المؤلفون: Ehresman, Bruce, http://id.loc.gov/authorities/names/nb2015020163, Blazek, Kevin

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--Infancy, http://id.worldcat.org/fast/833030, Northern Harrier (Circus hudsonius), https://www.gbif.org/species/6101217

جغرافية الموضوع: Greenfield, https://www.geonames.org/4859234

وصف الملف: 1 page

Relation: Iowa Ornithologists' Union; https://n2t.net/ark:/87292/w9513tv8b; https://n2t.net/ark:/87292/w96t0gx9p; IOU_17290; MS0166b039f012i123.tif; 9179; https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_17290/datastream/TN/view/Field%20note%20about%20a%20Hen%20Harrier%20%28Northern%20Harrier%29%20sighting%20contributed%20by%20Bruce%20Ehresman%20and%20Kevin%20Blazek,%20summer%202005.jpg

الاتاحة: https://n2t.net/ark:/87292/w96t0gx9p
https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_17290/datastream/TN/view/Field%20note%20about%20a%20Hen%20Harrier%20%28Northern%20Harrier%29%20sighting%20contributed%20by%20Bruce%20Ehresman%20and%20Kevin%20Blazek,%20summer%202005.jpg

المؤلفون: Fuller, James 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--Counting, http://id.worldcat.org/fast/832986, Northern Harrier (Circus hudsonius), https://www.gbif.org/species/6101217, Semipalmated Sandpiper (Calidris pusilla), https://www.gbif.org/species/2481764, White-eyed Vireo (Vireo griseus), https://www.gbif.org/species/2487413, Bell's Vireo (Vireo bellii), https://www.gbif.org/species/2487441, Caspian Tern (Hydroprogne caspia), https://www.gbif.org/species/2481236, Acadian Flycatcher (Empidonax virescens), https://www.gbif.org/species/2482802, Louisiana Waterthrush (Parkesia motacilla), https://www.gbif.org/species/6093862

جغرافية الموضوع: Red Rock Dam, https://www.geonames.org/4872621, F W Kent County Park, https://www.geonames.org/4855929, Maquoketa, https://www.geonames.org/4866164, Maquoketa Caves State Park, https://www.geonames.org/4866168

وصف الملف: 1 page

Relation: Iowa Ornithologists' Union; https://n2t.net/ark:/87292/w9513tv8b; https://n2t.net/ark:/87292/w9qb9v724; IOU_18597; MS0166b039f009i051.tif; 8949; https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_18597/datastream/TN/view/Field%20reports%20form%20for%20submitting%20seasonal%20observations%20of%20Iowa%20birds,%20James%20L.%20Fuller,%20summer%202002.jpg

الاتاحة: https://n2t.net/ark:/87292/w9qb9v724
https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_18597/datastream/TN/view/Field%20reports%20form%20for%20submitting%20seasonal%20observations%20of%20Iowa%20birds,%20James%20L.%20Fuller,%20summer%202002.jpg

المؤلفون: Sinclair, Jim

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--Infancy, http://id.worldcat.org/fast/833030, Northern Harrier (Circus hudsonius), https://www.gbif.org/species/6101217, Least Flycatcher (Empidonax minimus), https://www.gbif.org/species/2482791, Black-and-white Warbler (Mniotilta varia), https://www.gbif.org/species/2489613, Carolina Wren (Thryothorus ludovicianus), https://www.gbif.org/species/2493801, Wilson's Phalarope (Phalaropus tricolor), https://www.gbif.org/species/5229389, Wood Thrush (Hylocichla mustelina), https://www.gbif.org/species/2490872, Redhead (Aythya americana), https://www.gbif.org/species/2498263, Northern Mockingbird (Mimus polyglottos), https://www.gbif.org/species/5231677, Hooded Warbler (Setophaga citrina), https://www.gbif.org/species/6093374, Kentucky Warbler (Geothlypis formosa), https://www.gbif.org/species/6093586, American Black Duck (Anas rubripes), https://www.gbif.org/species/9581438

جغرافية الموضوع: Lucas County, https://www.geonames.org/4865617, Warren County, https://www.geonames.org/4880695, Woodland Mounds State Preserve, https://www.geonames.org/4882420, Lake Ahquabi State Park, https://www.geonames.org/4863890, Banner Lakes at Summerset State Park, https://www.geonames.org/4847695

