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, Cranes, Rails, and Coots (Gruiformes), https://www.gbif.org/species/1493, Ducks, Geese, and Swans (Anseriformes), https://www.gbif.org/species/1108, Grebes (Podicipediformes), https://www.gbif.org/species/7191588, Herons, Bitterns, Egrets, Ibises, and Storks (Ciconiiformes), https://www.gbif.org/species/839, Loons (Gaviiformes), https://www.gbif.org/species/7192754

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

وصف الملف: 4 pages

Relation: Iowa Ornithologists' Union; https://n2t.net/ark:/87292/w9513tv8b; https://n2t.net/ark:/87292/w9ng4gt5h; IOU_18541; 8967; https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_18541/datastream/TN/view/List%201,%20Loons-Cranes,%20summer%202002.jpg

الاتاحة: https://n2t.net/ark:/87292/w9ng4gt5h
https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_18541/datastream/TN/view/List%201,%20Loons-Cranes,%20summer%202002.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--Geographical distribution, http://id.worldcat.org/fast/833021, Birds--Migration, http://id.worldcat.org/fast/833033, Migratory birds, http://id.worldcat.org/fast/1749366, Cranes, Rails, and Coots (Gruiformes), https://www.gbif.org/species/1493, Ducks, Geese, and Swans (Anseriformes), https://www.gbif.org/species/1108, Grebes (Podicipediformes), https://www.gbif.org/species/7191588, Hawks, Eagles, Falcons, Osprey, and Vultures (Falconiformes), https://www.gbif.org/species/7191407, Herons, Bitterns, Egrets, Ibises, and Storks (Ciconiiformes), https://www.gbif.org/species/839

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

وصف الملف: 64 pages

Relation: Iowa Ornithologists' Union; https://n2t.net/ark:/87292/w9513tv8b; https://n2t.net/ark:/87292/w9hd7nv38; IOU_19914; 10103; https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_19914/datastream/TN/view/References%20for%20early%20and%20late%20dates%20of%20Iowa%20birds.jpg

الاتاحة: https://n2t.net/ark:/87292/w9hd7nv38
https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_19914/datastream/TN/view/References%20for%20early%20and%20late%20dates%20of%20Iowa%20birds.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--Research, http://id.worldcat.org/fast/833061, Photography of birds, http://id.worldcat.org/fast/1061892, Rare birds, http://id.worldcat.org/fast/1090092, Cranes, Rails, and Coots (Gruiformes), https://www.gbif.org/species/1493, Ducks, Geese, and Swans (Anseriformes), https://www.gbif.org/species/1108, Grebes (Podicipediformes), https://www.gbif.org/species/7191588, Hawks, Eagles, Falcons, Osprey, and Vultures (Falconiformes), https://www.gbif.org/species/7191407, Herons, Bitterns, Egrets, Ibises, and Storks (Ciconiiformes), https://www.gbif.org/species/839

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

وصف الملف: 2 pages

Relation: Iowa Ornithologists' Union; https://n2t.net/ark:/87292/w9513tv8b; https://n2t.net/ark:/87292/w9697000x; IOU_13348; 6813; https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_13348/datastream/TN/view/Iowa,%20spring%201999,%20documentations,%20June%2012,%201999.jpg

الاتاحة: https://n2t.net/ark:/87292/w9697000x
https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_13348/datastream/TN/view/Iowa,%20spring%201999,%20documentations,%20June%2012,%201999.jpg

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

مصطلحات موضوعية: Bird watching, http://id.worldcat.org/fast/832948, Birds--Research, http://id.worldcat.org/fast/833061, Ornithology--Methodology, http://id.worldcat.org/fast/1048361, Ducks, Geese, and Swans (Anseriformes), https://www.gbif.org/species/1108, Grebes (Podicipediformes), https://www.gbif.org/species/7191588, Herons, Bitterns, Egrets, Ibises, and Storks (Ciconiiformes), https://www.gbif.org/species/839, Loons (Gaviiformes), https://www.gbif.org/species/7192754

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

وصف الملف: 9 pages

Relation: Iowa Ornithologists' Union; https://n2t.net/ark:/87292/w9513tv8b; https://n2t.net/ark:/87292/w99w09075; IOU_9231; 5143; https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_9231/datastream/TN/view/Fall%201994,%20Loons%20through%20Ducks,%20December%2010,%201994.jpg

