Reptiles include king cobra, python, rat snake, crocodile and monitor lizard. The lizards include gecko, calotis, wall lizard and monitor lizard. Varanus salvadorii is a species of monitor lizard endemic to New Guinea. The water monitor is a large species of monitor lizard. One unusual prey item recorded was a long monitor lizard. Natural predators of magpies include various species of monitor lizard and the barking owl. The earless monitor lizard was described in 1878 by Franz Steindachner. Low wattage halogen lamp arrays are widely used by monitor lizard keepers. "Palaeosaniwa "was roughly comparable to a large monitor lizard (Varanidae) in size. The earless monitor lizard is endemic to the Southeast Asian island of Borneo. The Timor monitor is a dwarf species of monitor lizard belonging to the "Odatria" complex. The monitor lizard is the most regularly observed species. Various species of monitor lizard ("Varanus") are able to climb trees and enter hollows. Among these are rock hyraxes, hares, marmots and, in one case, a long monitor lizard. Among reptiles, the monitor lizard is reported to be prominent.