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 |