UID
Digital Object Type Rare birds documentation form
Content DM Link https://n2t.net/ark:/87292/w9599z46n
Type Text
Description Records Committee review for an Iceland Gull at Lock and Dam 15 near Davenport in Scott County, IA on March 9, 1990. Includes a record review document with votes and a documentation form submitted to the committee.
Related Genres Administrative records Field notes
Sort Date 1990-03-09 - 1993-07-17
People / Organizations
Time 11:00 AM
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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 Iowa Ornithologists' Union Records Committee
Topics Bird watching Ornithology Ornithology--Societies, etc
Birds Iceland Gull
Locations Lock and Dam 15
Map
Verbatim Locality Lock 15 - just upstream - R.I. Co. Il. + Scott Co. IA.
Location Remarks The documentation forms do not include georeferences
Habitat Ice cake floating on Miss. R. - along shore just upstream from lock - urban area around River.
Extent 5 pages
Language(s) eng
Bibliographic Citation
Information Withheld
Individual Count 1
Occurrence Remarks The documentation form by Peter C. Petersen is the only one submitted and forms the basis of this record. | Elimination of similar species: Glaucous Gull - bird was too small, bill entirely black. Thayer's Gull - uniform color on entire wing. | The original documentation form event lasted from 11:00:00/11:10:00.
Occurrence Status present
Field Number 1990-13
Event Remarks Viewing Conditions: Optical equipment: 10x40 Zeiss binocs, 30x Swift scope on tripod Distance: 75' est. Lighting: sun behind observer
Supporting Documentation National Geographic Society. National geographic field guide to the birds of North America. Washington D.C.: National Geographic Society. | Harrison P. Seabirds: an identification guide. New York: Houghton Mifflin Harcourt. | Grant, PJ. Gulls: a guide to identification. Cambridge, MA: Academic Press.
Date Digital 30 May 2017
File Type image/jpeg
Hardware / Software Epson - sheet feed