Please
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for specific data and File Numbers
for photos:
Black Phoebe, Sayornis nigricans <#632> -- J. J. Audubon |
Black Phoebe, Sayornis
nigricans <#342>
-- H. Clarke |
Black Phoebe, Sayornis
nigricans <#610>
-- J. Farrand, Jr. |
Black Phoebe, Sayornis
nigricans <#78>
-- R. Leung |
Say’s Phoebe, Sayornis saya <#209> -- J. J.
Audubon |
Say’s Phoebe, Sayornis saya <#415> -- A. Brooks |