UID
Digital Object Type Rare birds documentation form
Content DM Link https://n2t.net/ark:/87292/w9js9h977
Type Text
Description Rare bird documentation form for a Northern Goshawk at Red Rock Reservoir in Marion County, IA on February 6, 1981.
Related Genres Field notes
Sort Date 1981-02-06
People / Organizations
Time 9:30 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 33
Folder 25
Contributing Institution Iowa State University Library Special Collections and University Archives
Creator / Author Thornburg, Robert E.
Contributors
Topics Birds--Identification Ornithology Rare birds
Birds Northern Goshawk
Locations Lake Red Rock
Map
Verbatim Locality Red Rock Res. - south end of Robert's Creek Park
Location Remarks The documentation forms do not include georeferences
Habitat a very open area between a bay of Red Rock and Robert's Creek Lake - grass - 6-8" high
Extent 2 pages
Language(s) eng
Bibliographic Citation
Information Withheld
Individual Count 1
Occurrence Remarks The documentation form by Robert E. Thornburg is the only one submitted and forms the basis of this record. | Elimination of similar species: The size and head markings eliminated Cooper's and Sharp-shinned Hawks. Female Marsh Hawk by head and lack of Rump Patch (over). Imm. Red-tailed by the heavy streaks over the entire breast, the much longer tail and head markings. | The original documentation form event lasted from 09:30:00/09:40:00.
Occurrence Status present
Field Number
Event Remarks Viewing Conditions: Distance: 50 FEET PACED. Optical equipment: 7x50 binoculars. Light: good light. sun was behind me and to my left,
Supporting Documentation 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.
Date Digital 01 Dec 2017
File Type image/jpeg
Hardware / Software Epson - sheet feed