Time: Pinchey Bottoms

وصف الملف: 1 page

Relation: Iowa Ornithologists' Union; https://n2t.net/ark:/87292/w9513tv8b; https://n2t.net/ark:/87292/w9697005b; IOU_18601; MS0166b039f009i091.tif; 8961; https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_18601/datastream/TN/view/Field%20notes%20contributed%20by%20Jim%20Sinclair,%20summer%202002.jpg

الاتاحة: https://n2t.net/ark:/87292/w9697005b
https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_18601/datastream/TN/view/Field%20notes%20contributed%20by%20Jim%20Sinclair,%20summer%202002.jpg

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

المساهمون: Reis, Larry, Zieke, Lee

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--Eggs, http://id.worldcat.org/fast/833007, Birds--Nests, http://id.worldcat.org/fast/833043, Yellow-bellied Sapsucker (Sphyrapicus varius), https://www.gbif.org/species/2478605, Northern Harrier (Circus hudsonius), https://www.gbif.org/species/6101217, Upland Sandpiper (Bartramia longicauda), https://www.gbif.org/species/2481705, Orchard Oriole (Icterus spurius), https://www.gbif.org/species/5229935, Redhead (Aythya americana), https://www.gbif.org/species/2498263, Ruddy Duck (Oxyura jamaicensis), https://www.gbif.org/species/2498305, Semipalmated Plover (Charadrius semipalmatus), https://www.gbif.org/species/2480295, Blue-winged Warbler (Vermivora cyanoptera), https://www.gbif.org/species/6093846, Ovenbird (Seiurus aurocapilla), https://www.gbif.org/species/2489590, Scarlet Tanager (Piranga olivacea), https://www.gbif.org/species/2488517, American Coot (Fulica americana), https://www.gbif.org/species/2474393

جغرافية الموضوع: Cardinal Marsh State Wildlife Area, https://www.geonames.org/4850389, Decorah, https://www.geonames.org/4853608, Winneshiek County, https://www.geonames.org/4882242, Hayden Prairie State Wildlife Area, https://www.geonames.org/4860141, Fort Atkinson, https://www.geonames.org/4831830

وصف الملف: 2 pages

Relation: Iowa Ornithologists' Union; https://n2t.net/ark:/87292/w9513tv8b; https://n2t.net/ark:/87292/w97940w4p; IOU_18582; 8945; https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_18582/datastream/TN/view/Field%20notes%20contributed%20by%20Dennis%20L.%20Carter,%20July%2031,%202002.jpg

الاتاحة: https://n2t.net/ark:/87292/w97940w4p
https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_18582/datastream/TN/view/Field%20notes%20contributed%20by%20Dennis%20L.%20Carter,%20July%2031,%202002.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, Dial-a-message telephone calls, http://id.worldcat.org/fast/892403, Northern Harrier (Circus hudsonius), https://www.gbif.org/species/6101217, Thayer's Gull (Larus thayeri), https://www.gbif.org/species/2481159, Rusty Blackbird (Euphagus carolinus), https://www.gbif.org/species/2484184, Long-tailed Duck (Clangula hyemalis), https://www.gbif.org/species/2498273, Black-crowned Night Heron (Nycticorax nycticorax), https://www.gbif.org/species/2480863, White-winged Scoter (Melanitta fusca), https://www.gbif.org/species/2498238, Fox Sparrow (Passerella iliaca), https://www.gbif.org/species/2491872, Swamp Sparrow (Melospiza georgiana), https://www.gbif.org/species/2492235, Bonaparte's Gull (Chroicocephalus philadelphia), https://www.gbif.org/species/6065818

جغرافية الموضوع: Cedar Rapids, https://www.geonames.org/4850751, Cone Marsh Wildlife Management Area, https://www.geonames.org/4852456, Emmet County, https://www.geonames.org/4855587, Iowa City, https://www.geonames.org/4862034, Lake Red Rock, https://www.geonames.org/4864002

وصف الملف: 6 pages

Relation: Iowa Ornithologists' Union; https://n2t.net/ark:/87292/w9513tv8b; https://n2t.net/ark:/87292/w9vh5ck85; IOU_20147; 10029; https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_20147/datastream/TN/view/Iowa%20RBA,%20January%2018,%201999.jpg

الاتاحة: https://n2t.net/ark:/87292/w9vh5ck85
https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_20147/datastream/TN/view/Iowa%20RBA,%20January%2018,%201999.jpg

المؤلفون: Murray, Les D.