الاتاحة: https://n2t.net/ark:/87292/w99w09075
https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_9231/datastream/TN/view/Fall%201994,%20Loons%20through%20Ducks,%20December%2010,%201994.jpg

المؤلفون: Fuller, James L., 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--Identification, http://id.worldcat.org/fast/833029, Dial-a-message telephone calls, http://id.worldcat.org/fast/892403, Avocets and Stilts (Recurvirostridae), https://www.gbif.org/species/4287244, Gulls and Terns (Laridae), https://www.gbif.org/species/9316, Hawks and Eagles (Accipitridae), https://www.gbif.org/species/2877, Herons, Bitterns, Egrets, Ibises, and Storks (Ciconiiformes), https://www.gbif.org/species/839, Plovers (Charadriidae), https://www.gbif.org/species/2480210, Sandpipers, Phalaropes, and allies (Scolopacidae), https://www.gbif.org/species/5282, Tanagers (Thraupidae), https://www.gbif.org/species/9352, Warblers (Parulidae), https://www.gbif.org/species/5263

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

وصف الملف: 19 pages

Relation: Iowa Ornithologists' Union; https://n2t.net/ark:/87292/w9513tv8b; https://n2t.net/ark:/87292/w96t0gz0s; IOU_18321; 9719; https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_18321/datastream/TN/view/Iowa%20Birdline%20update,%20May%2020-June%207,%201993.jpg

الاتاحة: https://n2t.net/ark:/87292/w96t0gz0s
https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_18321/datastream/TN/view/Iowa%20Birdline%20update,%20May%2020-June%207,%201993.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, Ducks, Geese, and Swans (Anseriformes), https://www.gbif.org/species/1108, Grebes (Podicipediformes), https://www.gbif.org/species/7191588, Herons, Bitterns, Egrets, Ibises, and Storks (Ciconiiformes), https://www.gbif.org/species/839, Loons (Gaviiformes), https://www.gbif.org/species/7192754

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

وصف الملف: 8 pages

Relation: Iowa Ornithologists' Union; https://n2t.net/ark:/87292/w9513tv8b; https://n2t.net/ark:/87292/w9r20rx6x; IOU_12846; 6805; https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_12846/datastream/TN/view/Field%20reports,%20fall%201998,%20Loons%20through%20Ducks,%20December%2011,%201998.jpg

الاتاحة: https://n2t.net/ark:/87292/w9r20rx6x
https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_12846/datastream/TN/view/Field%20reports,%20fall%201998,%20Loons%20through%20Ducks,%20December%2011,%201998.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, Ducks, Geese, and Swans (Anseriformes), https://www.gbif.org/species/1108, Grebes (Podicipediformes), https://www.gbif.org/species/7191588, Gulls and Terns (Laridae), https://www.gbif.org/species/9316, Hawks and Eagles (Accipitridae), https://www.gbif.org/species/2877, Herons, Bitterns, Egrets, Ibises, and Storks (Ciconiiformes), https://www.gbif.org/species/839, Plovers (Charadriidae), https://www.gbif.org/species/2480210, Sandpipers, Phalaropes, and allies (Scolopacidae), https://www.gbif.org/species/5282

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

وصف الملف: 19 pages

Relation: Iowa Ornithologists' Union; https://n2t.net/ark:/87292/w9513tv8b; https://n2t.net/ark:/87292/w9599z296; IOU_10959; 6282; https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_10959/datastream/TN/view/Iowa%20field%20report%20data,%20fall%201997,%20December%209,%201997.jpg

الاتاحة: https://n2t.net/ark:/87292/w9599z296
https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_10959/datastream/TN/view/Iowa%20field%20report%20data,%20fall%201997,%20December%209,%201997.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, Grebes (Podicipediformes), https://www.gbif.org/species/7191588, Herons, Bitterns, Egrets, Ibises, and Storks (Ciconiiformes), https://www.gbif.org/species/839, Sparrows (Emberizidae), https://www.gbif.org/species/9608

