Marine Iguanas – Unique to the Galapagos

  FAMOUS AS THE ONLY LIZARDS THAT SWIM IN THE OCEANS, marine iguanas (Amblyrhynchus cristatus) are found in only one place: the Galapagos Archipelago in the eastern Pacific off Ecuador. There are also three species of non-swimming land iguanas in the Galapagos. All the iguanas in the Galapagos are believed to have descended from a common ancestor that made its way to the islands from South America on rafts of vegetation, with A. cristatus splitting off some

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