/species/7341789, Flycatchers (Tyrannidae), https://www.gbif.org/species/5291, Jays, Crows, and allies (Corvidae), https://www.gbif.org/species/5235, Finches (Fringillidae), https://www.gbif.org/species/5242, Swallows (Hirundinidae), https://www.gbif.org/species/5248, Thrushes (Turdidae), https://www.gbif.org/species/5290, Vireos (Vireonidae), https://www.gbif.org/species/9358, Warblers (Parulidae), https://www.gbif.org/species/5263, Wrens (Troglodytidae), https://www.gbif.org/species/9355

جغرافية الموضوع: Keokuk, https://www.geonames.org/4863349, https://www.geonames.org/4863846, Shimek State Forest Wildlife Management Area - Croton Unit, https://www.geonames.org/4876291

Time: Lacey-Keosauqua State Park, Shimek State Forest Wildlife Management Area - Croton Unit

وصف الملف: 6 pages

Relation: Iowa Ornithologists' Union; https://n2t.net/ark:/87292/w9513tv8b; https://n2t.net/ark:/87292/w9s46h91t; IOU_5111; 3191; https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_5111/datastream/TN/view/Robert%20Cecil%20letter%20to%20Thomas%20Kent%20regarding%20Fall%20bird%20sightings,%20November%2020,%201985.jpg

الاتاحة: https://n2t.net/ark:/87292/w9s46h91t
https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_5111/datastream/TN/view/Robert%20Cecil%20letter%20to%20Thomas%20Kent%20regarding%20Fall%20bird%20sightings,%20November%2020,%201985.jpg

المؤلفون: Braley, Francis, Braley, Jean B.

المساهمون: Kent, Thomas H. (Thomas Hugh), 1934-, http://id.loc.gov/authorities/names/n78093572, Phipps, Ruth O., Gee, Charles, 1921-2007

المصدر: Iowa Ornithologists’ Union records ; https://n2t.net/ark:/87292/w97v03 ; MS 166

مصطلحات موضوعية: Bird watching, http://id.worldcat.org/fast/832948, Birds of prey, http://id.worldcat.org/fast/833096, Water birds, http://id.worldcat.org/fast/1171557, Weather, http://id.worldcat.org/fast/1173087, Yellow-breasted Chat (Icteria virens), https://www.gbif.org/species/2489989, Evening Grosbeak (Hesperiphona vespertina), https://www.gbif.org/species/2494324, Scarlet Tanager (Piranga olivacea), https://www.gbif.org/species/2488517, Finches (Fringillidae), https://www.gbif.org/species/5242, Thrushes (Turdidae), https://www.gbif.org/species/5290, Warblers (Parulidae), https://www.gbif.org/species/5263, Silcock, W. Ross, http://id.loc.gov/authorities/names/n00015377

جغرافية الموضوع: Shenandoah, https://www.geonames.org/4876190

وصف الملف: 4 pages

Relation: Iowa Ornithologists' Union; https://n2t.net/ark:/87292/w9513tv8b; https://n2t.net/ark:/87292/w9804xp2d; IOU_5293; 3182; https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_5293/datastream/TN/view/Field%20checklist%20of%20Iowa%20birds.jpg

الاتاحة: https://n2t.net/ark:/87292/w9804xp2d
https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_5293/datastream/TN/view/Field%20checklist%20of%20Iowa%20birds.jpg

المؤلفون: Proescholdt, Beth

المساهمون: Harris, Phyllis J., Proescholdt, Mark, Sommerlot, Ramona R., Seward, Garnita, Slife, Nancy

المصدر: Iowa Ornithologists’ Union records ; https://n2t.net/ark:/87292/w97v03 ; MS 166

