UID |
|
Digital Object Type |
Rare birds documentation form |
Content DM Link |
https://n2t.net/ark:/87292/w93r0pw8m |
Type |
Text |
Description |
Records Committee review for a Great Black-backed Gull at Red Rock Reservoir in Marion County, IA on December 3, 1986. Includes a record review document with votes and a documentation submitted to the committee. |
Related Genres |
Administrative records Field notes |
Sort Date |
1986-12-03 - 1993-09-07 |
People / Organizations |
|
Time |
2:35 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 |
8 |
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 |
Great Black-backed Gull |
Locations |
Lake Red Rock |
Map |
|
Verbatim Locality |
Seen from Hwy 14 bridge across Red Rock Res. |
Location Remarks |
The documentation forms do not include georeferences |
Habitat |
|
Extent |
2 pages |
Language(s) |
eng |
Bibliographic Citation |
|
Information Withheld |
|
Individual Count |
1 |
Occurrence Remarks |
The documentation by Peter C. Petersen is the only one submitted and forms the basis of this record. Another observer includes Gil Sandvick. | Elimination of similar species: [...] Herring Gull eliminated by large size, small amount of dark brown on tail, light head + rump. Also lacked light area on inner primaries noted in the nearby Herring Gull. | The original documentation form event lasted from 14:35:00/14:35:30. |
Occurrence Status |
present |
Field Number |
1986-32 |
Event Remarks |
Viewing Conditions: [...] Seen from about 100-120 meters with 10X40 + 7X35 binoculars Sun directly behind observers + shining on bird. |
Supporting Documentation |
National Geographic Society. National geographic field guide to the birds of North America. Washington D.C.: National Geographic Society. | Harrison P. Seabirds: an identification guide. New York: Houghton Mifflin Harcourt. | Grant, PJ. Gulls: a guide to identification. Cambridge, MA: Academic Press. | Farrand J. The Audubon society master guide to birding, vol. 2, gulls to dippers. New York: Alfred A. Knopf, Inc. |
Date Digital |
01 Jun 2017 |
File Type |
image/jpeg |
Hardware / Software |
Epson - sheet feed |