The Galapagos Islands, 2006 & 2008

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A breeding male small ground finch (Geospiza fuliginosa), Santa Cruz Island.  Juvenile and female ground finches have streaky brown plumage, while males are mostly black, and their beaks (usually orange) turn dark in breeding season.
Copyright © 2006 John Van de Graaff

A breeding male small ground finch (Geospiza fuliginosa), Santa Cruz Island. Juvenile and female ground finches have streaky brown plumage, while males are mostly black, and their beaks (usually orange) turn dark in breeding season.

Bird Photographs by John Van de Graaff