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Monitor lizards are lizards in the genus Varanus, the only extant genus in the family Varanidae. They are native to Africa, Asia, and Oceania, and one species is also found in the Americas as an invasive species. [1] About 80 species are recognized. Monitor lizards have long necks, powerful tails and claws, and well
Mariana monitors in the Southern Mariana Islands shifted major prey classes when their regular prey began declining. [5] The monitors were known for being the top predator on Guam, [6] but the introduction of the brown tree snake (Boiga irregularis) led to a decrease in prey numbers, prompting the monitors to switch to eating invertebrates and foraging through human garbage.
It is verified that like all monitors or possibly all lizards, true monitors have special glands in their jaws, which is almost certainly a homologous feature for these reptiles. However, not all agree that these can be called venom glands, especially since the effect of them are too mild for prey to most lizard and especially true monitors ...
The Gray's monitor (Varanus olivaceus) is a large (180 cm, >9 kg) monitor lizard known only from lowland dipterocarp forest in southern Luzon, Catanduanes, and Polillo Island, all islands in the Philippines. [1] It is also known as Gray's monitor lizard, butaan, and ornate monitor. [3] It belongs to the subgenus Philippinosaurus. [4]
The savannah monitor is the most common monitor lizard species available in the pet trade, accounting for almost half (48.0552%) of the entire international trade in live monitor lizards. [ 17 ] Despite its prevalence in global pet trade, successful captive reproduction is very rare, and a high mortality rate is associated with the species.
The desert monitor (Varanus griseus) is a species of monitor lizard of the order Squamata found living throughout North Africa and Central and South Asia. The desert monitor is carnivorous , feeding on a wide range of vertebrates and invertebrates.
The perentie (Varanus giganteus) is a species of monitor lizard. It is one of the largest living lizards on earth , after the Komodo dragon , Asian water monitor , and the Crocodile monitor . [ 3 ] [ 4 ] Found west of the Great Dividing Range in the arid areas of Australia, it is rarely seen, because of its shyness and the remoteness of much of ...
The short-tailed monitor is strictly carnivorous. Short-tailed pygmy monitors are highly active foragers in the wild, unlike most lizards. [5] They eat insects such as grasshoppers, beetles, roaches, caterpillars, as well as reptile eggs, isopods, spiders, scorpions, centipedes, small lizards and occasionally frogs and even small snakes.