مصطلحات موضوعية: Birds--Migration, http://id.worldcat.org/fast/833033, Weather, http://id.worldcat.org/fast/1173087, Blue-gray Gnatcatcher (Polioptila caerulea), https://www.gbif.org/species/2487596, Ruddy Turnstone (Arenaria interpres), https://www.gbif.org/species/2481776, Olive-sided Flycatcher (Contopus cooperi), https://www.gbif.org/species/5229743, Worm-eating Warbler (Helmitheros vermivorum), https://www.gbif.org/species/2489603, Canada Goose (Branta canadensis), https://www.gbif.org/species/5232437, Eastern Whip-poor-will (Antrostomus vociferus), https://www.gbif.org/species/6101178, Finches (Fringillidae), https://www.gbif.org/species/5242, Thrushes (Turdidae), https://www.gbif.org/species/5290, Vireos (Vireonidae), https://www.gbif.org/species/9358, Warblers (Parulidae), https://www.gbif.org/species/5263

جغرافية الموضوع: Grammer Grove County Wildlife Area, https://www.geonames.org/4858865, Hendrickson Marsh Lake, https://www.geonames.org/4860341, Marshall County, https://www.geonames.org/4866360, Pine Lake State Park, https://www.geonames.org/4871302, Cooper Prairie Marsh, https://www.geonames.org/11776386

وصف الملف: 4 pages

Relation: Iowa Ornithologists' Union; https://n2t.net/ark:/87292/w9513tv8b; https://n2t.net/ark:/87292/w93b5w86t; IOU_2065; 2536; https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_2065/datastream/TN/view/Field%20notes%20contributed%20by%20Beth%20Proescholdt,%20spring%201982.jpg

الاتاحة: https://n2t.net/ark:/87292/w93b5w86t
https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_2065/datastream/TN/view/Field%20notes%20contributed%20by%20Beth%20Proescholdt,%20spring%201982.jpg

المؤلفون: Staudt, Thomas J.

المصدر: Iowa Ornithologists’ Union records ; https://n2t.net/ark:/87292/w97v03 ; MS 166

مصطلحات موضوعية: Bird watching, http://id.worldcat.org/fast/832948, Birds--Identification, http://id.worldcat.org/fast/833029, Weather, http://id.worldcat.org/fast/1173087, Broad-winged Hawk (Buteo platypterus), https://www.gbif.org/species/2480538, Little Blue Heron (Egretta caerulea), https://www.gbif.org/species/2480894, Double-crested Cormorant (Phalacrocorax auritus), https://www.gbif.org/species/2481875, Nelson's Sharp-tailed Sparrow (Ammodramus nelsoni), https://www.gbif.org/species/2491088, Dunlin (Calidris alpina), https://www.gbif.org/species/2481759, Long-billed Dowitcher (Limnodromus scolopaceus), https://www.gbif.org/species/2481670, Yellow-bellied Flycatcher (Empidonax flaviventris), https://www.gbif.org/species/2482785, Hooded Merganser (Lophodytes cucullatus), https://www.gbif.org/species/2498408, Sharp-shinned Hawk (Accipiter striatus), https://www.gbif.org/species/9740253, Finches (Fringillidae), https://www.gbif.org/species/5242, Thrushes (Turdidae), https://www.gbif.org/species/5290, Warblers (Parulidae), https://www.gbif.org/species/5263

جغرافية الموضوع: Cone Marsh Wildlife Management Area, https://www.geonames.org/4852456, Hickory Hill Park, https://www.geonames.org/4860516, Muskrat Slough State Game Management Area, https://www.geonames.org/4868444, West Hoosier Creek, https://www.geonames.org/4881412

وصف الملف: 3 pages

Relation: Iowa Ornithologists' Union; https://n2t.net/ark:/87292/w9513tv8b; https://n2t.net/ark:/87292/w9t14tq3d; IOU_1976; 2543; https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_1976/datastream/TN/view/Field%20notes%20contributed%20by%20Thomas%20J.%20Staudt,%20spring%201982.jpg

الاتاحة: https://n2t.net/ark:/87292/w9t14tq3d
https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_1976/datastream/TN/view/Field%20notes%20contributed%20by%20Thomas%20J.%20Staudt,%20spring%201982.jpg

المؤلفون: Brunner, Dorothy A.

