Wild Lizard Chase
Telltale sign
The most important clue to an unseen monitor's whereabouts is the
track it leaves behind, such as this one from a perentie. Only
expert trackers like Dr. Pianka can reliably "read" a monitor's
movements in the desert sand and anticipate the animal's next move.
But following tracks can be frustrating. One minute you clearly see
the footprints, and the next, around the next bush, they vanish on
hard, shrubby ground. Or desert winds just wipe them from the sand.