| UID |
|
| Digital Object Type |
Rare birds documentation form |
| Content DM Link |
https://n2t.net/ark:/87292/w97659j1t |
| Type |
Text |
| Description |
Records Committee review for a Parasitic Jaeger at Saylorville Reservoir in Polk County, IA on October 14, 1985. Includes a record review document with votes, an article of Iowa Bird Life, and six documentation forms submitted to the committee. |
| Related Genres |
Administrative records Clippings (information artifacts) Field notes |
| Sort Date |
1985-10-14 - 1993-09-03 |
| People / Organizations |
|
| Time |
9:15 AM |
| 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 |
10 |
| Folder |
16 |
| Contributing Institution |
Iowa State University Library Special Collections and University Archives |
| Creator / Author |
Myers, Robert K. |
| Contributors |
Dinsmore, Stephen J. Kent, Thomas H. (Thomas Hugh), 1934- Bendorf, Carl J. Engebretsen, Bery Moore, Francis L. Iowa Ornithologists' Union Records Committee |
| Topics |
Bird watching Ornithology Ornithology--Societies, etc |
| Birds |
Parasitic Jaeger |
| Locations |
Saylorville Lake |
| Map |
|
| Verbatim Locality |
Saylorville Reservoir, Polk Co., Iowa |
| Location Remarks |
The documentation forms do not include georeferences |
| Habitat |
General: Saylorville Reservoir- large impoundment on DesMoines [sic] River. Specific: Always out in main deeper part of lake. |
| Extent |
11 pages |
| Language(s) |
eng |
| Bibliographic Citation |
|
| Information Withheld |
|
| Individual Count |
1 |
| Occurrence Remarks |
The documentation form by Robert K. Myers is the one that forms the basis of this record. Other documentation forms by Stephen Dinsmore, Francis L. Moore, Carl J. Bendorf, Thomas H. Kent, and Bery Engebretsen were submitted. Other observers include Dennis Thompson, Eloise Armstrong, Eugene Armstrong, Tom Staudt, and many unidentified observers. | Elimination of similar species: Pomarine Jaeger and Long-tailed Jaeger are possible. See explanation on back as to why I believe this was Parasitic Jaeger. [...] A juvenile dark phase Pomarine would also show much white in the base of primaries (top and bottom) and the tail wouldn't have any long streamers. The Pomarine should however be a larger bird (Herring Gull size). The Pomarine's flight should be slower and more labored than this bird was. A juvenile dark phase Long-tailed Jaeger would not show as much white on dorsal side of primaries as this bird did and the flight pattern should be almost tern-like which it was not. Long-tailed Jaegers should also appear to be more grayish than the bird in question- even in dark phase. Further note on size-- As the jaeger rested on the water, double-crested cormorants would sometimes swim into the field of view and they appeared to be at least one-third larger than the jaeger. A pied-billed grebe also swam near once and the jaeger was probably 1/4 again longer than the grebe. | The original documentation form event lasted from 09:15:00/09:40:00 and seen several times after that for a total of sixty minutes. |
| Occurrence Status |
present |
| Field Number |
1985-19 |
| Event Remarks |
Viewing Conditions: Distance: Closest = 100 -150 yds. (eyeball) Other sightings were up to one-third mile. Optical Equipment: 25 and 40X scope Light: Day was overcast and we saw bird from several angles - fairly good light. |
| Supporting Documentation |
|
| Date Digital |
24 May 2017 |
| File Type |
image/jpeg |
| Hardware / Software |
Epson - sheet feed |
