Goanna smaller than the arm of an adult human. The smallest of these, the short-tailed monitor ("Varanus brevicuda") reaches only in length. They survive on smaller prey, such as insects and mice. Goannas combine predatory and scavenging behaviours. A goanna will prey on any animal it can catch and is small enough to eat whole. Goannas have been blamed for the death of sheep by farmers, though most likely erroneously, as goannas are also eaters of carrion and are attracted to rotting meat. Most goannas are dark-coloured, with greys, browns, blacks and greens featuring prominently; however, white is also common. Many
Goanna desert-dwelling species also feature yellow-red tones. Camouflage ranges from bands and stripes to splotches, speckles, and circles, and can change as the creature matures, with juveniles sometimes being brighter than adults. Like most lizards, goannas lay eggs. Most lay eggs in a nest or burrow, but some species lay their eggs inside termite mounds. This offers protection and incubation; additionally, the termites may provide a meal for the young as they hatch. Unlike some other species of lizards, goannas do not have the ability to regrow limbs or tails. The name goanna derived from iguana, since early European bush settlers