UID
Digital Object Type Rare birds documentation form
Content DM Link https://n2t.net/ark:/87292/w96w96c4w
Type Text
Description Records Committee review for a Ross's Gull at Lake Manawa in Pottawattamie County, IA on December 27, 1997. Includes a record review document with votes, an article in Iowa Bird Life, and five documentation forms submitted to the committee.
Related Genres Administrative records Clippings (information artifacts) Field notes
Sort Date 1997-12-27 - 2000-11-24
People / Organizations
Time 10:30 AM
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Data License http://creativecommons.org/publicdomain/zero/1.0
Collection Iowa Ornithologists' Union | MS 166
Box 11
Folder 11
Contributing Institution Iowa State University Library Special Collections and University Archives
Creator / Author Padelford, Babs Padelford, Loren
Contributors Dinsmore, Stephen J. Silcock, W. Ross Bright, Duane E. Huser, Bill F. Probst, Jerry Iowa Ornithologists' Union Records Committee
Topics Birds--Identification Ornithology Rare birds
Birds Ross's Gull
Locations Lake Manawa
Map
Verbatim Locality Lake Manawa, Pottawattamie County, Iowa
Location Remarks The documentation forms do not include georeferences
Habitat
Extent 8 pages
Language(s) eng
Bibliographic Citation
Information Withheld
Individual Count 1
Occurrence Remarks The documentation form by Babs and Loren Padelford forms the basis of this record. Other documentation forms by Ross Silcock, Duane E. Bright, Stephen J. Dinsmore, and Jerry Probst and Bill Huser were submitted. Other observers include Gordon Brown, Sandra Kovanda, Jim Kovanda, R. Craig Hensley, and other unidentified observers. | Elimination of similar species: [...] Since it was the only gull on the lake, the only birds to compare it with were Ruddy Ducks which appeared smaller and a drake Common Merganser which was larger than the gull. | The original documentation form event lasted from 10:30:00/11:00:00 and 15:15:00/16:15:00.
Occurrence Status present
Field Number 1997-61
Event Remarks Viewing Conditions: Distance: approximately 300 to 500 yards. Optical Equipment: Bausch & Lomb Elite binoculars 10 x 42; Docter 8 x 30 binoculars; Bushnell Spacemaster Spotting Scope 25 x 60. Light: [...] The sun was shining to the south of us and viewing conditions were not ideal. During the afternoon, there was filtered sunlight through high clouds and viewing conditions were better.
Supporting Documentation
Date Digital 05 Jun 2017
File Type image/jpeg
Hardware / Software Epson - sheet feed