Both the Hawaiian and Marquesas islands have the highest diversity of land snails in the world, after Cuba. It is believed that iguanas got to Fiji, not as adults rafting on fallen logs. But iguanas will lay their eggs in the roots of trees. Storms would rip out the entire tree, and they would float across the Pacific Ocean. Reptile eggs are very resilient to saltwater. So invertebrates and reptiles have a very rich natural history on islands in the Pacific Ocean.
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