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

وصف الملف: 2 pages

Relation: Iowa Ornithologists' Union; https://n2t.net/ark:/87292/w9513tv8b; https://n2t.net/ark:/87292/w9p26q47b; IOU_9393; 5190; https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_9393/datastream/TN/view/Late%20reports%20-%20Spring%201996,%20July%201,%201996.jpg

الاتاحة: https://n2t.net/ark:/87292/w9p26q47b
https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_9393/datastream/TN/view/Late%20reports%20-%20Spring%201996,%20July%201,%201996.jpg

المؤلفون: Bray, Tanya

المساهمون: Kovanda, James, Jr., Kovanda, Sandra, Padelford, Babs, Padelford, Loren, Wilson, Barbara 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--Breeding, http://id.worldcat.org/fast/832978, Ornithology--Methodology, http://id.worldcat.org/fast/1048361, Ducks, Geese, and Swans (Anseriformes), https://www.gbif.org/species/1108, Herons, Bitterns, Egrets, Ibises, and Storks (Ciconiiformes), https://www.gbif.org/species/839, Sandpipers, Phalaropes, and allies (Scolopacidae), https://www.gbif.org/species/5282

جغرافية الموضوع: Forneys Lake, https://www.geonames.org/4857456, Fremont County, https://www.geonames.org/4857806, Willow Slough Dam, https://www.geonames.org/4882100

وصف الملف: 4 pages

Relation: Iowa Ornithologists' Union; https://n2t.net/ark:/87292/w9513tv8b; https://n2t.net/ark:/87292/w9h708161; IOU_2200; 2574; https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_2200/datastream/TN/view/Field%20report%20contributed%20by%20Tanya%20Bray,%20summer%201982.jpg

الاتاحة: https://n2t.net/ark:/87292/w9h708161
https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_2200/datastream/TN/view/Field%20report%20contributed%20by%20Tanya%20Bray,%20summer%201982.jpg

المؤلفون: Bendorf, Carl J.

المساهمون: Haldy, Lanny, Thornburg, Robert E.

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

مصطلحات موضوعية: Bird watching, http://id.worldcat.org/fast/832948, Birds--Research, http://id.worldcat.org/fast/833061, Ornithology--Methodology, http://id.worldcat.org/fast/1048361, Double-crested Cormorant (Phalacrocorax auritus), https://www.gbif.org/species/2481875, Eared Grebe (Podiceps nigricollis), https://www.gbif.org/species/2482065, American White Pelican (Pelecanus erythrorhynchos), https://www.gbif.org/species/5229155, Flycatchers (Tyrannidae), https://www.gbif.org/species/5291, Herons, Bitterns, Egrets, Ibises, and Storks (Ciconiiformes), https://www.gbif.org/species/839, Warblers (Parulidae), https://www.gbif.org/species/5263

جغرافية الموضوع: Iowa County, https://www.geonames.org/4831820, Allamakee County, https://www.geonames.org/4846643, Amana, https://www.geonames.org/4846786, Johnson County, https://www.geonames.org/4862732, Lake Red Rock, https://www.geonames.org/4864002

وصف الملف: 2 pages

Relation: Iowa Ornithologists' Union; https://n2t.net/ark:/87292/w9513tv8b; https://n2t.net/ark:/87292/w9wh2df8z; IOU_2188; 2571; https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_2188/datastream/TN/view/Field%20report%20contributed%20by%20Carl%20J.%20Bendorf%20for%20summer%201982.jpg

الاتاحة: https://n2t.net/ark:/87292/w9wh2df8z
https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_2188/datastream/TN/view/Field%20report%20contributed%20by%20Carl%20J.%20Bendorf%20for%20summer%201982.jpg

المؤلفون: Scott, Charlotte

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, Birds--Nests, http://id.worldcat.org/fast/833043, Songbirds, http://id.worldcat.org/fast/1126064, Birds--Feeding and feeds, http://id.worldcat.org/fast/833013, Little Blue Heron (Egretta caerulea), https://www.gbif.org/species/2480894, Upland Sandpiper (Bartramia longicauda), https://www.gbif.org/species/2481705, Cedar Waxwing (Bombycilla cedrorum), https://www.gbif.org/species/2484609, Bell's Vireo (Vireo bellii), https://www.gbif.org/species/2487441, American Robin (Turdus migratorius), https://www.gbif.org/species/9510564, Black-billed Cuckoo (Coccyzus erythropthalmus), https://www.gbif.org/species/2496286, Great Egret (Ardea alba), https://www.gbif.org/species/9752617, Herons, Bitterns, Egrets, Ibises, and Storks (Ciconiiformes), https://www.gbif.org/species/839

