UID
Digital Object Type Rare birds documentation form
Content DM Link https://n2t.net/ark:/87292/w99882q61
Type Text
Description Records Committee review for a California Gull at Credit Island in Scott County, IA on November 23, 1989. Includes a record review document with votes, an article in Iowa Bird Life, correspondence about the sighting from Louise Augustine to Carl Bendorf, and three documentation forms submitted to the committee.
Related Genres Administrative records Clippings (information artifacts) Correspondence Field notes
Sort Date 1989-11-23 - 1993-07-21
People / Organizations
Time 12:00 PM
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Data License http://creativecommons.org/publicdomain/zero/1.0
Collection Iowa Ornithologists' Union | MS 166
Box 11
Folder 1
Contributing Institution Iowa State University Library Special Collections and University Archives
Creator / Author Augustine, Louise
Contributors Bendorf, Carl J. Petersen, Peter C. Iowa Ornithologists' Union Records Committee Fuller, James L
Topics Bird watching Ornithology Ornithology--Societies, etc
Birds California Gull
Locations Credit Island
Map
Verbatim Locality Credit Island - Davenport, Iowa - Scott County
Location Remarks The documentation forms do not include georeferences
Habitat This is an unfamiliar Area for me - I have never birded there before - The Place Credit Island - Backwater of Mississippi River - There was some ICE and open water - Many Gulls were in this Backwater area - on ice and in water. Probably around 1,500 Gulls -
Extent 9 pages
Language(s) eng
Bibliographic Citation
Information Withheld
Individual Count 1
Occurrence Remarks The documentation form by Louise Augustine forms the basis of this record. Other documentation forms by Peter C. Petersen and Jim Fuller were submitted. Other observers include Randy Pinkston, Mary Lou Petersen, Jerome Augustine, David Augustine, and Julie Augustine. | Elimination of similar species: Herring Gull - darker mantle - Dark eye - Leg Color - ashy-green gray not Pink - smaller size - slimmer build Ring-billed Gull - mantle too dark - dark eye - Bill had only a spot Leg Color not yellow - This bird larger than Ring-billed gulls - | The original documentation form event lasted from 12:00:00/13:00:00.
Occurrence Status present
Field Number 1989-40
Event Remarks Viewing Conditions: Optical Equipment: Questar - 50-80 power - Zeiss 10x40 binoculars Distance: Several hundred feet - not more than 300 ft. Lighting and weather: Lighting Good - at Back - temperature - Low enough for ice
Supporting Documentation National Geographic Society. National geographic field guide to the birds of North America. Washington D.C.: National Geographic Society.
Date Digital 28 May 2017
File Type image/jpeg
Hardware / Software Epson - sheet feed/flatbed