المساهمون: Dinsmore, James J., http://id.loc.gov/authorities/names/n83129970

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

مصطلحات موضوعية: Bird watching, http://id.worldcat.org/fast/832948, Birds--Eggs, http://id.worldcat.org/fast/833007, Birds--Nests, http://id.worldcat.org/fast/833043, Northern Harrier (Circus hudsonius), https://www.gbif.org/species/6101217, Henslow's Sparrow (Ammodramus henslowii), https://www.gbif.org/species/2491119

جغرافية الموضوع: Appanoose County, https://www.geonames.org/4847063, Lucas County, https://www.geonames.org/4865617, Monroe County, https://www.geonames.org/4867729

وصف الملف: 1 page

Relation: Iowa Ornithologists' Union; https://n2t.net/ark:/87292/w9513tv8b; https://n2t.net/ark:/87292/w9fj29f3m; IOU_16438; MS166b028f004i055.tif; 7262; https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_16438/datastream/TN/view/Les%20Murray%20email%20to%20Jim%20Dinsmore%20regarding%20Harrier%20nests,%20June%2029,%201999.jpg

الاتاحة: https://n2t.net/ark:/87292/w9fj29f3m
https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_16438/datastream/TN/view/Les%20Murray%20email%20to%20Jim%20Dinsmore%20regarding%20Harrier%20nests,%20June%2029,%201999.jpg

المؤلفون: Killman, Dave

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

مصطلحات موضوعية: Bird watching, http://id.worldcat.org/fast/832948, Northern Harrier (Circus hudsonius), https://www.gbif.org/species/6101217, Rough-legged Hawk (Buteo lagopus), https://www.gbif.org/species/2480524, Red-shouldered Hawk (Buteo lineatus), https://www.gbif.org/species/2480529, Broad-winged Hawk (Buteo platypterus), https://www.gbif.org/species/2480538, Pied-billed Grebe (Podilymbus podiceps), https://www.gbif.org/species/2482077, American White Pelican (Pelecanus erythrorhynchos), https://www.gbif.org/species/5229155, Wood Duck (Aix sponsa), https://www.gbif.org/species/2498387, Ruddy Duck (Oxyura jamaicensis), https://www.gbif.org/species/2498305, Osprey (Pandion haliaetus), https://www.gbif.org/species/2480726

جغرافية الموضوع: Cone Marsh Wildlife Management Area, https://www.geonames.org/4852456, Hawkeye Wildlife Management Area, https://www.geonames.org/4860109, Jefferson County, https://www.geonames.org/4862494, Ottumwa, https://www.geonames.org/4870380, Wapello County, https://www.geonames.org/4880625

Time: Walton Lake, Washington

وصف الملف: 10 pages

Relation: Iowa Ornithologists' Union; https://n2t.net/ark:/87292/w9513tv8b; https://n2t.net/ark:/87292/w9xp6v48v; IOU_15105; 7332; https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_15105/datastream/TN/view/Sighting%20record%20listing,%20Iowa,%208/1/1999%20-%2010/31/1999,%20Dave%20Killman.jpg

الاتاحة: https://n2t.net/ark:/87292/w9xp6v48v
https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_15105/datastream/TN/view/Sighting%20record%20listing,%20Iowa,%208/1/1999%20-%2010/31/1999,%20Dave%20Killman.jpg

المؤلفون: Lesher, Fred

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

مصطلحات موضوعية: Bird watching, http://id.worldcat.org/fast/832948, Bald Eagle (Haliaeetus leucocephalus), https://www.gbif.org/species/2480446, Northern Harrier (Circus hudsonius), https://www.gbif.org/species/6101217, American Bittern (Botaurus lentiginosus), https://www.gbif.org/species/2480911, Gray-cheeked Thrush (Catharus minimus), https://www.gbif.org/species/2490826, Yellow-throated Warbler (Setophaga dominica), https://www.gbif.org/species/7341800, Cattle Egret (Bubulcus ibis), https://www.gbif.org/species/2480830, Peregrine Falcon (Falco peregrinus), https://www.gbif.org/species/2481047, Northern Shrike (Lanius borealis), https://www.gbif.org/species/7690702

جغرافية الموضوع: Allamakee County, https://www.geonames.org/4846643, Cardinal Marsh State Wildlife Area, https://www.geonames.org/4850389, Lansing, https://www.geonames.org/4864165, Pool Slough, https://www.geonames.org/4871821, Wexford Creek, https://www.geonames.org/4881713

وصف الملف: 3 pages

Relation: Iowa Ornithologists' Union; https://n2t.net/ark:/87292/w9513tv8b; https://n2t.net/ark:/87292/w93b5w90c; IOU_13467; 6884; https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_13467/datastream/TN/view/IOU%20seasonal%20report,%20spring%201999,%20Fred%20Lesher.jpg

