UID |
|
Digital Object Type |
Rare birds documentation form |
Content DM Link |
https://n2t.net/ark:/87292/w95q4rp4m |
Type |
Text |
Description |
Records Committee review for a Western Gull east of Lock and Dam 15 near Davenport in Scott County, IA on December 11, 1989. Includes a record review document with votes, correspondence relevant to bird sighting and review, and three documentation forms submitted to the committee. |
Related Genres |
Administrative records Correspondence Field notes |
Sort Date |
1989-12-11 - 1993-08-06 |
People / Organizations |
|
Time |
3:30 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 |
7 |
Contributing Institution |
Iowa State University Library Special Collections and University Archives |
Creator / Author |
Petersen, Peter C. |
Contributors |
Bendorf, Carl J. Blevins, Brian L. White, Gerald Iowa Ornithologists' Union Records Committee |
Topics |
Bird watching Ornithology Ornithology--Societies, etc |
Birds |
Western Gull |
Locations |
Lock and Dam 15 |
Map |
|
Verbatim Locality |
On Miss. River chanel [sic] ice between Davenport, Scott Co. IA &+ Rock Isl. Arsenal, RI Co. IL. |
Location Remarks |
The documentation forms do not include georeferences |
Habitat |
On ice covered chanel [sic] of Mississippi - 1/4 - 1/2 mi. upstream (East) of Lock + Dam 15. |
Extent |
11 pages |
Language(s) |
eng |
Bibliographic Citation |
|
Information Withheld |
|
Individual Count |
1 |
Occurrence Remarks |
The documentation form by Peter C. Petersen forms the basis of this record. Other documentation forms by Brian Blevins and Gerald White were submitted. Another observers includes Lewis Blevins. | Elimination of similar species: Slaty-backed Gull - Gray mantle merged directly to black tips, trailing white wing edge too narrow, mantle color too dark for g.b. Lesser-Black-bkd Gull - leg color pink, bird too large + heavy Greater Black-bkd. Gull - Bird too small, back not black enough, legs too bright + pink. | The original documentation form event lasted from 15:30:00/15:35:00 on December 11, 1986, 08:20:00/08:25:00 and 09:00:00/09:15:00 on December 12, 1986. |
Occurrence Status |
present |
Field Number |
1989-55 |
Event Remarks |
Viewing Conditions: Optical equipment: 10x40 Zeiss binocs. Swift scope at 30-40x60. Distance: 100 m. est. Lighting: P.M. obs. - sun 90° to side - obs. in IA. AM obs. - Sun directly behind obs. obs in IL. |
Supporting Documentation |
National Geographic Society. National geographic field guide to the birds of North America. Washington D.C.: National Geographic Society. | Grant, PJ. Gulls: a guide to identification. Cambridge, MA: Academic Press. | Harrison P. Seabirds: an identification guide. New York: Houghton Mifflin Harcourt. |
Date Digital |
01 Jun 2017 |
File Type |
image/jpeg |
Hardware / Software |
Epson - sheet feed |