جغرافية الموضوع: Rathbun Lake, https://www.geonames.org/4872517, Seymour, https://www.geonames.org/4875990

وصف الملف: 1 page

Relation: Iowa Ornithologists' Union; https://n2t.net/ark:/87292/w9513tv8b; https://n2t.net/ark:/87292/w9pk07281; IOU_1787; MS0166b019f004i060.tif; 2254; https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_1787/datastream/TN/view/Charlotte%20Scott%20letter%20to%20Thomas%20H.%20Kent%20regarding%20bird%20sightings,%20September%2012,%201980.jpg

الاتاحة: https://n2t.net/ark:/87292/w9pk07281
https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_1787/datastream/TN/view/Charlotte%20Scott%20letter%20to%20Thomas%20H.%20Kent%20regarding%20bird%20sightings,%20September%2012,%201980.jpg

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

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

مصطلحات موضوعية: Bird watching, http://id.worldcat.org/fast/832948, Birds--Research, http://id.worldcat.org/fast/833061, Ornithology--Methodology, http://id.worldcat.org/fast/1048361, Hawks and Eagles (Accipitridae), https://www.gbif.org/species/2877, Herons, Bitterns, Egrets, Ibises, and Storks (Ciconiiformes), https://www.gbif.org/species/839, Sandpipers, Phalaropes, and allies (Scolopacidae), https://www.gbif.org/species/5282, Shore-birds, Gulls, and Auks (Charadriiformes), https://www.gbif.org/species/7192402, Warblers (Parulidae), https://www.gbif.org/species/5263

جغرافية الموضوع: Iowa, https://www.geonames.org/4862182, White Pine Hollow State Park, https://www.geonames.org/4881858, Loess Hills Wildlife Area, https://www.geonames.org/4865285, Buck Creek Area Park, https://www.geonames.org/4849650

وصف الملف: 3 pages

Relation: Iowa Ornithologists' Union; https://n2t.net/ark:/87292/w9513tv8b; https://n2t.net/ark:/87292/w9251fk9c; IOU_2156; 2581; https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_2156/datastream/TN/view/Field%20report%20contributed%20by%20Robert%20W.%20Howe%20for%20summer,%201982.jpg

الاتاحة: https://n2t.net/ark:/87292/w9251fk9c
https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_2156/datastream/TN/view/Field%20report%20contributed%20by%20Robert%20W.%20Howe%20for%20summer,%201982.jpg

المؤلفون: Ballard, Bart M.

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, Nest building, http://id.worldcat.org/fast/1036160, Least Bittern (Ixobrychus exilis), https://www.gbif.org/species/2480852, Little Blue Heron (Egretta caerulea), https://www.gbif.org/species/2480894, Double-crested Cormorant (Phalacrocorax auritus), https://www.gbif.org/species/2481875, Black-crowned Night Heron (Nycticorax nycticorax), https://www.gbif.org/species/2480863, Yellow-Crowned Night Heron (Nycticorax violaceus), https://www.gbif.org/species/7928130, Hooded Merganser (Lophodytes cucullatus), https://www.gbif.org/species/2498408, Great Blue Heron (Ardea herodias), https://www.gbif.org/species/9630752, Great-tailed Grackle (Quiscalus major), https://www.gbif.org/species/2484133, Great Egret (Ardea alba), https://www.gbif.org/species/9752617, Herons, Bitterns, Egrets, Ibises, and Storks (Ciconiiformes), https://www.gbif.org/species/839

جغرافية الموضوع: Iowa, https://www.geonames.org/4862182, Otter Creek Marsh State Wildlife Refuge, https://www.geonames.org/4870345

وصف الملف: 1 page

Relation: Iowa Ornithologists' Union; https://n2t.net/ark:/87292/w9513tv8b; https://n2t.net/ark:/87292/w9183459r; IOU_5994; MS0166b022f004i014.tif; 3331; https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_5994/datastream/TN/view/Bart%27s%20birdies.jpg

الاتاحة: https://n2t.net/ark:/87292/w9183459r
https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_5994/datastream/TN/view/Bart%27s%20birdies.jpg

المؤلفون: Gillaspey, J. Donald

المساهمون: Halmi, Nicholas S.