الاتاحة: https://n2t.net/ark:/87292/w93b5w90c
https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_13467/datastream/TN/view/IOU%20seasonal%20report,%20spring%201999,%20Fred%20Lesher.jpg

المؤلفون: Dinsmore, James J., http://id.loc.gov/authorities/names/n83129970

المساهمون: Kent, Thomas H. (Thomas Hugh), 1934-, http://id.loc.gov/authorities/names/n78093572, Leoschke, Mark J., http://id.loc.gov/authorities/names/n93091020, Lampe, Richard P.

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

مصطلحات موضوعية: Bird watching, http://id.worldcat.org/fast/832948, Birds--Eggs, http://id.worldcat.org/fast/833007, Birds--Identification, http://id.worldcat.org/fast/833029, Birds--Nests, http://id.worldcat.org/fast/833043, Northern Harrier (Circus hudsonius), https://www.gbif.org/species/6101217, Burrowing Owl (Speotyto cunicularia), https://www.gbif.org/species/2497254

جغرافية الموضوع: Hayden Prairie State Wildlife Area, https://www.geonames.org/4860141, Buena Vista County, https://www.geonames.org/4849689

وصف الملف: 2 pages

Relation: Iowa Ornithologists' Union; https://n2t.net/ark:/87292/w9513tv8b; https://n2t.net/ark:/87292/w9bz61918; IOU_13304; 6832; https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_13304/datastream/TN/view/Jim%20Dinsmore%20email%20to%20Thomas%20Kent%20regarding%20Harrier%20nest,%20June%203,%201999.jpg

الاتاحة: https://n2t.net/ark:/87292/w9bz61918
https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_13304/datastream/TN/view/Jim%20Dinsmore%20email%20to%20Thomas%20Kent%20regarding%20Harrier%20nest,%20June%203,%201999.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, Dial-a-message telephone calls, http://id.worldcat.org/fast/892403, Northern Harrier (Circus hudsonius), https://www.gbif.org/species/6101217, Least Bittern (Ixobrychus exilis), https://www.gbif.org/species/2480852, Bell's Vireo (Vireo bellii), https://www.gbif.org/species/2487441, Common Moorhen (Gallinula chloropus), https://www.gbif.org/species/5228199, Franklin's Gull (Leucophaeus pipixcan), https://www.gbif.org/species/5846430, Cattle Egret (Bubulcus ibis), https://www.gbif.org/species/2480830, Ruddy Duck (Oxyura jamaicensis), https://www.gbif.org/species/2498305, Stilt Sandpiper (Calidris himantopus), https://www.gbif.org/species/5229400, Black-headed Gull (Larus ridibundus), https://www.gbif.org/species/2481137

جغرافية الموضوع: Cardinal Marsh State Wildlife Area, https://www.geonames.org/4850389, Zearing, https://www.geonames.org/4882660, Colo Bogs Wildlife Management Area, https://www.geonames.org/11778230, Kettleson Hogsback Waterfowl Production Area, https://www.geonames.org/11919658

وصف الملف: 4 pages

Relation: Iowa Ornithologists' Union; https://n2t.net/ark:/87292/w9513tv8b; https://n2t.net/ark:/87292/w95x25f57; IOU_20027; 10004; https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_20027/datastream/TN/view/Iowa%20RBA,%20July%2020,%201998.jpg

الاتاحة: https://n2t.net/ark:/87292/w95x25f57
https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_20027/datastream/TN/view/Iowa%20RBA,%20July%2020,%201998.jpg

المؤلفون: Thompson, Dennis

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, Birdsongs, http://id.worldcat.org/fast/833119, Migratory birds, http://id.worldcat.org/fast/1749366, Northern Harrier (Circus hudsonius), https://www.gbif.org/species/6101217, Horned Grebe (Podiceps auritus), https://www.gbif.org/species/2482059, Brewer's Blackbird (Euphagus cyanocephalus), https://www.gbif.org/species/2484183, Nelson's Sharp-tailed Sparrow (Ammodramus nelsoni), https://www.gbif.org/species/2491088, Carolina Wren (Thryothorus ludovicianus), https://www.gbif.org/species/2493801, Greater Prairie-Chicken (Tympanuchus cupido), https://www.gbif.org/species/2473510, Palm Warbler (Setophaga palmarum), https://www.gbif.org/species/7341822, Greater Scaup (Aythya marila), https://www.gbif.org/species/2498265, Gray Catbird (Dumetella carolinensis), https://www.gbif.org/species/2494936, Great-tailed Grackle (Quiscalus major), https://www.gbif.org/species/2484133

