| UID |
|
| Digital Object Type |
Rare birds documentation form |
| Content DM Link |
https://n2t.net/ark:/87292/w91v5bg8d |
| Type |
Text |
| Description |
Records Committee review for a Gyrfalcon at Kettleson Hogsback in Dickinson County, IA on September 25, 1993. Includes a record review document with votes, an article in Iowa Bird Life, and five documentation forms submitted to the committee. |
| Related Genres |
Administrative records Clippings (information artifacts) Field notes |
| Sort Date |
1993-09-25 - 1995-07-08 |
| People / Organizations |
|
| Time |
3:30 PM |
| Rights |
This complex item has mixed rights protection. Portions in which Iowa State University is the copyright holder are made available for non-commercial use, including sharing and adapting the work. No permission is required for non-commercial use to these portions so long as attribution is provided. All other uses of these portions, including commercial, require permission from the Iowa State University Library Special Collections and University Archives (archives@iastate.edu). (CC BY-NC 4.0 International). Portions in which Iowa State University is not the copyright holder are believed to be under copyright, but 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 |
9 |
| Folder |
4 |
| Contributing Institution |
Iowa State University Library Special Collections and University Archives |
| Creator / Author |
Schantz, Tim |
| Contributors |
Silcock, W. Ross Clark, Jane Jackson, Maridel Sinclair, Jim Iowa Ornithologists' Union Records Committee |
| Topics |
Bird watching Ornithology Ornithology--Societies, etc |
| Birds |
Gyrfalcon |
| Locations |
Kettleson Hogsback Wildlife Management Area |
| Map |
|
| Verbatim Locality |
East of Kettleson Hogback entrance, Dickenson [sic] Co., Iowa |
| Location Remarks |
The documentation forms do not include georeferences |
| Habitat |
|
| Extent |
12 pages |
| Language(s) |
eng |
| Bibliographic Citation |
|
| Information Withheld |
|
| Individual Count |
1 |
| Occurrence Remarks |
The documentation form by Tim Schantz is the earliest and the one that forms the basis of this record. Other documentation forms by Maridel Jackson, Ross Silcock, Jane R. Clark, and Jim Sinclair were submitted later. Other observers include John Cecil, Eugene Armstrong, and Eloise Armstrong. | Elimination of similar species: Northern Goshawk- Although Goshawks have been known to show pointed wings, they are never as pointed as a Falcon's. I have seen many Northern Goshawks and jizz alone would rule this one out. I saw no barring on the tail. One of the prime field marks on a Goshawk are the bright white undertail coverts which this bird did not have. The bird in question also lacked a dark crown. Peregrine Falcon- Size. No dark helmet. Jizz (mentioned above). The bird lacked overall contrast of a Peregrine Falcon. Juveniles would be brown. Prairie Falcon- Color. Prairies are a brown bird in all plumages. The underwing was uniform with no black axillaries. Habitat. Prairies feed almost exclusively on small mammals. | The original documentation form event occurred around 15:30:00. |
| Occurrence Status |
present |
| Field Number |
1993-22 |
| Event Remarks |
Distance: as close as approximately 125 yards at one point [...] When I saw the bird through binoculars I immediately recognized the bird as a Falcon. [...] In good light [...] Optics: Zeiss 10 X 40B |
| Supporting Documentation |
Green J & Janssen R. Minnesota birds: where, when, and how many. Minneapolis, MN: University of Minnesota. |
| Date Digital |
18 May 2017 |
| File Type |
image/jpeg |
| Hardware / Software |
Epson - sheet feed/flatbed |