المساهمون: Kent, Thomas H. (Thomas Hugh), 1934-, http://id.loc.gov/authorities/names/n78093572

المصدر: Iowa Ornithologists’ Union records ; https://n2t.net/ark:/87292/w97v03 ; MS 166

مصطلحات موضوعية: Bird watching, http://id.worldcat.org/fast/832948, Birds--Nests, http://id.worldcat.org/fast/833043, Birds--Research, http://id.worldcat.org/fast/833061, Ornithology--Methodology, http://id.worldcat.org/fast/1048361, Red-headed Woodpecker (Melanerpes erythrocephalus), https://www.gbif.org/species/2478130, Bobolink (Dolichonyx oryzivorus), https://www.gbif.org/species/2484417, Eastern Kingbird (Tyrannus tyrannus), https://www.gbif.org/species/5229688, Black Tern (Chlidonias niger), https://www.gbif.org/species/2481119, Red-eyed Vireo (Vireo olivaceus), https://www.gbif.org/species/2487430, Great Egret (Ardea alba), https://www.gbif.org/species/9752617, Green Heron (Butorides virescens), https://www.gbif.org/species/9539567, Hawks and Eagles (Accipitridae), https://www.gbif.org/species/2877, Swallows (Hirundinidae), https://www.gbif.org/species/5248, Thrushes (Turdidae), https://www.gbif.org/species/5290, Vireos (Vireonidae), https://www.gbif.org/species/9358

جغرافية الموضوع: Clear Lake, https://www.geonames.org/4851934, Nora Springs, https://www.geonames.org/4869045, Shell Rock River, https://www.geonames.org/4876171

وصف الملف: 2 pages

Relation: Iowa Ornithologists' Union; https://n2t.net/ark:/87292/w9513tv8b; https://n2t.net/ark:/87292/w9416t060; IOU_1565; 2192; https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_1565/datastream/TN/view/Dorothy%20A.%20Brunner%20letter%20to%20Thomas%20H.%20Kent%20regarding%20bird%20sightings,%20May%2028,%201980.jpg

الاتاحة: https://n2t.net/ark:/87292/w9416t060
https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_1565/datastream/TN/view/Dorothy%20A.%20Brunner%20letter%20to%20Thomas%20H.%20Kent%20regarding%20bird%20sightings,%20May%2028,%201980.jpg

المؤلفون: Sinclair, Jim

المصدر: Iowa Ornithologists’ Union records ; https://n2t.net/ark:/87292/w97v03 ; MS 166

مصطلحات موضوعية: Weather, http://id.worldcat.org/fast/1173087, Pine Siskin (Spinus pinus), https://www.gbif.org/species/5231635, Flycatchers (Tyrannidae), https://www.gbif.org/species/5291, Thrushes (Turdidae), https://www.gbif.org/species/5290, Vireos (Vireonidae), https://www.gbif.org/species/9358, Warblers (Parulidae), https://www.gbif.org/species/5263

جغرافية الموضوع: Lake Ahquabi, https://www.geonames.org/4846479, Des Moines, https://www.geonames.org/4853828, Indianola, https://www.geonames.org/4861719, Ledges State Park, https://www.geonames.org/4864384, Carlisle, https://www.geonames.org/4850411

وصف الملف: 3 pages

Relation: Iowa Ornithologists' Union; https://n2t.net/ark:/87292/w9513tv8b; https://n2t.net/ark:/87292/w9k35mh53; IOU_3710; 3018; https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_3710/datastream/TN/view/Field%20reports%20form,%20contributed%20by%20Jim%20Sinclair,%20spring%201985.jpg

الاتاحة: https://n2t.net/ark:/87292/w9k35mh53
https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_3710/datastream/TN/view/Field%20reports%20form,%20contributed%20by%20Jim%20Sinclair,%20spring%201985.jpg

المؤلفون: Black, Gladys, http://id.loc.gov/authorities/names/n88224724

المساهمون: Stravers, Jon, http://id.loc.gov/authorities/names/n87115704, Halmi, Nicholas S., Scott, Charlotte, Bagford, Jack, Fountain, Dorothy Marie Kos, 1909-2005

