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Issue tracking for MVZ Bird data in the VertNet portal (portal.vertnet.org).
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[MVZ Bird specimens 81048] Dendroica tigrina - date / collector #30

Closed KenBlankenship closed 9 years ago

KenBlankenship commented 9 years ago

I believe there are several likely errors in the data related to this record, and they may simply be a matter of poor handwriting on old tags or ledgers. Though I am not familiar with a "G.J." Rossignol, "G.R. Rossignol" was an active naturalist and field ornithologist in the Savannah area in the first part of the 20th century, having obtained and prepared a number of avian specimens that are in various collections today. I have yet to locate any extant specimens from Georgia older than 1825 (among over 10,000+ so far), so it is much more likely that the year is actually 1918 and the collector was Gilbert R. Rossignol; it was almost certainly collected in Chatham County, but if there is not indication on the tag there is no way to know at this point. Finally, 20 June would be an extremely odd date for a Cape May Warbler to be in Georgia, it being a species whose breeding range is hundreds of miles to our north... perhaps the month is wrong as well?

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You can view the original detail page on VertNet. Here are the original record contents:

Term Value
InstitutionID urn:lsid:biocol.org:col:34777
CollectionID urn:lsid:biocol.org:col:34952
InstitutionCode MVZ
CollectionCode Bird specimens
BasisOfRecord PreservedSpecimen
DynamicProperties sex=unknown ; age=u ad.
OccurrenceID urn:occurrence:Arctos:MVZ:Bird:81048:485265
CatalogNumber 81048
OccurrenceRemarks COLL. OF ARTHUR H. HOWELL.
RecordedBy Collector(s): G. J. Rossignol
IndividualID http://arctos.database.museum/guid/MVZ:Bird:81048
IndividualCount 1
Sex unknown
EstablishmentMeans wild caught
Preparations study skin
PreviousIdentifications Dendroica tigrina (accepted ID) identified by Museum of Vertebrate Zoology, University of California, Berkeley on 1999-01-27; method: legacy
EventDate 1818-06-20/1999-02-04
EventTime 1818-06-20/1999-02-04
VerbatimEventDate not recorded
HigherGeography North America, United States, Georgia
Continent North America
Country United States
StateProvince Georgia
Locality no specific locality recorded
VerbatimLocality no specific locality recorded
LocationAccordingTo Ashley Roddy
VerbatimCoordinates 32.6875/-83.3467
VerbatimCoordinateSystem decimal degrees
DecimalLatitude 32.6875
DecimalLongitude -83.3467
GeodeticDatum North American Datum 1927
CoordinateUncertaintyInMeters 256690.368
GeoreferencedBy Ashley Roddy
GeoreferencedDate 2003-03-31 00:00:00.0
GeoreferenceProtocol MaNIS georeferencing guidelines
GeoreferenceSources Topozone.com gazetteer
GeoreferenceVerificationStatus unverified
IdentifiedBy Museum of Vertebrate Zoology, University of California, Berkeley
DateIdentified 1999-01-27
IdentificationVerificationStatus legacy
IdentificationQualifier A
ScientificName Dendroica tigrina
HigherClassification Animalia; Chordata; Aves; Passeriformes; Parulidae;
Kingdom Animalia
Phylum Chordata
Class Aves
Order Passeriformes
Family Parulidae
Genus Dendroica
SpecificEpithet tigrina
NomenclaturalCode ICZN
ccicero commented 9 years ago

I checked the specimen and there are two labels. The original label is from the collection of A. H. Howell and gives the collector as "G. T. Rossignol" whereas the second MVZ label lists the name as "G. J. Rossignol." Neither tag shows the name as "G. R. Rossignol." The only locality that's given is "Georgia" and there is no date. Thus, the range of dates given in Arctos and VertNet is based on our formula for unknown dates (date of earliest MVZ specimen to date when our data were migrated to a new system).

KenBlankenship commented 9 years ago

Cool. Thanks! KB

----- Original Message -----

From: "Museum of Vertebrate Zoology" notifications@github.com To: "mvz-vertnet/mvz-bird" mvz-bird@noreply.github.com Cc: "KenBlankenship" kenhblankenship@comcast.net Sent: Tuesday, June 23, 2015 9:37:12 PM Subject: Re: [mvz-bird] [MVZ Bird specimens 81048] Dendroica tigrina - date / collector (#30)

I checked the specimen and there are two labels. The original label is from the collection of A. H. Howell and gives the collector as "G. T. Rossignol" whereas the second MVZ label lists the name as "G. J. Rossignol." Neither tag shows the name as "G. R. Rossignol." The only locality that's given is "Georgia" and there is no date. Thus, the range of dates given in Arctos and VertNet is based on our formula for unknown dates (date of earliest MVZ specimen to date when our data were migrated to a new system).

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ccicero commented 9 years ago

I have updated the record in Arctos to reflect the uncertainty in collector.