| UID |
|
| Digital Object Type |
Rare birds documentation form |
| Content DM Link |
https://n2t.net/ark:/87292/w9m03z09z |
| Type |
Text |
| Description |
Records Committee review for an Iceland Gull at Lock and Dam 14 near Le Claire in Scott County, IA on December 31, 1991. Includes a record review document with votes, an article in Iowa Bird Life, and two documentation forms submitted to the committee. |
| Related Genres |
Administrative records Clippings (information artifacts) Field notes |
| Sort Date |
1991-12-31 - 1993-07-17 |
| People / Organizations |
|
| Time |
1:15 PM |
| 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 |
11 |
| Folder |
4 |
| Contributing Institution |
Iowa State University Library Special Collections and University Archives |
| Creator / Author |
Kent, Thomas H. (Thomas Hugh), 1934- |
| Contributors |
Iowa Ornithologists' Union Records Committee Fuller, James L |
| Topics |
Bird watching Ornithology Ornithology--Societies, etc |
| Birds |
Iceland Gull |
| Locations |
Lock and Dam 14 |
| Map |
|
| Verbatim Locality |
Lock and Dam 14, Scott Co., IA |
| Location Remarks |
The documentation forms do not include georeferences |
| Habitat |
Mississippi River |
| Extent |
7 pages |
| Language(s) |
eng |
| Bibliographic Citation |
|
| Information Withheld |
|
| Individual Count |
1 |
| Occurrence Remarks |
The documentation form by Thomas H. Kent is the earliest and the one that forms the basis of this record. Another documentation form by Jim Fuller was submitted later. Other observers include Pete Wickham, John Daniel, Chuck Fuller, Bill Dawes, and John Rutenbeck. | Elimination of similar species: At first I thought the bird might be a Glaucous Gull, but the all black bill quickly excluded that possibility. Later I confirmed that the bird was smaller than Herrings and had a bill that was too small and too short for a Glaucous. I believe that the tail band also argues against Glaucous. I next considered Thayer's Gull, but decided that the tail band was not extensive enough, that there was no secondary bar, that the wing tips were too light (both in flight and on the standing bird), and that the tertials were not dark enough on the standing bird. All of the findings were a good fit for first-winter Iceland Gull. | The original documentation form event lasted from 13:15:00/13:35:00 on December 31, 1991 and 08:55:00/10:20:00 on January 1, 1992. |
| Occurrence Status |
present |
| Field Number |
1991-47 |
| Event Remarks |
Viewing Conditions: Light: There was a heavy overcast both days, but this provided a nice light for viewing. Distance: 50 to 200 yards (estimated from width of lock). Optics: 10x binocular, 20x scope. |
| Supporting Documentation |
Zimmer K. Plumage variation in 'Kumlien's' Iceland gull. Birding. 1991; 23; 254-269. |
| Date Digital |
30 May 2017 |
| File Type |
image/jpeg |
| Hardware / Software |
Epson - sheet feed |
