Purple Swamphen: Supertramp or superspecies?
10,000 Birds
DECEMBER 28, 2014
The western Mediterranean birds are bluish-purple all over. The sister taxon to the Mediterranean birds occurs on Borneo and the western Indonesian islands. As indicated by the English moniker “black-backed,” these birds have blackish wings and backs. Philippine Swamphen. Black-backed Swamphen.
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