UID
Digital Object Type Rare birds documentation form
Content DM Link https://n2t.net/ark:/87292/w9zw18v8q
Type Text
Description Records Committee review for a Thayer's Gull at Coralville Dam in Johnson County, IA on December 6, 1981. Includes a record review document with votes, correspondence and commentary about the sighting, field notes, and a documentation form submitted to the committee.
Related Genres Administrative records Correspondence Field notes
Sort Date 1981-12-06 - 1993-08-26
People / Organizations
Time 8:15 AM
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Data License http://creativecommons.org/publicdomain/zero/1.0
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 Paulson, Dennis R. Bendorf, Carl J. Dunn, Jonathan L. Lehman, Paul Newlon, Michael C. Wahl, Terrence R. Iowa Ornithologists' Union Records Committee
Topics Bird watching Ornithology Ornithology--Societies, etc
Birds Thayer's Gull
Locations Coralville Dam
Map
Verbatim Locality Coralville Res. Dam, Johnson Co., Iowa
Location Remarks The documentation forms do not include georeferences
Habitat Reservoir just above dam on ice
Extent 9 pages
Language(s) eng
Bibliographic Citation
Information Withheld
Individual Count 1
Occurrence Remarks The documentation form by Thomas H. Kent as dictated to Carl Bendorf is the only one submitted and forms the basis of this record. Another observer was Carl Bendorf. | Elimination of similar species: imm. Herring Gull. The second year Herring has a light bill with black tip and more contrasting black and white pattern to wings and tail. The first year Herring is much darker, has a more bulbous, hooked bill, and lacks the definitewhite [sic] window in flight. | The original documentation form event lasted from 08:15:00/08:30:00.
Occurrence Status present
Field Number 1981-18
Event Remarks Viewing Conditions: Dull overcast day with sun to right and behind birds. 100 yards (est). 20 X scope, 8 X binoculars, 15 X Celestron camera lens.
Supporting Documentation
Date Digital 30 May 2017
File Type image/jpeg
Hardware / Software Epson - sheet feed