UID |
|
Digital Object Type |
Rare birds documentation form |
Content DM Link |
https://n2t.net/ark:/87292/w9cv4bt8m |
Type |
Text |
Description |
Rare bird documentation form for a Prairie Falcon at St. Johns Township in Harrison County, IA on October 10, 1981. |
Related Genres |
Field notes |
Sort Date |
1981-10-10 - 1981-10-11 |
People / Organizations |
|
Time |
3:50 PM |
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 |
35 |
Contributing Institution |
Iowa State University Library Special Collections and University Archives |
Creator / Author |
Robinson, John C., 1959- |
Contributors |
Schaufenbuel, Joseph P. |
Topics |
Birds--Identification Ornithology Rare birds |
Birds |
Prairie Falcon |
Locations |
Township of Saint John |
Map |
|
Verbatim Locality |
1 mile west of Missouri Valley, Iowa; Harrison Co., St. Johns Twsp., Sect. 17. |
Location Remarks |
The documentation forms do not include georeferences |
Habitat |
Open agricultural land; few trees; Winter wheat field (growth of winter what less than 4 inches tall). |
Extent |
1 page |
Language(s) |
eng |
Bibliographic Citation |
|
Information Withheld |
|
Individual Count |
1 |
Occurrence Remarks |
The documentation form by John C. Robinson is the only one submitted and forms the basis of this record. Other observers include Joe Schaufenbuel. | Elimination of similar species: Peregrine Falcon: this species lacks black axillars and white superciliary stripe; moustache is thicker on this species. Merlin: this species is much smaller and lacks moustache and black facial pattern. Gyrfalcon: this species is larger and lacks superciliary stripe and black axillars. | The original documentation form event lasted from 15:50:00/16:50:00. |
Occurrence Status |
present |
Field Number |
|
Event Remarks |
Viewing Conditions: Distance: Originally 45 yards; after it flew 80 yards. (estimated by eyesight). Optical equipment: Pentax 10x50 Binoculars and Bushnell Spacemaster Telescope with 20x eyepiece and zoom lens. Light: Lighting conditions good; sun was to the right (to the West) of myself and the bird. |
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 |
08 Dec 2017 |
File Type |
image/jpeg |
Hardware / Software |
Epson - sheet feed |