UID |
|
Digital Object Type |
Rare birds documentation form |
Content DM Link |
https://n2t.net/ark:/87292/w9xg9fd0p |
Type |
Text |
Description |
Rare bird documentation form for three White-winged Scoters at Little Wall lake in Hamilton County, IA on November 10, 1979. |
Related Genres |
Field notes |
Sort Date |
1979-11-10 - 1979-11-12 |
People / Organizations |
|
Time |
10:30 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 |
12 |
Contributing Institution |
Iowa State University Library Special Collections and University Archives |
Creator / Author |
Dinsmore, James J. |
Contributors |
Dinsmore, Stephen J. Dinsmore, Mark W. |
Topics |
Birds--Identification Ornithology--Societies, etc Rare birds |
Birds |
White-winged Scoter |
Locations |
Little Wall Lake |
Map |
|
Verbatim Locality |
Little Wall Lake, Hamilton Co., IA |
Location Remarks |
The documentation forms do not include georeferences |
Habitat |
open water of freshwater lake |
Extent |
2 pages |
Language(s) |
eng |
Bibliographic Citation |
|
Information Withheld |
|
Individual Count |
3 |
Occurrence Remarks |
The documentation form by James Dinsmore is the only one submitted and forms the basis of this record. Other observers include Mark and Steve Dinsmore. | Elimination of similar species: Black Scoter- these birds had white wing patches Surf Scoter- no evidence of white patch on back of head, also wing patches Double-crested Cormorant-wing patches, didn't hold bill up like cormorants do, coloration on head not like cormorant. | The original documentation form event lasted from 10:30:00/10:50:00. |
Occurrence Status |
present |
Field Number |
|
Event Remarks |
Viewing Conditions: Distance: one bird-est. 100 yards, other 2-300 + yards Optical equipment: 20-45X spotting scopes Light: sky basically clear, water calm, not windy, light overhead and had good viewing |
Supporting Documentation |
Robbins CS, Bruun B, Zim HS. Birds of North America: a guide to field identification. New York: Golden Guides from St. Martin's Press. |
Date Digital |
28 Nov 2017 |
File Type |
image/jpeg |
Hardware / Software |
Epson - sheet feed |