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

مصطلحات موضوعية: Bird populations, http://id.worldcat.org/fast/832929, Bird watching, http://id.worldcat.org/fast/832948, Red-tailed Hawk (Buteo jamaicensis), https://www.gbif.org/species/2480542, American Kestrel (Falco sparverius), https://www.gbif.org/species/9685907, Turkey Vulture (Cathartes aura), https://www.gbif.org/species/2481930, Loggerhead Shrike (Lanius ludovicianus), https://www.gbif.org/species/2492870, American White Pelican (Pelecanus erythrorhynchos), https://www.gbif.org/species/5229155, Cattle Egret (Bubulcus ibis), https://www.gbif.org/species/2480830, Osprey (Pandion haliaetus), https://www.gbif.org/species/2480726, King Rail (Rallus elegans), https://www.gbif.org/species/9480015, Herons, Bitterns, Egrets, Ibises, and Storks (Ciconiiformes), https://www.gbif.org/species/839

جغرافية الموضوع: Lamoni, https://www.geonames.org/4864105

وصف الملف: 1 page

Relation: Iowa Ornithologists' Union; https://n2t.net/ark:/87292/w9513tv8b; https://n2t.net/ark:/87292/w92z12s9f; IOU_5601; MS0166b018f007i036.tif; 2050; https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_5601/datastream/TN/view/Donald%20J.%20Gillaspey%20letter%20to%20Nicholas%20S.%20Halmi%20regarding%20bird%20sightings,%20December%201,%201978.jpg

الاتاحة: https://n2t.net/ark:/87292/w92z12s9f
https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_5601/datastream/TN/view/Donald%20J.%20Gillaspey%20letter%20to%20Nicholas%20S.%20Halmi%20regarding%20bird%20sightings,%20December%201,%201978.jpg

المؤلفون: Silcock, W. Ross, http://id.loc.gov/authorities/names/n00015377

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

مصطلحات موضوعية: Bird watching, http://id.worldcat.org/fast/832948, Birds--Breeding, http://id.worldcat.org/fast/832978, Birds--Nests, http://id.worldcat.org/fast/833043, Blackbirds, Orioles, Meadowlarks, and allies (Icteridae), https://www.gbif.org/species/6176, Ducks, Geese, and Swans (Anseriformes), https://www.gbif.org/species/1108, Flycatchers (Tyrannidae), https://www.gbif.org/species/5291, Hawks, Eagles, Falcons, Osprey, and Vultures (Falconiformes), https://www.gbif.org/species/7191407, Herons, Bitterns, Egrets, Ibises, and Storks (Ciconiiformes), https://www.gbif.org/species/839, Mockingbirds

جغرافية الموضوع: Fremont County, https://www.geonames.org/4857806, Waubonsie State Park, https://www.geonames.org/4880970

وصف الملف: 14 pages

Relation: Iowa Ornithologists' Union; https://n2t.net/ark:/87292/w9513tv8b; https://n2t.net/ark:/87292/w9mc8rk4c; IOU_5171; 2037; https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_5171/datastream/TN/view/1978%20Fremont%20County%20Foray,%20June%202-7,%20annotated%20list%20of%20birds.jpg

الاتاحة: https://n2t.net/ark:/87292/w9mc8rk4c
https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_5171/datastream/TN/view/1978%20Fremont%20County%20Foray,%20June%202-7,%20annotated%20list%20of%20birds.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, Spring, http://id.worldcat.org/fast/1130905, Avocets and Stilts (Recurvirostridae), https://www.gbif.org/species/4287244, Cranes, Rails, and Coots (Gruiformes), https://www.gbif.org/species/1493, Herons, Bitterns, Egrets, Ibises, and Storks (Ciconiiformes), https://www.gbif.org/species/839, Shore-birds, Gulls, and Auks (Charadriiformes), https://www.gbif.org/species/7192402

