UID |
|
Digital Object Type |
Rare birds documentation form |
Content DM Link |
https://n2t.net/ark:/87292/w9f18sh6v |
Type |
Text |
Description |
Records Committee review for a Laughing Gull south of Saylorville in Polk County, IA on April 24, 1993. Includes a record review document with votes, an article in Passenger Pigeon, an article in Illinois Audubon Bulletin, correspondence about the bird sighting, and a documentation form submitted to the committee. |
Related Genres |
Administrative records Clippings (information artifacts) Correspondence Field notes |
Sort Date |
1993-04-24 - 1995-07-08 |
People / Organizations |
|
Time |
9:20 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 |
Engebretsen, Bery |
Contributors |
Kent, Thomas H. (Thomas Hugh), 1934- Iowa Ornithologists' Union Records Committee |
Topics |
Bird watching Ornithology Ornithology--Societies, etc |
Birds |
Laughing Gull |
Locations |
Saylorville |
Map |
|
Verbatim Locality |
South of Saylorville |
Location Remarks |
The documentation forms do not include georeferences |
Habitat |
Flooded bean field (Des Moines River bottom land) |
Extent |
13 pages |
Language(s) |
eng |
Bibliographic Citation |
|
Information Withheld |
|
Individual Count |
1 |
Occurrence Remarks |
The documentation form by Bery Engebretsen is the only one submitted and forms the basis of this record. Other observers include Eugene Armstrong and Eloise Armstrong. | Elimination of similar species: Bird flew & sat on ground next to Franklin's Gulls, and Bonaparte's gulls. Did not have white wedge of Bonapartes, Blackheaded or Sabine's Gull's. The other black-headed gull, the Little Gull, has no black at all on wing tips. See above for comparison to Franklin's. [...] Larger bill, compared to adjacent Franklin's, was not pure red, partially black. Eye ring smaller, less conspicuous, again, than adjacent Franklins. | The original documentation form event lasted from 09:20:00/09:40:00. |
Occurrence Status |
present |
Field Number |
1993-11 |
Event Remarks |
Viewing Conditions: Bird was to West, good overcast light. About 50 yds 10x50 Binoc. 10-30x Scope |
Supporting Documentation |
National Geographic Society. National geographic field guide to the birds of North America. Washington D.C.: National Geographic Society. |
Date Digital |
26 May 2017 |
File Type |
image/jpeg |
Hardware / Software |
Epson - sheet feed/flatbed |