Komodo dragon collision between Australia and Southeast Asia allowed these larger varanids to move back into what is now the Indonesian archipelago, extending their range as far east as the island of Timor. The Komodo dragon was believed to have differentiated from its Australian ancestors 4 million years ago. However, recent fossil evidence from Queensland suggests the Komodo dragon actually evolved in Australia before spreading to Indonesia. Dramatic lowering of sea level during the last glacial period uncovered extensive stretches of continental shelf that the Komodo dragon colonised, becoming isolated in their present island range as sea levels rose afterwards. Extinct Pliocene
Saint Croix ground lizard body with alternating rings of blue and black. The entire tail of juveniles and hatchlings is a bright blue color. It eats virtually any prey item, including berries, amphipods, moths, ants and small hermit crabs. The lizard is mainly found in beach areas and upland forest. Once indigenous to the island of St. Croix, the population was extirpated, likely due to habitat loss and the introduction of the Indian mongoose to the island in the 1880s. The lizard is found on four islands: Protestant Cay, Green Cay, Ruth Cay (a man-made island, constructed by dredging in the 1960s), and Buck