Faecal pellets of Varanus salvator collected in Pulau Tulai in the South China Sea revealed that individuals there mainly feed on crabs and tourists' leftovers. The stomach contents of monitor lizards living in an oil palm estate in Peninsular Malaysia show that the main diet in that habitat consisted of various types of insects and occasionally small rodents. Hatchlings were strictly insectivorous. Both groups of lizards exhibited area-concentrated foraging behaviour and their preferred hunting technique was "open pursuit"