جغرافية الموضوع: Big Creek State Park, https://www.geonames.org/4848568, Dunbar Slough, https://www.geonames.org/4854608, Harrier Marsh, https://www.geonames.org/4859870, Johnston, https://www.geonames.org/4862760, Saylorville Lake, https://www.geonames.org/4875629

Time: Johnston

وصف الملف: 2 pages

Relation: Iowa Ornithologists' Union; https://n2t.net/ark:/87292/w9513tv8b; https://n2t.net/ark:/87292/w9p55dh8p; IOU_11084; 6364; https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_11084/datastream/TN/view/Field%20reports,%20spring%2098,%20Dennis%20Thompson.jpg

الاتاحة: https://n2t.net/ark:/87292/w9p55dh8p
https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_11084/datastream/TN/view/Field%20reports,%20spring%2098,%20Dennis%20Thompson.jpg

المؤلفون: Proescholdt, Beth

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, Ornithology--Methodology, http://id.worldcat.org/fast/1048361, Bald Eagle (Haliaeetus leucocephalus), https://www.gbif.org/species/2480446, Northern Harrier (Circus hudsonius), https://www.gbif.org/species/6101217, Rough-legged Hawk (Buteo lagopus), https://www.gbif.org/species/2480524, Red-tailed Hawk (Buteo jamaicensis), https://www.gbif.org/species/2480542, Cooper's Hawk (Accipiter cooperii), https://www.gbif.org/species/2480621, Turkey Vulture (Cathartes aura), https://www.gbif.org/species/2481930, Hawks, Eagles, Falcons, Osprey, and Vultures (Falconiformes), https://www.gbif.org/species/7191407

جغرافية الموضوع: Grammer Grove County Wildlife Area, https://www.geonames.org/4858865

وصف الملف: 1 page

Relation: Iowa Ornithologists' Union; https://n2t.net/ark:/87292/w9513tv8b; https://n2t.net/ark:/87292/w95q4rn1q; IOU_12958; MS166b028f002i069.tif; 6793; https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_12958/datastream/TN/view/Beth%20Proescholdt%20letter%20to%20Thomas%20H.%20Kent%20regarding%20record%20Hawk%20counts,%20December%201,%201998.jpg

الاتاحة: https://n2t.net/ark:/87292/w95q4rn1q
https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_12958/datastream/TN/view/Beth%20Proescholdt%20letter%20to%20Thomas%20H.%20Kent%20regarding%20record%20Hawk%20counts,%20December%201,%201998.jpg

المؤلفون: Harr, Douglas C.

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

مصطلحات موضوعية: Bird watching, http://id.worldcat.org/fast/832948, Birds--Infancy, http://id.worldcat.org/fast/833030, Northern Harrier (Circus hudsonius), https://www.gbif.org/species/6101217, Red-necked Grebe (Podiceps grisegena), https://www.gbif.org/species/2482051, Short-eared Owl (Asio flammeus), https://www.gbif.org/species/2497295, Dickcissel (Spiza americana), https://www.gbif.org/species/2490363, Blue Grosbeak (Passerina caerulea), https://www.gbif.org/species/5230862

جغرافية الموضوع: Hawarden, https://www.geonames.org/4860066, Jemmerson Slough Wildlife Management Area, https://www.geonames.org/4862611, Lyon County, https://www.geonames.org/4865744, Sioux County, https://www.geonames.org/4876545

وصف الملف: 1 page

Relation: Iowa Ornithologists' Union; https://n2t.net/ark:/87292/w9513tv8b; https://n2t.net/ark:/87292/w98g8fj63; IOU_12965; MS166b028f001i030.tif; 6732; https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_12965/datastream/TN/view/IOU%20field%20reports%20form,%20Doug%20Harr,%20July%2030,%201998.jpg

الاتاحة: https://n2t.net/ark:/87292/w98g8fj63
https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_12965/datastream/TN/view/IOU%20field%20reports%20form,%20Doug%20Harr,%20July%2030,%201998.jpg

