| UID |
|
| Digital Object Type |
Rare birds documentation form |
| Content DM Link |
https://n2t.net/ark:/87292/w9mk65b50 |
| Type |
Text |
| Description |
Records Committee review for two Thayer's Gulls at Red Rock Reservoir Dam in Marion County, IA on March 14, 1991. Includes a record review document with votes and two documentation forms submitted to the committee. |
| Related Genres |
Administrative records Field notes |
| Sort Date |
1991-03-14 - 1993-07-17 |
| People / Organizations |
|
| Time |
10:20 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 |
11 |
| Folder |
3 |
| Contributing Institution |
Iowa State University Library Special Collections and University Archives |
| Creator / Author |
Johnson, Ann |
| Contributors |
Porter, Diane C. Iowa Ornithologists' Union Records Committee |
| Topics |
Bird watching Ornithology Ornithology--Societies, etc |
| Birds |
Thayer's Gull |
| Locations |
Red Rock Dam |
| Map |
|
| Verbatim Locality |
Below dam, Red Rock Reservoir, Marion Co., IA |
| Location Remarks |
The documentation forms do not include georeferences |
| Habitat |
Gravel bar and open river |
| Extent |
3 pages |
| Language(s) |
eng |
| Bibliographic Citation |
|
| Information Withheld |
|
| Individual Count |
2 |
| Occurrence Remarks |
The documentation form by Ann Johnson is the one that forms the basis of this record. Another documentation form by Diane Porter was submitted. Other observers include Beth Brown and Tim Schantz. | Elimination of similar species: Herring Gull was eliminated by the light and uniform body color, brown as opposed to blackish primaries and tail band, bill and head structure, and lack of any color to the underside of the primaries. Iceland Gull was eliminated based on the darker secondaries and wide, brown tail band. | The original documentation form event lasted from 10:20:00/10:40:00. |
| Occurrence Status |
present |
| Field Number |
1991-14 |
| Event Remarks |
Viewing Conditions: Viewed in clear skies through scope at about 25X at a distance of an estimated 250 feet. |
| Supporting Documentation |
|
| Date Digital |
30 May 2017 |
| File Type |
image/jpeg |
| Hardware / Software |
Epson - sheet feed |
