UID
Digital Object Type Rare birds documentation form
Content DM Link https://n2t.net/ark:/87292/w9sq8qk1h
Type Text
Description Rare bird documentation form for two Eared Grebes at Rathbun Dam in Appanoose County, IA on December 15, 1990.
Related Genres Field notes
Sort Date 1990-12-15 - 1990-12-19
People / Organizations
Time 10:00 AM
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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 32
Folder 14
Contributing Institution Iowa State University Library Special Collections and University Archives
Creator / Author Cummins, Raymond L.
Contributors Egeland, Paul Egeland, Deb
Topics Birds--Identification Ornithology Rare birds
Birds Eared Grebe
Locations Rathbun Dam
Map
Verbatim Locality Rathbun Dam Appanoose Co.
Location Remarks The documentation forms do not include georeferences
Habitat Rocky shore face of dam
Extent 1 page
Language(s) eng
Bibliographic Citation
Information Withheld
Individual Count 2
Occurrence Remarks The documentation form by Ray Cummins is the only one submitted and forms the basis of this record. Other observers include Paul Egeland, Deb Egeland, Marjorie Heusinkveld, Bill Heusinkveld, and Mark Hoffman. | Elimination of similar species: See above. I was convinced it would be a Horned Grebe, but all the field marks including the suttle [sic] difference in size an [sic] shape supported Eared Grebe forcing me to change my mind. | The original documentation form event lasted from 10:00:00/10:05:00.
Occurrence Status present
Field Number
Event Remarks Viewing Conditions: 50 yds with a Kowa 20x to 60x Spotting Scope. Took pictures, but dought [sic] if they will be diagnostic because of the equipment.
Supporting Documentation
Date Digital 17 Nov 2017
File Type image/jpeg
Hardware / Software Epson - sheet feed/flatbed