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  4. Black Oystercatcher Morphology and Primary Feather Lengths in Alaska and British Columbia, 2019-2022

Black Oystercatcher Morphology and Primary Feather Lengths in Alaska and British Columbia, 2019-2022

Dates

Publication Date
Start Date
2019-02-28
End Date
2022-07-15

Citation

Roodenrijs, H., Green, D., Esler, D., 2024. Black Oystercatcher morphology and primary feather lengths in Alaska and British Columbia, 2019-2022: U.S. Geological Survey data release, https://doi.org/10.5066/P1KWBDRY.

Summary

These data provide morphological measurements and primary feather length measurements of Black Oystercatcher (Haematopus bachmani) captured at several sites across Alaska and British Columbia between 2019 and 2022. The first table contains mass and morphological measurements of body and bill size. The second table provides lengths of individual primary feathers measured from folded wing photographs using a computer software. These feather lengths are to be used in a size-constrained components analysis to calculate wing shape such as pointedness and convexity.

Contacts

Point of Contact :
David Green
Originator :
Hannah Roodenrijs, David Green, Daniel N Esler
Metadata Contact :
Alaska Science Center
Publisher :
Alaska Science Center
Distributor :
U.S. Geological Survey - ScienceBase
SDC Data Owner :
Alaska Science Center
USGS Mission Area :
Ecosystems

Attached Files

Click on title to download individual files attached to this item.

BLOY_morphologyPrimaryLengths_AlaskaBC_metadata.xml
Original FGDC Metadata
View 		47.98 KB application/fgdc+xml
BLOY_morphology_AlaskaBC.csv 33.32 KB text/csv
BLOY_morphology_analysis.R 7.47 KB text/x-rsrc
BLOY_wing_shape_analysis.R 11.51 KB text/x-rsrc
BLOY_wingImages.zip 300.62 MB application/zip
BLOY_wingMeasurements_AlaskaBC.csv 17.95 KB text/csv
BLOY_morphologyPrimaryLengths_AlaskaBC_metadata.html 106.5 KB text/html

Purpose

These data were collected as part of a broader project studying Black Oystercatcher morphology, movement, and diet across Alaska, USA and British Columbia, Canada. Photographs of wings were taken in the field of folded wings on a board with a ruler for scale. The primary length measurements were collected using computer software analysis from wing photos.

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  • Alaska Science Center (ASC)

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Identifiers

Type Scheme Key
DOI https://www.sciencebase.gov/vocab/category/item/identifier doi:10.5066/P1KWBDRY

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