UID
Digital Object Type Rare birds documentation form
Content DM Link https://n2t.net/ark:/87292/w9348gh7j
Type Text
Description Rare bird documentation form for two Trumpeter Swans at Big Marsh in Butler County, IA on March 22, 1997.
Related Genres Field notes Forms (documents)
Sort Date 1997-03-22 - 1997-04-06
People / Organizations
Time 4:30 PM
Rights This Item is protected by copyright and/or related rights. However, for this Item, 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 32
Folder 30
Contributing Institution Iowa State University Library Special Collections and University Archives
Creator / Author Proescholdt, Mark
Contributors Dinsmore, Stephen J. Proescholdt, Beth
Topics Birds--Identification Ornithology Rare birds
Birds Trumpeter Swan
Locations Big Marsh Wildlife Area
Map
Verbatim Locality Big marsh - (Butler County)
Location Remarks The documentation forms do not include georeferences
Habitat Huge marshy area
Extent 1 page
Language(s) eng
Bibliographic Citation
Information Withheld
Individual Count 2
Occurrence Remarks The documentation form by Mark Proescholdt is the only one submitted and forms the basis of this record. Other observers include Beth Proescholdt and Steve Dinsmore. | Elimination of similar species: A Tundra Swan immature is much whiter by late winter than immature trumpeters. Tundra Swans have slightly concave bills and the black of the bills do not go completely to the eye in a triangle. | The original documentation form event lasted from 16:30:00/16:45:00.
Occurrence Status present
Field Number
Event Remarks Viewing Conditions: Cloudy, good viewing, distance estimated at 100 yards, 8 x 30 binocs and Steve's KOWA scope
Supporting Documentation National Geographic Society. National geographic field guide to the birds of North America. Washington D.C.: National Geographic Society.
Date Digital 20 Nov 2017
File Type image/jpeg
Hardware / Software Epson - sheet feed