UID
Digital Object Type Rare birds documentation form
Content DM Link https://n2t.net/ark:/87292/w9kd1qn9n
Type Text
Description Records Committee review for a Thayer's Gull at Lock and Dam 15 in Davenport in Scott County, IA on January 1, 1988. Includes a record review document with votes and a documentation form submitted to the committee.
Related Genres Administrative records Field notes
Sort Date 1988-01-01 - 1993-08-04
People / Organizations
Time 10:15 AM
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Collection Iowa Ornithologists' Union | MS 166
Box 11
Folder 3
Contributing Institution Iowa State University Library Special Collections and University Archives
Creator / Author Kent, Thomas H. (Thomas Hugh), 1934-
Contributors Iowa Ornithologists' Union Records Committee
Topics Bird watching Ornithology Ornithology--Societies, etc
Birds Thayer's Gull
Locations Lock and Dam 15
Map
Verbatim Locality Lock + Dam 15, Davenport, Scott Co, IA
Location Remarks The documentation forms do not include georeferences
Habitat Mississippi R.
Extent 2 pages
Language(s) eng
Bibliographic Citation
Information Withheld
Individual Count 1
Occurrence Remarks The documentation form by Thomas H. Kent is the only one submitted and forms the basis of this record. Other observers include Francis Moore and Dick Kraemer. | Elimination of similar species: [...] There were many first year Herrings that were darker with dark wingtips. We also saw, but not at same time, a larger, slightly lighter gull without tail band that we identified as a first year Glaucous Gull. It was consistently larger than Herring and heavier bodied. Uniform color, white flight feathers from below separate bird from Herring. Size and tail band separate from Glaucous. | The original documentation form event lasted from 10:15:00/10:45:00.
Occurrence Status present
Field Number 1988-27
Event Remarks Viewing Conditions: side to back light, full sun. 10x bincos + 20x scope. 50-100 yards.
Supporting Documentation
Date Digital 30 May 2017
File Type image/jpeg
Hardware / Software Epson - sheet feed