UID |
|
Digital Object Type |
Rare birds documentation form |
Content DM Link |
https://n2t.net/ark:/87292/w99g5gg97 |
Type |
Text |
Description |
Records Committee review for a Thayer's Gull near Lindsay Park in Davenport in Scott County, IA on February 18, 1989. Includes a record review document with votes and a documentation form submitted to the committee for this sighting. |
Related Genres |
Administrative records Field notes |
Sort Date |
1989-02-18 - 1993-08-05 |
People / Organizations |
|
Time |
9:50 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 |
Petersen, Peter C. |
Contributors |
Iowa Ornithologists' Union Records Committee |
Topics |
Bird watching Ornithology Ornithology--Societies, etc |
Birds |
Thayer's Gull |
Locations |
Lindsay Park |
Map |
|
Verbatim Locality |
Lindsay Park Boat Club harbor, east edge of Davenport Scott Co. |
Location Remarks |
The documentation forms do not include georeferences |
Habitat |
On ice shelf along Mississippi River, 40 yards from sea wa[...] |
Extent |
3 pages |
Language(s) |
eng |
Bibliographic Citation |
|
Information Withheld |
|
Individual Count |
1 |
Occurrence Remarks |
The documentation form by Peter C. Petersen is the only one submitted and forms the basis of this record.Other observers include Walter Zuurdeeg and many unidentified observers. | Elimination of similar species: [...] Immature gull same size as nearby Herring Gulls. [...] Head smaller than Herrings, bill more slight, black, + not thickened at the tip, compared to Herrings. When wings spread - this was seen twice, the upper surface seemed fairly uniform with no dark tip pattern as in the Herrings. | The original documentation form event lasted from 09:50:00/09:55:00. |
Occurrence Status |
present |
Field Number |
1989-09 |
Event Remarks |
Viewing Conditions: [...] Bird seen from about 100 yards with 10X40 binoculars + 20x scope. Sun at 90° angle to birds. |
Supporting Documentation |
National Geographic Society. National geographic field guide to the birds of North America. Washington D.C.: National Geographic Society. | Farrand J. The Audubon society master guide to birding, vol. 2, gulls to dippers. New York: Alfred A. Knopf, Inc. |
Date Digital |
30 May 2017 |
File Type |
image/jpeg |
Hardware / Software |
Epson - sheet feed |