جغرافية الموضوع: Deweys Pasture State Game Management Area, https://www.geonames.org/4853903, Larrabee, https://www.geonames.org/4864208, Storm Lake, https://www.geonames.org/4877655, Trumbull Lake, https://www.geonames.org/4879078, Cherokee, https://www.geonames.org/4851247

Time: Storm Lake

وصف الملف: 2 pages

Relation: Iowa Ornithologists' Union; https://n2t.net/ark:/87292/w9513tv8b; https://n2t.net/ark:/87292/w9s46h88r; IOU_2271; 2334; https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_2271/datastream/TN/view/Annotated%20bird%20sighting%20list%20for%20spring%201981%20compiled%20by%20Marion%20Brewer.jpg

الاتاحة: https://n2t.net/ark:/87292/w9s46h88r
https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_2271/datastream/TN/view/Annotated%20bird%20sighting%20list%20for%20spring%201981%20compiled%20by%20Marion%20Brewer.jpg

المؤلفون: Robinson, John C., 1959-, http://id.loc.gov/authorities/names/n89670350

المساهمون: Myers, Robert K., Schaufenbuel, Joseph P.

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

مصطلحات موضوعية: Birds--Nests, http://id.worldcat.org/fast/833043, Cooper's Hawk (Accipiter cooperii), https://www.gbif.org/species/2480621, Little Blue Heron (Egretta caerulea), https://www.gbif.org/species/2480894, American Kestrel (Falco sparverius), https://www.gbif.org/species/9685907, Pied-billed Grebe (Podilymbus podiceps), https://www.gbif.org/species/2482077, Chimney Swift (Chaetura pelagica), https://www.gbif.org/species/4409023, Flycatchers (Tyrannidae), https://www.gbif.org/species/5291, Gulls and Terns (Laridae), https://www.gbif.org/species/9316, Herons, Bitterns, Egrets, Ibises, and Storks (Ciconiiformes), https://www.gbif.org/species/839, Plovers (Charadriidae), https://www.gbif.org/species/2480210, Sandpipers, Phalaropes, and allies (Scolopacidae), https://www.gbif.org/species/5282, Finches (Fringillidae), https://www.gbif.org/species/5242

جغرافية الموضوع: Lake Red Rock, https://www.geonames.org/4864002, Ledges State Park, https://www.geonames.org/4864384, Polk County, https://www.geonames.org/4871782, Rathbun Lake, https://www.geonames.org/4872517, Saylorville Lake, https://www.geonames.org/4875629

Time: Story County, DeSoto National Wildlife Refuge

وصف الملف: 5 pages

Relation: Iowa Ornithologists' Union; https://n2t.net/ark:/87292/w9513tv8b; https://n2t.net/ark:/87292/w9jh3d359; IOU_1986; 2538; https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_1986/datastream/TN/view/Field%20notes%20contributed%20by%20John%20C.%20Robinson,%20spring%201982.jpg

الاتاحة: https://n2t.net/ark:/87292/w9jh3d359
https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_1986/datastream/TN/view/Field%20notes%20contributed%20by%20John%20C.%20Robinson,%20spring%201982.jpg

المؤلفون: Dinsmore, Stephen J., http://id.loc.gov/authorities/names/n96008048

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--Nests, http://id.worldcat.org/fast/833043, Prairie Warbler (Setophaga discolor), https://www.gbif.org/species/7341789, Great-tailed Grackle (Quiscalus major), https://www.gbif.org/species/2484133, Burrowing Owl (Speotyto cunicularia), https://www.gbif.org/species/2497254, Ducks, Geese, and Swans (Anseriformes), https://www.gbif.org/species/1108, Gulls and Terns (Laridae), https://www.gbif.org/species/9316, Herons, Bitterns, Egrets, Ibises, and Storks (Ciconiiformes), https://www.gbif.org/species/839, Plovers (Charadriidae), https://www.gbif.org/species/2480210, Sandpipers, Phalaropes, and allies (Scolopacidae), https://www.gbif.org/species/5282

جغرافية الموضوع: Forneys Lake, https://www.geonames.org/4857456, Ledges State Park, https://www.geonames.org/4864384, Riverton Wildlife Management Area, https://www.geonames.org/4873197, Saylorville Lake, https://www.geonames.org/4875629, Union Slough National Wildlife Refuge, https://www.geonames.org/4879394

