Spencer's goanna Spencer's goanna Spencer's goanna or Spencer's monitor ("Varanus spenceri" ) is a species of monitor lizard in the family Varanidae. The species is endemic to Australia. The specific name, "spenceri", is in honor of English-Australian biologist Walter Baldwin Spencer. "V. spenceri" is native to the Barkly region in central Queensland/Northern Territory, Australia. "V. spenceri" can grow to a total length (including tail) of up to . Spencer's monitor is generally heavier than a similarly sized monitor of another species due to its "stockier" build. It has sharp claws which it uses for digging burrows. "Varanus spenceri" eats anything it can
Sand goanna sand goanna does consume smaller species of monitors: Ackies, rock monitors and other dwarf species are often found and eaten. It is common to see a Gould's disturbing rock piles in an attempt to flush out any "Odatria". It lays its eggs in termite mounds to protect them from the harsh desert climate. Like all goannas and snakes the sand monitor has a forked tongue, with which it "tastes" the air. Scents are picked up on each side of the fork which, when retracted, brushes over an area in the mouth called the Jacobson's organ, which identifies on which side