UID
Digital Object Type Rare birds documentation form
Content DM Link https://n2t.net/ark:/87292/w90863665
Type Image, Text
Description Records Committee review for a Clark's Grebe at Diamond Lake in Poweshiek County, IA on December 13, 1997. Includes a record review document with votes, photos, an Iowa Bird Life article, and five documentation forms submitted to the committee.
Related Genres Administrative records Clippings (information artifacts) Field notes Photographs
Sort Date 1997-12-13 - 2000-11-24
People / Organizations
Time 12:15 PM
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Data License http://creativecommons.org/publicdomain/zero/1.0
Collection Iowa Ornithologists' Union | MS 166
Box 7
Folder 9
Contributing Institution Iowa State University Library Special Collections and University Archives
Creator / Author Allen, Pam Allen, Reid I.
Contributors Kent, Thomas H. (Thomas Hugh), 1934- Overton, Michael D. Proescholdt, Mark Walsh, Philip J. Iowa Ornithologists' Union Records Committee
Topics Bird watching Ornithology Ornithology--Societies, etc
Birds Clark's Grebe
Locations Diamond Lake
Map
Verbatim Locality Poweshiek County, Diamond Lake Park
Location Remarks The documentation forms do not include georeferences
Habitat
Extent 14 pages
Language(s) eng
Bibliographic Citation
Information Withheld
Individual Count 1
Occurrence Remarks The documentation form by Pam and Reid Allen is the earliest and the one that forms the basis of this record. Other documentation forms by Mark Proescholdt, Thomas H. Kent, Phil Walsh, and Michael D. Overton were submitted later. Other observers include Jim Sinclair, Ann Johnson, Eugene Armstrong, Dixie Overton, Cal Knight, Bernie Knight, and Eloise Armstrong. | Elimination of similar species: The Western Grebe (Aechmorphorus occidentalis) has a much duller, greyish-greenish yellow bill and the body and flanks are blacker. Plus, the black cap extends over the eyes and lores, and there is a more solid blackish cast on the bill. | The original documentation form event lasted from 12:15:00/14:10:00.
Occurrence Status present
Field Number 1997-50
Event Remarks Bausch & Lomb Elite 8x42 and 10x42 binoculars (nitrogen-purged models); Kowa TSN-4 spotting scope; photographed by Reid I. Allen with a Canon A2E camera with a 400 mm lens and with an 800 mm telephoto attachment on the Kowa TSN-4 spotting scope.
Supporting Documentation National Geographic. Field guide to the birds of North America. 2nd Edition. Washington, DC: National Geographic Society; 1987.
Date Digital 04 May 2017
File Type image/jpeg
Hardware / Software Epson - sheet feed/flatbed