المصدر: Iowa Ornithologists’ Union records ; https://n2t.net/ark:/87292/w97v03 ; MS 166

مصطلحات موضوعية: Bird surveys, http://id.worldcat.org/fast/832945, Bird watching, http://id.worldcat.org/fast/832948, Birds--Identification, http://id.worldcat.org/fast/833029, Birds--Nests, http://id.worldcat.org/fast/833043, Birds--Research, http://id.worldcat.org/fast/833061, Wild Turkey (Meleagris gallopavo), https://www.gbif.org/species/9606290, Red-tailed Hawk (Buteo jamaicensis), https://www.gbif.org/species/2480542, Snowy Owl (Bubo scandiacus), https://www.gbif.org/species/5959143, Northern Shrike (Lanius borealis), https://www.gbif.org/species/7690702, Pileated Woodpecker (Dryocopus pileatus), https://www.gbif.org/species/5228824, Spotted Towhee (Pipilo maculatus), https://www.gbif.org/species/9709230, Thrushes (Turdidae), https://www.gbif.org/species/5290

جغرافية الموضوع: Iowa City, https://www.geonames.org/4862034, Mason City, https://www.geonames.org/4866445, Ottumwa, https://www.geonames.org/4870380, Rathbun Lake, https://www.geonames.org/4872517, Seymour, https://www.geonames.org/4875990

وصف الملف: 2 pages

Relation: Iowa Ornithologists' Union; https://n2t.net/ark:/87292/w9513tv8b; https://n2t.net/ark:/87292/w92j68527; IOU_1390; 1884; https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_1390/datastream/TN/view/Gladys%20Black%20letter%20to%20Nicholas%20S.%20Halmi%20regarding%20bird%20sightings,%20January%2021,%201977.jpg

الاتاحة: https://n2t.net/ark:/87292/w92j68527
https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_1390/datastream/TN/view/Gladys%20Black%20letter%20to%20Nicholas%20S.%20Halmi%20regarding%20bird%20sightings,%20January%2021,%201977.jpg

المؤلفون: Martsching, Paul

المصدر: Iowa Ornithologists’ Union records ; https://n2t.net/ark:/87292/w97v03 ; MS 166

مصطلحات موضوعية: Bird watching, http://id.worldcat.org/fast/832948, Birds--Identification, http://id.worldcat.org/fast/833029, Ovenbird (Seiurus aurocapilla), https://www.gbif.org/species/2489590, Pine Warbler (Setophaga pinus), https://www.gbif.org/species/7341816, Thrushes (Turdidae), https://www.gbif.org/species/5290, Vireos (Vireonidae), https://www.gbif.org/species/9358, Warblers (Parulidae), https://www.gbif.org/species/5263

جغرافية الموضوع: Brookside Park, https://www.geonames.org/4849473

وصف الملف: 1 page

Relation: Iowa Ornithologists' Union; https://n2t.net/ark:/87292/w9513tv8b; https://n2t.net/ark:/87292/w99z90d2h; IOU_14348; MS0166b024f001i0084.tif; 4515; https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_14348/datastream/TN/view/Field%20reports,%20Paul%20Martsching,%20fall%201989.jpg

الاتاحة: https://n2t.net/ark:/87292/w99z90d2h
https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_14348/datastream/TN/view/Field%20reports,%20Paul%20Martsching,%20fall%201989.jpg

المؤلفون: Proescholdt, Beth

المساهمون: Dinsmore, Stephen J., http://id.loc.gov/authorities/names/n96008048, Harris, Phyllis J., Proescholdt, Mark, Sommerlot, Ramona R., Check, Arthur

المصدر: Iowa Ornithologists’ Union records ; https://n2t.net/ark:/87292/w97v03 ; MS 166

