| UID |
|
| Digital Object Type |
Rare birds documentation form |
| Content DM Link |
https://n2t.net/ark:/87292/w9ht2gd81 |
| Type |
Text |
| Description |
Rare bird documentation form for a Surf Scoter at Saylorville Reservoir in Polk County, IA on October 24, 1985. |
| Related Genres |
Field notes |
| Sort Date |
1985-10-24 |
| People / Organizations |
|
| Time |
8:30 AM |
| 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 |
33 |
| Folder |
11 |
| Contributing Institution |
Iowa State University Library Special Collections and University Archives |
| Creator / Author |
Dinsmore, Stephen J. |
| Contributors |
|
| Topics |
Birds--Identification Ornithology Rare birds |
| Birds |
Surf Scoter |
| Locations |
Polk City Wildlife Area |
| Map |
|
| Verbatim Locality |
Polk City Wildlife Refuge, adjacent to Saylorville Reservoir, Polk County |
| Location Remarks |
The documentation forms do not include georeferences |
| Habitat |
large backwater area of reservoir |
| Extent |
1 page |
| Language(s) |
eng |
| Bibliographic Citation |
|
| Information Withheld |
|
| Individual Count |
1 |
| Occurrence Remarks |
The documentation form by Steve Dinsmore is the only one submitted and forms the basis of this record. | Elimination of similar species: Other ducks eliminated by size, uniform dark color, lack of wing markings, and bill size and shape. White-winged Scoter eliminated by lack of white wing patches. Imm. or female Black Scoter eliminated by white spots on cheek instead of white throat and by bill shape. All male Scoters eliminated by Black, rather than brown, body color. | The original documentation form event lasted from 08:30:00/09:10:00. |
| Occurrence Status |
present |
| Field Number |
|
| Event Remarks |
Viewing Conditions: Light was excellent with the sun behind me or at about 45 degrees and a clear sky. Estimated viewing distance of 150 yards. I used a B+L 20x spotting scope. |
| Supporting Documentation |
Peterson RT. Field guide to birds of Eastern and Central North America. New York: Houghton Mifflin Harcourt. | National Geographic Society. National geographic field guide to the birds of North America. Washington D.C.: National Geographic Society. |
| Date Digital |
28 Nov 2017 |
| File Type |
image/jpeg |
| Hardware / Software |
Epson - sheet feed |