المؤلفون: Fairbairn, Steve 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--Eggs, http://id.worldcat.org/fast/833007, Birds--Nests, http://id.worldcat.org/fast/833043, Northern Harrier (Circus hudsonius), https://www.gbif.org/species/6101217, Least Bittern (Ixobrychus exilis), https://www.gbif.org/species/2480852, American Bittern (Botaurus lentiginosus), https://www.gbif.org/species/2480911, Cattle Egret (Bubulcus ibis), https://www.gbif.org/species/2480830, Virginia Rail (Rallus limicola), https://www.gbif.org/species/2474825, Forster's Tern (Sterna forsteri), https://www.gbif.org/species/5229247, Sora (Porzana carolina), https://www.gbif.org/species/2474639, Northern Shoveler (Anas clypeata), https://www.gbif.org/species/2498089, Great-tailed Grackle (Quiscalus major), https://www.gbif.org/species/2484133

جغرافية الموضوع: Dickinson County, https://www.geonames.org/4853961, Harrier Marsh, https://www.geonames.org/4859870, Palo Alto County, https://www.geonames.org/4870630, Union Hills Wildlife Management Area, https://www.geonames.org/4879354, Gordon's Marsh Area, https://www.geonames.org/4858651

Time: Palo Alto County, Gladfelter Marsh Wildlife Management Area

وصف الملف: 1 page

Relation: Iowa Ornithologists' Union; https://n2t.net/ark:/87292/w9513tv8b; https://n2t.net/ark:/87292/w9dj58h8b; IOU_12902; MS166b028f001i024.tif; 6726; https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_12902/datastream/TN/view/Annotated%20bird%20sighting%20list%20for%20summer%201998%20compiled%20by%20Steve%20Fairbairn.jpg

الاتاحة: https://n2t.net/ark:/87292/w9dj58h8b
https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_12902/datastream/TN/view/Annotated%20bird%20sighting%20list%20for%20summer%201998%20compiled%20by%20Steve%20Fairbairn.jpg

المؤلفون: Orsag, Mark

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: Bird watching, http://id.worldcat.org/fast/832948, Birds--Counting, http://id.worldcat.org/fast/832986, Birds--Migration, http://id.worldcat.org/fast/833033, Ornithology--Methodology, http://id.worldcat.org/fast/1048361, Bald Eagle (Haliaeetus leucocephalus), https://www.gbif.org/species/2480446, Northern Harrier (Circus hudsonius), https://www.gbif.org/species/6101217, Rough-legged Hawk (Buteo lagopus), https://www.gbif.org/species/2480524, Broad-winged Hawk (Buteo platypterus), https://www.gbif.org/species/2480538, Red-tailed Hawk (Buteo jamaicensis), https://www.gbif.org/species/2480542, Swainson's Hawk (Buteo swainsoni), https://www.gbif.org/species/2480562, Cooper's Hawk (Accipiter cooperii), https://www.gbif.org/species/2480621, Prairie Falcon (Falco mexicanus), https://www.gbif.org/species/2481000, American Kestrel (Falco sparverius), https://www.gbif.org/species/9685907, Turkey Vulture (Cathartes aura), https://www.gbif.org/species/2481930, American White Pelican (Pelecanus erythrorhynchos), https://www.gbif.org/species/5229155

جغرافية الموضوع: Hitchcock Nature Area, https://www.geonames.org/4860773

وصف الملف: 2 pages

Relation: Iowa Ornithologists' Union; https://n2t.net/ark:/87292/w9513tv8b; https://n2t.net/ark:/87292/w94746s65; IOU_12825; 6786; https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_12825/datastream/TN/view/Mark%20Orsag%20forwarded%20email%20to%20Thomas%20H.%20Kent%20regarding%20a%20Hawk%20watch%20at%20Hitchcock%20Nature%20Area,%20fall%201998.jpg

الاتاحة: https://n2t.net/ark:/87292/w94746s65
https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_12825/datastream/TN/view/Mark%20Orsag%20forwarded%20email%20to%20Thomas%20H.%20Kent%20regarding%20a%20Hawk%20watch%20at%20Hitchcock%20Nature%20Area,%20fall%201998.jpg

المؤلفون: Petersen, Marietta

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, Birdsongs, http://id.worldcat.org/fast/833119, Northern Harrier (Circus hudsonius), https://www.gbif.org/species/6101217, Bobolink (Dolichonyx oryzivorus), https://www.gbif.org/species/2484417, Grasshopper Sparrow (Ammodramus savannarum), https://www.gbif.org/species/2491123, Ruby-throated Hummingbird (Archilochus colubris), https://www.gbif.org/species/5228514, Golden-crowned Kinglet (Regulus satrapa), https://www.gbif.org/species/2484591, Cliff Swallow (Petrochelidon pyrrhonota), https://www.gbif.org/species/2489169

