Goanna – Australian Perentie – Australian Wildlife

Australian Goanna

A goanna is any of several Australian monitor lizards of the genus Varanus, as well as certain species from Southeast Asia.

GoannaAround 30 species of goanna are known, 25 of which are found in Australia. This varied group of carnivorous reptiles ranges greatly in size and fills several ecological niches.

The goanna features prominently in Aboriginal mythology and Australian folklore.

Being predatory lizards, goannas are often quite large, or at least bulky, with sharp teeth and claws. The largest is the perentie (V. giganteus), which can grow over 2.5 m (8.2 ft) in length.

Not all goannas are gargantuan. Pygmy goannas may be smaller than a man’s arm. The smallest of these, the short-tailed monitor (Varanus brevicuda) reaches only 20 cm (8 inches) 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.

GoannaMost goannas are dark-coloured, with greys, browns, blacks and greens featuring prominently; however, white is also common. Many 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.

Wikipedia

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