Galápagos tortoise
These islands are volcanic in origin and were never attached to any continent. Galapagos Wildlife arrived here in one of three ways: flying, floating or swimming. Where in most environments larger mammals are normally the predators at the top of the food chain, these animals were unable to survive the journey. Thus the giant Galápagos tortoise became the largest land animal on the ig the endemic wildlife that inhabit the islands that a young Charles Darwin developed his theory of evolution.