جغرافية الموضوع: Cresco, https://www.geonames.org/4853059, Cass County, https://www.geonames.org/4850583, Waverly, https://www.geonames.org/4881024

وصف الملف: 1 page

Relation: Iowa Ornithologists' Union; https://n2t.net/ark:/87292/w9513tv8b; https://n2t.net/ark:/87292/w9c53f277; IOU_12591; MS166b027f007i123.tif; 6355; https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_12591/datastream/TN/view/Field%20report,%20spring%201998,%20Marietta%20Petersen.jpg

الاتاحة: https://n2t.net/ark:/87292/w9c53f277
https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_12591/datastream/TN/view/Field%20report,%20spring%201998,%20Marietta%20Petersen.jpg

المؤلفون: Jones, Jack

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, Northern Harrier (Circus hudsonius), https://www.gbif.org/species/6101217, Yellow-headed Blackbird (Xanthocephalus xanthocephalus), https://www.gbif.org/species/2484195, Bobolink (Dolichonyx oryzivorus), https://www.gbif.org/species/2484417, Indigo Bunting (Passerina cyanea), https://www.gbif.org/species/2490327, Rose-breasted Grosbeak (Pheucticus ludovicianus), https://www.gbif.org/species/2490494, Ruby-throated Hummingbird (Archilochus colubris), https://www.gbif.org/species/5228514, American White Pelican (Pelecanus erythrorhynchos), https://www.gbif.org/species/5229155, Eastern Kingbird (Tyrannus tyrannus), https://www.gbif.org/species/5229688, Western Kingbird (Tyrannus verticalis), https://www.gbif.org/species/5229675, Dickcissel (Spiza americana), https://www.gbif.org/species/2490363, Baltimore Oriole (Icterus galbula), https://www.gbif.org/species/2484340, Hairy Woodpecker (Picoides villosus), https://www.gbif.org/species/2477741, American Goldfinch (Spinus tristis), https://www.gbif.org/species/5231640

جغرافية الموضوع: Anderson Prairie State Preserve, https://www.geonames.org/4846915, Five Ridge Prairie State Preserve, https://www.geonames.org/4857231, Kettleson Hogsback Wildlife Management Area, https://www.geonames.org/4863442, Spirit Lake, https://www.geonames.org/4877183, Gull Point State Park, https://www.geonames.org/4859463

Time: Wahpeton

وصف الملف: 1 page

Relation: Iowa Ornithologists' Union; https://n2t.net/ark:/87292/w9513tv8b; https://n2t.net/ark:/87292/w9xw47x3m; IOU_9591; MS166b027f005i039.tif; 6259; https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_9591/datastream/TN/view/Field%20reports%20form%20for%20submitting%20seasonal%20observations%20of%20Iowa%20birds,%20Jack%20Jones,%20summer%201997.jpg

الاتاحة: https://n2t.net/ark:/87292/w9xw47x3m
https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_9591/datastream/TN/view/Field%20reports%20form%20for%20submitting%20seasonal%20observations%20of%20Iowa%20birds,%20Jack%20Jones,%20summer%201997.jpg

المؤلفون: Moe, Mel

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

مصطلحات موضوعية: Bird watching, http://id.worldcat.org/fast/832948, Birds--Infancy, http://id.worldcat.org/fast/833030, Northern Harrier (Circus hudsonius), https://www.gbif.org/species/6101217, Short-eared Owl (Asio flammeus), https://www.gbif.org/species/2497295, Greater Prairie-Chicken (Tympanuchus cupido), https://www.gbif.org/species/2473510

جغرافية الموضوع: Kellerton, https://www.geonames.org/4863262, Ringgold State Wildlife Area, https://www.geonames.org/4873021, Ringgold County, https://www.geonames.org/4873016

Time: Kellerton

وصف الملف: 1 page

Relation: Iowa Ornithologists' Union; https://n2t.net/ark:/87292/w9513tv8b; https://n2t.net/ark:/87292/w9t43j40p; IOU_9592; MS166b027f005i050.tif; 6266; https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_9592/datastream/TN/view/Field%20notes%20contributed%20by%20Mel%20Moe,%20summer%201997.jpg

الاتاحة: https://n2t.net/ark:/87292/w9t43j40p
https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_9592/datastream/TN/view/Field%20notes%20contributed%20by%20Mel%20Moe,%20summer%201997.jpg