مصطلحات موضوعية: Bird watching, http://id.worldcat.org/fast/832948, Birds--Migration, http://id.worldcat.org/fast/833033, Birdsongs, http://id.worldcat.org/fast/833119, Eastern Bluebird (Sialia sialis), https://www.gbif.org/species/2490941, Lapland Longspur (Calcarius lapponicus), https://www.gbif.org/species/2491678, Virginia Rail (Rallus limicola), https://www.gbif.org/species/2474825, Marsh Wren (Cistothorus palustris), https://www.gbif.org/species/2493863, Hermit Thrush (Catharus guttatus), https://www.gbif.org/species/2490810, Fox Sparrow (Passerella iliaca), https://www.gbif.org/species/2491872, Winter Wren (Troglodytes hiemalis), https://www.gbif.org/species/7340825, Ducks, Geese, and Swans (Anseriformes), https://www.gbif.org/species/1108, Thrushes (Turdidae), https://www.gbif.org/species/5290, Warblers (Parulidae), https://www.gbif.org/species/5263

جغرافية الموضوع: Grammer Grove County Wildlife Area, https://www.geonames.org/4858865, Grundy County, https://www.geonames.org/4859441, Ledges State Park, https://www.geonames.org/4864384, Marshall County, https://www.geonames.org/4866360, Pine Lake State Park, https://www.geonames.org/4871302

وصف الملف: 4 pages

Relation: Iowa Ornithologists' Union; https://n2t.net/ark:/87292/w9513tv8b; https://n2t.net/ark:/87292/w9tq5rh73; IOU_3538; 3014; https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_3538/datastream/TN/view/Field%20reports%20form,%20contributed%20by%20Beth%20Proescholdt,%20spring%201985.jpg

الاتاحة: https://n2t.net/ark:/87292/w9tq5rh73
https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_3538/datastream/TN/view/Field%20reports%20form,%20contributed%20by%20Beth%20Proescholdt,%20spring%201985.jpg

المؤلفون: Black, Gladys, http://id.loc.gov/authorities/names/n88224724

المساهمون: Kent, Thomas H. (Thomas Hugh), 1934-, http://id.loc.gov/authorities/names/n78093572

المصدر: Iowa Ornithologists’ Union records ; https://n2t.net/ark:/87292/w97v03 ; MS 166

مصطلحات موضوعية: Bird watching, http://id.worldcat.org/fast/832948, Migratory birds, http://id.worldcat.org/fast/1749366, Red-tailed Hawk (Buteo jamaicensis), https://www.gbif.org/species/2480542, Double-crested Cormorant (Phalacrocorax auritus), https://www.gbif.org/species/2481875, Turkey Vulture (Cathartes aura), https://www.gbif.org/species/2481930, Evening Grosbeak (Hesperiphona vespertina), https://www.gbif.org/species/2494324, Peregrine Falcon (Falco peregrinus), https://www.gbif.org/species/2481047, Caspian Tern (Hydroprogne caspia), https://www.gbif.org/species/2481236, Northern Mockingbird (Mimus polyglottos), https://www.gbif.org/species/5231677, Pine Siskin (Spinus pinus), https://www.gbif.org/species/5231635, Great Blue Heron (Ardea herodias), https://www.gbif.org/species/9630752, Bonaparte's Gull (Chroicocephalus philadelphia), https://www.gbif.org/species/6065818, Great Egret (Ardea alba), https://www.gbif.org/species/9752617, Thrushes (Turdidae), https://www.gbif.org/species/5290

جغرافية الموضوع: Lake Red Rock, https://www.geonames.org/4864002, Pleasantville, https://www.geonames.org/4871647, Knoxville, https://www.geonames.org/4863705

وصف الملف: 2 pages

Relation: Iowa Ornithologists' Union; https://n2t.net/ark:/87292/w9513tv8b; https://n2t.net/ark:/87292/w9zg6g998; IOU_2494; 2266; https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_2494/datastream/TN/view/Field%20notes%20contributed%20by%20Gladys%20Black,%20November%2021%201980.jpg

الاتاحة: https://n2t.net/ark:/87292/w9zg6g998
https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_2494/datastream/TN/view/Field%20notes%20contributed%20by%20Gladys%20Black,%20November%2021%201980.jpg