UID
Digital Object Type Rare birds documentation form
Content DM Link https://n2t.net/ark:/87292/w9k649w30
Type Text
Description Records Committee review for a Vermilion Flycatcher at Sioux Center in Sioux County, IA on May 6, 1983. Includes a record review document with votes, a summary of the review, an article in Iowa Bird Life, and two documentation forms submitted to the committee.
Related Genres Administrative records Clippings (information artifacts) Field notes
Sort Date 1983-05-06 - 1993-09-01
People / Organizations
Time 2:30 PM
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Collection Iowa Ornithologists' Union | MS 166
Box 12
Folder 38
Contributing Institution Iowa State University Library Special Collections and University Archives
Creator / Author Van Dyk, John, 1936-
Contributors Brand, Gordon James Iowa Ornithologists' Union Records Committee
Topics Bird watching Ornithology Ornithology--Societies, etc
Birds Vermilion Flycatcher
Locations Sioux Center
Map
Verbatim Locality In approximately the center of Harry Kuhl's farm, located at the east end of Sioux Center, Sioux Co., Iowa. The specific area in which we found the bird consists of wet bottomlands with creek and tall willows and many broken branches, snags, and stumps. The bird used snags and branches near and over the creek as perch. The lighting, provided by partly cloudy skies which gradually clouded over completely as the afternoon wore on, was excellent, as the sun was largely behind us. We observed the bird from distances varying between 20 feet and 60 yards.
Location Remarks The documentation forms do not include georeferences
Habitat [...] a section of tall trees, extensive shrub area, open fields, and in the center, surrounded by pasture land and agricultural fields, an area of wet bottomlands transversed by a creek (beaver occurs here) through a fairly open stand of tall black willows; broken limbs and snags are scattered throughout the area (see enclosed photographs).
Extent 7 pages
Language(s) eng
Bibliographic Citation
Information Withheld
Individual Count 1
Occurrence Remarks The documentation form by John Van Dyk forms the basis of this record. Another documentation form by Gordon Brown was submitted. Other observers include Ken Venhuizen, Mike Van Dyk, Jan Van Dyk, and John Kevin Van Dyk. | Elimination of similar species: This category hardly applies since a male Vermilion Flycatcher is quite unmistakable. If there is any bird with which it might possibly be confused -- perhaps at great distance -- it would be a Scarlet Tanager. However, our bird was much smaller, had no red on its back, had black patchy line through its eye, had a thin dark flycatcher bill instead of a light-colored tanager bill, and behaved like a flycatcher. | The original documentation form event lasted from 14:30:00/17:00:00 on May 6, 1983 and 06:30:00/07:00:00 on May 7, 1983.
Occurrence Status present
Field Number 1983-08
Event Remarks Viewing Conditions: Optical equipment: Biboculars [sic] used by various observers ranged from 7x35 to 8x40 (my own and my son's). But at times the bird was close enough to see clearly and distinctly without optical equipment. My brother Jan took pictures with a 35mm Nikon, Gordon Brand used Olympus OMI, 200 mm lens, f/stop 3.5.
Supporting Documentation
Date Digital 08 Jun 2017
File Type image/jpeg
Hardware / Software Epson - sheet feed