UID
Digital Object Type Rare birds documentation form
Content DM Link https://n2t.net/ark:/87292/w9445hf39
Type Text
Description Rare bird documentation form for two Franklin's Gulls at Saylorville Reservoir in Polk County, IA on December 2, 1987.
Related Genres Field notes
Sort Date 1987-12-02 - 1987-12-04
People / Organizations
Time 3:40 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 32
Contributing Institution Iowa State University Library Special Collections and University Archives
Creator / Author Dinsmore, Stephen J.
Contributors
Topics Birds--Identification Ornithology Rare birds
Birds Franklin's Gull
Locations Saylorville Lake
Map
Verbatim Locality Saylorville Reservoir, Polk Co.-above dam
Location Remarks The documentation forms do not include georeferences
Habitat resting with other gulls on large reservoir
Extent 1 page
Language(s) eng
Bibliographic Citation
Information Withheld
Individual Count 2
Occurrence Remarks The documentation form by Steve Dinsmore is the only one submitted and forms the basis of this record. | Elimination of similar species: The dark hood and wing pattern eliminate all other gulls except Laughing Gull. The small bill and white bar separating the black wingtip from the rest of the wing eliminates Laughing Gull (in adult plumage). | The original documentation form event lasted from 15:40:00/16:30:00.
Occurrence Status present
Field Number
Event Remarks Viewing Conditions: Viewing conditions were excellent with the sun behind me. Estimated viewing distance was about 300-400 yards. I used a Buschnell 20-45x spotting scope.
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