UID
Digital Object Type Rare birds documentation form
Content DM Link https://n2t.net/ark:/87292/w9sq8qk01
Type Text
Description Rare bird documentation form for a Red-necked Grebe at Saylorville Reservoir in Polk County, IA on November 1, 1987.
Related Genres Field notes
Sort Date 1987-11-01 - 1987-11-05
People / Organizations
Time 9:30 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 32
Folder 13
Contributing Institution Iowa State University Library Special Collections and University Archives
Creator / Author Dinsmore, Stephen J.
Contributors Engebretsen, Bery
Topics Birds--Identification Ornithology Rare birds
Birds Red-necked Grebe
Locations Saylorville Lake
Map
Verbatim Locality Saylorville Reservoir, Polk Co.-above dam
Location Remarks The documentation forms do not include georeferences
Habitat resting on large 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. Other observers include Bery Engebretsen. | Elimination of similar species: The size and shape eliminates loons and all other grebes except Western Grebe. The bill shape, light mark on the cheek, and the position of the wing patch eliminates Western Grebe. | The original documentation form event lasted from 09:30:00/09:40:00.
Occurrence Status present
Field Number
Event Remarks Viewing Conditions: Viewing conditions were not too good with dense fog and visibility of about 75 feet. We saw the bird from as close as 30 feet. I used Nikon 8x23 binoculars.
Supporting Documentation
Date Digital 17 Nov 2017
File Type image/jpeg
Hardware / Software Epson - sheet feed