| UID |
|
| Digital Object Type |
Rare birds documentation form |
| Content DM Link |
https://n2t.net/ark:/87292/w9086378k |
| Type |
Text |
| Description |
Rare bird documentation form for a Laughing Gull at Saylorville Dam in Polk County, IA on April 16, 1999. |
| Related Genres |
Field notes |
| Sort Date |
1999-04-16 - 1999-04-19 |
| People / Organizations |
|
| Time |
3:30 PM |
| Rights |
This Item is protected by copyright and/or related rights. However, for this Item, 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 |
34 |
| Folder |
31 |
| Contributing Institution |
Iowa State University Library Special Collections and University Archives |
| Creator / Author |
Thompson, Dennis |
| Contributors |
|
| Topics |
Birds--Identification Ornithology Rare birds |
| Birds |
Laughing Gull |
| Locations |
Saylorville Dam |
| Map |
|
| Verbatim Locality |
Below Saylorville Dam, Polk Co. Ia |
| Location Remarks |
The documentation forms do not include georeferences |
| Habitat |
|
| Extent |
1 page |
| Language(s) |
eng |
| Bibliographic Citation |
|
| Information Withheld |
|
| Individual Count |
1 |
| Occurrence Remarks |
The documentation form by Dennis Thompson is the only one submitted and forms the basis of this record. | Elimination of similar species: Franklin's + this bird were swimming side by side. Bill longer, bulkier. No white in the wing tips while resting. Stretched its wings once, with no white visible in the primaries nor any white bar separating the gray wing from the black primaries. White spots + bar visible in nearby Franklin's. Direct size comparison noted above. | The original documentation form event lasted from 15:30:00/15:40:00. |
| Occurrence Status |
present |
| Field Number |
|
| Event Remarks |
Viewing Conditions: Distance: 50 yd. Optical equipment: 20x Kowa scope. Light: light overcast. Excellent viewing conditions, plus observed at close range. |
| Supporting Documentation |
National Geographic Society. National geographic field guide to the birds of North America. Washington D.C.: National Geographic Society. |
| Date Digital |
15 Dec 2017 |
| File Type |
image/jpeg |
| Hardware / Software |
Epson - sheet feed |
