The Galapagos Islands, 2006 & 2008

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A male large ground finch (Geospiza magnirostris). Santa Cruz Island.  This species has the largest beak of all the Galapagos finches. The ground finches feed on the ground, mainly on seeds, with the larger beaks adapted to larger seeds.
Copyright © 2006 John Van de Graaff

A male large ground finch (Geospiza fortis). Santa Cruz Island. This species has the largest beak of all the Galapagos finches. The ground finches feed on the ground, mainly on seeds, with the larger beaks adapted to larger seeds.

Bird Photographs by John Van de Graaff