UID
Digital Object Type Rare birds documentation form
Content DM Link https://n2t.net/ark:/87292/w9g44ht3z
Type Text
Description Records Committee review for a Iceland Gull near Lock and Dam 15 near Davenport in Scott County, IA on December 22, 1985. Includes record review documents with votes, articles in Illinois Birds and Birding as well as American Birds, correspondence about the bird sighting, and four documentation forms submitted to the committee.
Related Genres Administrative records Clippings (information artifacts) Correspondence Field notes Tables (documents)
Sort Date 1985-12-22 - 1993-09-03
People / Organizations
Time 11:40 AM
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Data License http://creativecommons.org/publicdomain/zero/1.0
Collection Iowa Ornithologists' Union | MS 166
Box 11
Folder 4
Contributing Institution Iowa State University Library Special Collections and University Archives
Creator / Author Petersen, Peter C.
Contributors Kent, Thomas H. (Thomas Hugh), 1934- Barker, Ann M. Petersen, Mary Lou Scheider, F.G. Iowa Ornithologists' Union Records Committee Peterjohn, Bruce G. Barker, Bill
Topics Bird watching Ornithology Ornithology--Societies, etc
Birds Iceland Gull
Locations Lock and Dam 15
Map
Verbatim Locality Location: Davenport. County: Scott
Location Remarks The documentation forms do not include georeferences
Habitat General: Chanel [sic] of Miss. R., near middle of river when standing. Specific: 1/2 - 3/4 mi. above Lock + Dam 15.
Extent 27 pages
Language(s) eng
Bibliographic Citation
Information Withheld
Individual Count 1
Occurrence Remarks The documentation form by Peter C. Petersen forms the basis of this record. Other documentation forms by Ann Barker, Mary Lou Petersen, and Bill Barker were submitted. Other observers include Steve Dinsmore, Paul Martsching, Pete Wickham, Mark Brogie, Lewis Blevins, Corey Blevins, Brett Ashford, and Dale Dickinson. | Elimination of similar species: Glaucous Gull eliminated by size, wing extention [sic] well beyond tail. Flight, headshape, all emphasized by direct comparison with Glaucous Gulls. The next afternoon Bill Barker compared this bird to two different sized Glaucous Gulls and it was smaller than the smaller Glaucous Gull. Plumage lighter than Glaucous also. | The original documentation form event lasted from 11:40:00/12:10:00.
Occurrence Status present
Field Number 1985-23
Event Remarks Viewing Conditions: Distance: 300 yards. est. Optical equipment: 30 - 40X Scopes Light: sun at right angle from left.
Supporting Documentation National Geographic Society. National geographic field guide to the birds of North America. Washington D.C.: National Geographic Society. | Robbins CS, Bruun B, Zim HS. Birds of North America: a guide to field identification. New York: Golden Guides from St. Martin's Press. | Peterson, RT. Peterson field guide to birds of North America. New York: Houghton Mifflin Harcourt. | Cramp S. Handbook of the birds of Europe, the Middle East, North Africa: the birds of the Western Palearctic. Oxford, UK: Oxford University Press; 1983
Date Digital 30 May 2017
File Type image/jpeg
Hardware / Software Epson - sheet feed