From the tree-dwelling green to the semi-aquatic marine, today we celebrate all of the incredibly adapted iguana species that hold a vital place in our world. | National Geographic History

🌊 Galápagos marine iguanas are the only lizards on Earth that live and forage in the ocean, a truly unique evolutionary adaptation found nowhere else in the animal kingdom. Native exclusively to the Galápagos Islands, these reptiles have evolved to thrive in a harsh, volcanic environment where survival demands incredible resilience. Unlike any other lizard, marine iguanas can dive into the sea, holding their breath for up to 30–40 minutes while feeding on underwater algae clinging to rocks. The