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Determining age and sex of Oma'o (Myadestes obscurus)
Entry ID: brdpier0008

Abstract: Methods to determine the age and sex of 'Oma'o (Myadestes obscurus) were
developed on the basis of 66 museum speciments and 149 live 'Oma'o captured in
mist nets on the island of Hawaii. 'Oma'o in juvenile plumage are heavily
spotted with scalloped greater coverts and tertials and are easily
distinguished from adults. Birds in their first prebasic plumage usually
retain one or more scallped wing ... View entire text

Purpose: To determine the age and sex of 'Oma'o (Myadestes obscurus).
Geographic Coverage
Spatial coordinates   
  N: 19.0   S: 19.0   E: -155.0   W: -155.0

Data Set Citation
Dataset Originator/Creator: Steven G. Fancy, James D. Jacobi, Thane K. Pratt, and C.J. Ralph
Dataset Title: Determining age and sex of Oma'o (Myadestes obscurus)
Dataset Release Date: 1994-05
Dataset Release Place: Hawaii National Park, Hawaii
Dataset Publisher: National Biological Survey, Hawaii Field Station
Temporal Coverage
Start Date: 1976-01-01
Stop Date: 1982-12-31
ISO Topic Category
Access Constraints none
Use Constraints none
Data Set Progress
Originating Center
Data Center
Pacific Island Ecosystems Research Center, Biological Resources Division, U.S. Geological Survey, U.S. Department of the Interior Supplemental Info
Data Center URL:

Data Center Personnel
Phone: 808-985-6077
Fax: 808-967-8568
Email: ron_kerner at
Contact Address:
Biological Resources Division
Pacific Island Ecosystems Research Center
U.S. Geological Survey
Kilauea Field Station
P.O. Box 44
City: Hawaii National Park
Province or State: Hawaii
Postal Code: 96718
Country: USA
Phone: (970) 225-3571
Email: steve_fancy at
Contact Address:
National Park Service
Natural Resource Information Division
1201 Oak Ridge Drive, Suite 150
City: Fort Collins
Province or State: CO
Postal Code: 80525-5589
Country: USA
Steven G. Fancy, James D. Jacobi, Thane K. Pratt, and C.J. Ralph. 1994.
Determining age and sex of 'Omao (Myadestes obscurus), 'Elepaio - Journal of
the Hawaii Audubon Society, 54(5), Hawaii Press, Honolulu, HI
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Creation and Review Dates
Last DIF Revision Date: 2017-08-23