المؤلفون: Jones, Jack

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

مصطلحات موضوعية: Bird feeders, http://id.worldcat.org/fast/832917, Bird watching, http://id.worldcat.org/fast/832948, Birds--Counting, http://id.worldcat.org/fast/832986, Birds--Infancy, http://id.worldcat.org/fast/833030, Northern Harrier (Circus hudsonius), https://www.gbif.org/species/6101217, Broad-winged Hawk (Buteo platypterus), https://www.gbif.org/species/2480538, Green-backed Heron (Butorides striata), https://www.gbif.org/species/2480824, American Kestrel (Falco sparverius), https://www.gbif.org/species/9685907, Purple Martin (Progne subis), https://www.gbif.org/species/2489129, Ruby-throated Hummingbird (Archilochus colubris), https://www.gbif.org/species/5228514, Harris' Sparrow (Zonotrichia querula), https://www.gbif.org/species/5231139, Eastern Wood-Pewee (Contopus virens), https://www.gbif.org/species/5229734, Baltimore Oriole (Icterus galbula), https://www.gbif.org/species/2484340, Wood Duck (Aix sponsa), https://www.gbif.org/species/2498387, Osprey (Pandion haliaetus), https://www.gbif.org/species/2480726

جغرافية الموضوع: Dickinson County, https://www.geonames.org/4853961, Kettleson Hogsback Wildlife Management Area, https://www.geonames.org/4863442, https://www.geonames.org/4870217, Sioux City, https://www.geonames.org/4876523, West Okoboji Lake, https://www.geonames.org/4881478

Time: Osceola County, Wahpeton

وصف الملف: 3 pages

Relation: Iowa Ornithologists' Union; https://n2t.net/ark:/87292/w9513tv8b; https://n2t.net/ark:/87292/w9gq6r34j; IOU_9621; 6305; https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_9621/datastream/TN/view/Field%20reports%20form%20for%20submitting%20seasonal%20observations%20of%20Iowa%20birds,%20Jack%20Jones,%20fall%201997.jpg

الاتاحة: https://n2t.net/ark:/87292/w9gq6r34j
https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_9621/datastream/TN/view/Field%20reports%20form%20for%20submitting%20seasonal%20observations%20of%20Iowa%20birds,%20Jack%20Jones,%20fall%201997.jpg

المؤلفون: Kenne, Matthew

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, Birds--Infancy, http://id.worldcat.org/fast/833030, Birds--Feeding and feeds, http://id.worldcat.org/fast/833013, American Avocet (Recurvirostra americana), https://www.gbif.org/species/2480258, Northern Harrier (Circus hudsonius), https://www.gbif.org/species/6101217, Rough-legged Hawk (Buteo lagopus), https://www.gbif.org/species/2480524, Brewer's Blackbird (Euphagus cyanocephalus), https://www.gbif.org/species/2484183, Gray-cheeked Thrush (Catharus minimus), https://www.gbif.org/species/2490826, Smith's Longspur (Calcarius pictus), https://www.gbif.org/species/2491684, Snow Bunting (Plectrophenax nivalis), https://www.gbif.org/species/2491719, Ross' Goose (Chen rossii), https://www.gbif.org/species/2498160, Eastern Meadowlark (Sturnella magna), https://www.gbif.org/species/2484254, Yellow-bellied Flycatcher (Empidonax flaviventris), https://www.gbif.org/species/2482785

جغرافية الموضوع: Broken Kettle, https://www.geonames.org/4849419, Union Slough National Wildlife Refuge, https://www.geonames.org/4879394, https://www.geonames.org/4873097, Titonka, https://www.geonames.org/4878664, Ambrose A Call State Park, https://www.geonames.org/4846808

Time: Riverview Cemetery, Titonka

وصف الملف: 4 pages

Relation: Iowa Ornithologists' Union; https://n2t.net/ark:/87292/w9513tv8b; https://n2t.net/ark:/87292/w9dr2p94m; IOU_10927; 6215; https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_10927/datastream/TN/view/Field%20reports%20form%20for%20submitting%20seasonal%20observations%20of%20Iowa%20birds,%20Matthew%20Kenne,%20spring%201997.jpg

الاتاحة: https://n2t.net/ark:/87292/w9dr2p94m
https://digitalcollections.lib.iastate.edu/islandora/object/isu%3AIOU_10927/datastream/TN/view/Field%20reports%20form%20for%20submitting%20seasonal%20observations%20of%20Iowa%20birds,%20Matthew%20Kenne,%20spring%201997.jpg