UID
Digital Object Type Rare birds documentation form
Content DM Link https://n2t.net/ark:/87292/w9r49gb82
Type Text
Description Rare bird documentation form for a Lesser Black-backed Gull at Red Rock Dam in Marion County, IA on December 27, 1997.
Related Genres Field notes
Sort Date 1997-12-27 - 1997-12-30
People / Organizations
Time 10:20 AM
Rights This Item is protected by copyright and/or related rights. However, for this Item, either (a) no rights-holder(s) have been identified or (b) one or more rights-holder(s) have been identified but none have been located. If you have any information that can contribute to identifying or locating the rights-holder(s) please notify the Iowa State University Library Digital Initiatives Program (digital@iastate.edu). (Rightsstatements.org InC-RUU 1.0). The original object is available at the Iowa State University Library Special Collections and University Archives (archives@iastate.edu).
Data Access Rights http://vertnet.org/resources/norms.html
Data License http://creativecommons.org/publicdomain/zero/1.0
Collection Iowa Ornithologists' Union | MS 166
Box 34
Folder 36
Contributing Institution Iowa State University Library Special Collections and University Archives
Creator / Author Proescholdt, Mark
Contributors Fye, Dale Fye, Helen Miller, Pat
Topics Birds--Identification Ornithology Rare birds
Birds Lesser Black-backed Gull
Locations Red Rock Dam
Map
Verbatim Locality Below dam at Red Rock - (Marion County)
Location Remarks The documentation forms do not include georeferences
Habitat Gravel Bar below dam and churning water
Extent 1 page
Language(s) eng
Bibliographic Citation
Information Withheld
Individual Count 1
Occurrence Remarks The documentation form by Mark Proescholdt is the only one submitted and forms the basis of this record. Other observers include Dale Fye, Helen Fye, Pat Miller, and many others. | Elimination of similar species: The other black mantled gulls (Great Black-backed, Slaty-backed, Western, and Yellow-footed) are all much larger than this gull. | The original documentation form event lasted from approximately 10:20:00/11:10:00 and 13:30:00/14:15:00.
Occurrence Status present
Field Number
Event Remarks Viewing Conditions: Sunny in a.m. with sun behind me or at my side, partly cloudy in p.m. 50-60 yards estimated, 8x30 binocs, 22x scope, Swarovski scope
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. | Harrison P. Seabirds, an identification guide. Boston, MA: Houghton Mifflin Company.
Date Digital 15 Dec 2017
File Type image/jpeg
Hardware / Software Epson - sheet feed