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Monitor lizards have a high aerobic scope [23] [25] that is afforded, in part, by their heart anatomy. Whereas most reptiles are considered to have three-chambered hearts, the hearts of monitor lizards – as with those of boas and pythons – have a well developed ventricular septum that completely separates the pulmonary and systemic sides of ...
Varanus albigularis is on average the most massive lizard in Africa, as adult males average about 6 to 8 kg (13 to 18 lb) and females weigh from 3.2 to 5 kg (7.1 to 11.0 lb). [ 7 ] [ 8 ] [ 9 ] Large mature males can attain weights of 15 to 17 kg (33 to 37 lb), which would make it slightly smaller than the Nile monitor by maximum size. [ 10 ]
Young monitor lizards are more colourful than adults. Young have a series of dark crossbars on the neck, throat and back. The belly is white, banded with dark crossbars and are spotted with grey or yellow (particularly in the eastern part of the range).
The genus Varanus is believed to have originated in South Asia in the Miocene epoch around 20 million years ago, and the anatomy of its earliest members are thought to resemble today's Indian group, which includes modern Yellow monitors (subgenus Empagusia) like the Bengal monitor.
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 tall skull and round teeth of a Nile monitor Skull anatomy of Varanus exanthematicus (2nd row on the left) compared with other Varanoids White-throated monitor Nile monitor The genus Varanus is believed to have originated in South Asia , and the anatomy of its earliest members are thought to resemble modern members of Empagusia , such as ...
A huge monitor lizard explored a family's garage before it was caught hiding behind a Buddhist shrine. Footage shows the 5ft-long reptile crawling along the driveway before a resident discovered ...
It is one of the most widespread monitor lizards. The Asian water monitor has a natural affinity towards water, inhabiting the surroundings of lakes, rivers, ponds, swamps and various riparian habitats, including sewers, city parks, and urban waterways. It is an excellent swimmer and hunts fish, frogs, invertebrates, water birds, and other ...