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
Greek rock lizard will in some cases spit acid at other animals that annoy it. The chief threats faced by the Greek rock lizard are fires and the planting of "Eucalyptus" trees in place of the natural vegetation of the region. Although the lizard is quite common in places, its total area of occupancy is only around and as the amount of suitable habitat is reduced, its numbers are decreasing. The International Union for Conservation of Nature has listed it as being "near threatened" and bordering on "vulnerable. Greek rock lizard The Greek rock lizard ("Hellenolacerta graeca") is a species of lizard in