UID
Digital Object Type Rare birds documentation form
Content DM Link https://n2t.net/ark:/87292/w9x05xg1h
Type Text
Description Records Committee review for a Mountain Bluebird at Big Sioux River in Western Sioux County in Sioux County, IA on April 7, 1979. Includes a record review document with votes, two articles in Iowa Bird Life, and a documentation form submitted to the committee.
Related Genres Administrative records Clippings (information artifacts) Field notes
Sort Date 1979-04-07 - 1994-02-04
People / Organizations
Time 10:30 AM
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Collection Iowa Ornithologists' Union | MS 166
Box 13
Folder 5
Contributing Institution Iowa State University Library Special Collections and University Archives
Creator / Author Van Dyk, John, 1936-
Contributors Iowa Ornithologists' Union Records Committee
Topics Bird watching Ornithology Ornithology--Societies, etc
Birds Mountain Bluebird
Locations Garfield Township
Map
Verbatim Locality Along dirt road through dry hilly fields bordering the Big Sioux River in extreme western Sioux Co., appoximately 1 1/2 miles south-east of Hudson, S.D., and approximately 2 1/2 miles north of junction of Big Sioux and Rock Rivers.
Location Remarks The documentation forms do not include georeferences
Habitat Area of open dry rolling hills between Big Sioux and Rock Rivers.
Extent 3 pages
Language(s) eng
Bibliographic Citation
Information Withheld
Individual Count 1
Occurrence Remarks The documentation form by John Van Dyk is the earliest and the one that forms the basis of this record. Another observer was Mike Van Dyk. | Elimination of similar species: The blue of Eastern and Western Bluebird is much deeper than of this bird. Both these species show reddish or rusty on breast, and both exhibit a distinctive hunched position. There is no possibility of confusion with Blue Grosbeak (which occurs in our area in summer): its large conical beak and blue underparts exclude it. The Indigo Bunting is dark blue all over and has a sparrow-like bill. | The original documentation form event lasted from 10:30:00/11:00:00.
Occurrence Status present
Field Number 1993-GB
Event Remarks Viewing Conditions: We walked to within 30 feet of the bird, then followed it slowly and carefully with the car, coming to within 25 feet. We used 8x40 binoculars.
Supporting Documentation Peterson RT. Field guide to birds of Eastern and Central North America. New York: Houghton Mifflin Harcourt.
Date Digital 12 Jun 2017
File Type image/jpeg
Hardware / Software Epson - sheet feed