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South America and the Galapagos Islands
South American and Galapagos FinchesPedigree
Common Ancestor
South American Finch
Medium Ground Finch:Crushing beak eats eggs from giant tortoises and land iguanas, also eats seeds and insects.
Small Ground Finch: eats softer seeds and insects
Large Ground finch:Eats harder seeds, insects, and eggs.
Large Ground or Cactus Finch:Uses longer beak to reach past thorns and into flowers of eat cactus plants
Wolf or Vampire Ground Finch: Due to limited food sources this finch uses its’
sharp beak to peck at birds until they bleed and eat the blood for food!
Isabella Island: Dry with scrub and cactus
Wolf Island: lots of birds!
Santa Cruz Island: Varied plant and animal life.
San Cristobal Island:
Geographic Isolation
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