Time: Riverton Wildlife Management Area, Shimek State Forest Wildlife Management Area - Croton Unit

وصف الملف: 7 pages

Relation: Iowa Ornithologists' Union; https://n2t.net/ark:/87292/w9513tv8b; https://n2t.net/ark:/87292/w9862bf6g; IOU_4021; 3905; https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_4021/datastream/TN/view/Field%20notes%20contributed%20by%20Steven%20J.%20Dinsmore,%20summer%201985.jpg

الاتاحة: https://n2t.net/ark:/87292/w9862bf6g
https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_4021/datastream/TN/view/Field%20notes%20contributed%20by%20Steven%20J.%20Dinsmore,%20summer%201985.jpg

المؤلفون: Bray, Tanya

المساهمون: Silcock, W. Ross, http://id.loc.gov/authorities/names/n00015377, Padelford, Babs, Wilson, Barbara L., Wright, Rick, http://id.loc.gov/authorities/names/nb2011016264

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, Eastern Kingbird (Tyrannus tyrannus), https://www.gbif.org/species/5229688, Northern Bobwhite (Colinus virginianus), https://www.gbif.org/species/9791464, Flycatchers (Tyrannidae), https://www.gbif.org/species/5291, Gulls and Terns (Laridae), https://www.gbif.org/species/9316, Herons, Bitterns, Egrets, Ibises, and Storks (Ciconiiformes), https://www.gbif.org/species/839, Plovers (Charadriidae), https://www.gbif.org/species/2480210, Sandpipers, Phalaropes, and allies (Scolopacidae), https://www.gbif.org/species/5282, Finches (Fringillidae), https://www.gbif.org/species/5242, Vireos (Vireonidae), https://www.gbif.org/species/9358, Wrens (Troglodytidae), https://www.gbif.org/species/9355

جغرافية الموضوع: Clay County, https://www.geonames.org/4851866, Forneys Lake, https://www.geonames.org/4857456, Lake Manawa, https://www.geonames.org/4865994, Waubonsie State Park, https://www.geonames.org/4880970, Cold Springs State Park, https://www.geonames.org/4852187

وصف الملف: 4 pages

Relation: Iowa Ornithologists' Union; https://n2t.net/ark:/87292/w9513tv8b; https://n2t.net/ark:/87292/w95d8nj21; IOU_3988; 3900; https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_3988/datastream/TN/view/Field%20notes%20contributed%20by%20Tanya%20Bray,%20summer%201985.jpg

الاتاحة: https://n2t.net/ark:/87292/w95d8nj21
https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_3988/datastream/TN/view/Field%20notes%20contributed%20by%20Tanya%20Bray,%20summer%201985.jpg

المؤلفون: Silcock, W. Ross, http://id.loc.gov/authorities/names/n00015377

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

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

مصطلحات موضوعية: Birds--Nests, http://id.worldcat.org/fast/833043, Little Blue Heron (Egretta caerulea), https://www.gbif.org/species/2480894, Cattle Egret (Bubulcus ibis), https://www.gbif.org/species/2480830, Yellow-Crowned Night Heron (Nycticorax violaceus), https://www.gbif.org/species/7928130, Lesser Yellowlegs (Tringa flavipes), https://www.gbif.org/species/2481721, Herons, Bitterns, Egrets, Ibises, and Storks (Ciconiiformes), https://www.gbif.org/species/839

جغرافية الموضوع: Folsom Lake, https://www.geonames.org/4857360

وصف الملف: 1 page

Relation: Iowa Ornithologists' Union; https://n2t.net/ark:/87292/w9513tv8b; https://n2t.net/ark:/87292/w9rb6w54s; IOU_3954; MS0166b021f004i009.tif; 2891; https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_3954/datastream/TN/view/W.%20Ross%20Silcock%20letter%20to%20Thomas%20H.%20Kent%20regarding%20sightings%20at%20Folsom%20Lake%20Heronry,%20July%206,%201984.jpg

الاتاحة: https://n2t.net/ark:/87292/w9rb6w54s
https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_3954/datastream/TN/view/W.%20Ross%20Silcock%20letter%20to%20Thomas%20H.%20Kent%20regarding%20sightings%20at%20Folsom%20Lake%20Heronry,%20July%206,%201984.jpg