Sharp-beaked ground finch Ground finches Crushing bills Seed eaters Small ground finch Ground finches Crushing bills Seed eaters Medium ground finch Ground finches Crushing bills Seed eaters Large ...
The Grants have focused their research on the medium ground finch, Geospiza fortis, on the small island of Daphne Major. Daphne Major serves as an ideal site for research because the finches have ...
one of which was the medium ground finch (G. fortis) that fed on small seeds. When severe drought struck the island in 1977 and small seeds became scarce, the medium finches were forced to switch ...
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