UID |
|
Digital Object Type |
Rare birds documentation form |
Content DM Link |
https://n2t.net/ark:/87292/w90c4sn33 |
Type |
Image, Text |
Description |
Records Committee review for a Laughing Gull at North Overlook Beach at Red Rock Dam in Marion County, IA on August 19, 1989. Includes one record review document with votes, four photographs of the bird, analysis of the photographs, an Iowa Bird Life article, and eight documentation forms submitted to the committee. |
Related Genres |
Administrative records Clippings (information artifacts) Field notes Photographs |
Sort Date |
1989-08-19 - 1993-08-05 |
People / Organizations |
|
Time |
7:30 AM |
Rights |
This complex item has mixed rights protection. Portions in which Iowa State University is the copyright holder are made available for non-commercial use, including sharing and adapting the work. No permission is required for non-commercial use to these portions so long as attribution is provided. All other uses of these portions, including commercial, require permission from the Iowa State University Library Special Collections and University Archives (archives@iastate.edu). (CC BY-NC 4.0 International). Portions in which Iowa State University is not the copyright holder are believed to be under copyright, but either (a) no rights-holder(s) have been identified or (b) one or more rights-holder(s) have been identified but none have been located. If you have any information that can contribute to identifying or locating the rights-holder(s) please notify the Iowa State University Library Digital Initiatives Program (digital@iastate.edu). (Rightsstatements.org InC-RUU 1.0). The original object is available at the Iowa State University Library Special Collections and University Archives (archives@iastate.edu). |
Data Access Rights |
http://vertnet.org/resources/norms.html |
Data License |
http://creativecommons.org/publicdomain/zero/1.0 |
Collection |
Iowa Ornithologists' Union | MS 166 |
Box |
10 |
Folder |
18 |
Contributing Institution |
Iowa State University Library Special Collections and University Archives |
Creator / Author |
Huser, Bill F. |
Contributors |
Kent, Thomas H. (Thomas Hugh), 1934- Armstrong, Eloise Armstrong, Eugene Cecil, Robert I. Johnson, Ann Petersen, Peter C. Sinclair, Jim Iowa Ornithologists' Union Records Committee Fuller, James L |
Topics |
Bird watching Ornithology Ornithology--Societies, etc |
Birds |
Laughing Gull |
Locations |
North Overlook Park |
Map |
|
Verbatim Locality |
L. Red Rock, Dam Site Swim Beach, Marion County, IA |
Location Remarks |
The documentation forms do not include georeferences |
Habitat |
Sand beach bordering open water |
Extent |
29 pages |
Language(s) |
eng |
Bibliographic Citation |
|
Information Withheld |
|
Individual Count |
1 |
Occurrence Remarks |
The documentation form by Bill Huser is the earliest and the one that forms the basis of this record. Other documentation forms by Ann Johnson, Eugene Armstrong and Eloise Armstrong, Jim Fuller, Peter C. Petersen, Thomas H. Kent, Robert Cecil, Jim Sinclair were submitted later. Other observers include Carol Thompson, Art Huser, and many unidentified other observers. | Elimination of similar species: Heerman's gen'l coloration wrong, two-toned bill juv. too dark ventrally. Mew short bill, yellow or two-tone bill juv. two-tone bill, mottled or barred breast + flanks Mew (L.c. brachyrhynchus) bill short + two-toned 1st win. - tertials lack pale fringes Sabine's small size, distinct wing pattern, including white secondaries. Ivory all plumages generally white Black-headed Bill quite slender + two toned Bonapartes small size, bill small + slender Franklin short bill, juv underparts whitish Ring-Billed 2-tone bill in all plumages, juv spotted breast, larger | The original documentation form event lasted from 07:30:00/08:30:00 and 09:45:00/10:15:00 on August 19, 1989 and 07:15:00/07:45:00 and 08:45:00/09:45:00 on August 20, 1989. |
Occurrence Status |
present |
Field Number |
1989-35 |
Event Remarks |
Viewing Conditions: 8/19 cloudy; indirect lighting ; estimated 120 yds, 32x Bushnell Scope 8/20 sunny; direct frontal lighting; est. 120-60yd, 32x Bushnell + 210mm photos |
Supporting Documentation |
National Geographic Society. National Geographic field guide to the birds of North America. Washington (DC): National Geographic Society. | Harrison P. Seabirds: an identification guide. Boston (MA): Houghton Mifflin Company; 1983. |
Date Digital |
24 May 2017 |
File Type |
image/jpeg |
Hardware / Software |
Epson - sheet feed/flatbed |