UID
Digital Object Type Rare birds documentation form
Content DM Link https://n2t.net/ark:/87292/w9tq5rg08
Type Text
Description Rare bird documentation form for a Yellow-crowned Night Heron at Saylorville Reservoir dam in Polk County in October 11, 1985.
Related Genres Field notes Forms (documents)
Sort Date 1985-10-11
People / Organizations
Time 5:00 PM
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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 23
Contributing Institution Iowa State University Library Special Collections and University Archives
Creator / Author Dinsmore, Stephen J.
Contributors
Topics Birds--Identification Ornithology Rare birds
Birds Yellow-Crowned Night Heron
Locations Saylorville Dam
Map
Verbatim Locality beaver ponds below the Saylorville Reservoir dam, Polk County.
Location Remarks The documentation forms do not include georeferences
Habitat edge of small pond surrounded by dense Willow thickets
Extent 1 page
Language(s) eng
Bibliographic Citation
Information Withheld
Individual Count 1
Occurrence Remarks The documentation form by Steve Dinsmore is the only one submitted and forms the basis of this record. | Elimination of similar species: The black bill, finer spotting on underparts, darker back with som [sic] gray wash on the tail, bright yellow legs, and legs protruding well beyond the tail eliminate immature Black-crowned Night heron. | The original documentation form event lasted from 17:00:00/18:00:00.
Occurrence Status present
Field Number
Event Remarks Viewing Conditions: Light was excellent with the sun directly behind me and a clear sky. Estimated viewing distance of 50 ft. at closest. I used a B+L 20x spotting scope and Nikon 8x23 Binoculars
Supporting Documentation National Geographic Society. National geographic field guide to the birds of North America. Washington D.C.: National Geographic Society. | Robbins CS, Bruun B, Zim HS. Birds of North America: a guide to field identification. New York: Golden Guides from St. Martin's Press.
Date Digital 20 Nov 2017
File Type image/jpeg
Hardware / Software Epson - sheet feed