expr:class='data:blog.pageType'>

Learning always keep you ahead

ads

Sunday, 5 May 2024

12) Varanus : Monitor Lizard

Varanus: Monitor Lizard 

Monitor lizards square measure lizards within the reptile genus, the sole living genus within the reptile family. they're native to the continent, Asia, and Oceania, Associate degreed one species is additionally found within the Americas as an invasive species. concerning eighty species square measure recognized.

Varanus : Monitor Lizard




Monitor lizards have long necks, powerful tails and claws, and well-developed limbs. The adult length of living species ranges from twenty cm (7.9 in) in some species, to over three m (10 ft) in the case of the Komodo dragon, though the extinct varanid referred to as megalomania (Varanus priscus) could be capable of reaching lengths over seven m (23 ft). Most monitor species square measure terrestrial, however arboreal and semiaquatic monitors also are glorious. whereas most monitor lizards square measure carnivorous, ingestion eggs, smaller reptiles, fish, birds, insects, and tiny mammals, some conjointly eat fruit and vegetation, counting on wherever they live

The genus Varanus is taken into account as distinctive among animals therein its members are comparatively morphologically conservative, nonetheless showing an awfully massive size vary. Finer morphological options like the form of the bone and limbs vary, though, and are powerfully associated with the ecology of every species.

Monitor lizards maintain massive territories and use active-pursuit-looking techniques that are comparable to similar-sized mammals. The active nature of the observation of lizards has crystal rectifiers to various studies on the metabolic capacities of those lizards. the overall agreement is that monitor lizards have the very best customary metabolic rates of all living reptiles.

Monitor lizards have a high aerobic scope that's afforded, in part, by their heart anatomy. Whereas most reptiles are thought to possess three-chambered hearts, the hearts of monitor lizards – like those of boas and pythons – have a well-developed bodily cavity septum that fully separates the pulmonic and general sides of the cardiovascular system throughout the heartbeat. this permits monitor lizards to form mammalian-equivalent pressure differentials between the pulmonic and general circuits, which successively ensure that ventilated blood is quickly distributed to the body while not additionally flooding the lungs with hard-hitting blood.

Anatomical and molecular studies indicate that every one varanid (and probably all lizards) ar part venomous. The venom of monitor lizards is numerous and sophisticated, as a result of the various ecological niches monitor lizards occupy. Monitor lizards are oviparous, egg laying from seven to thirty-eight eggs, and they usually cowl with soil or defend in an exceedingly hollow plant structure. Some monitor lizards, as well as the Komodo dragon, are capable of parthenogenesis.


Skeleton of Varanus

skeleton of Varanus


Classification of Monitor Lizard:

Clutch size: Komodo dragon: 20

Scientific name: Varanus

Speed: Komodo dragon: 20 km/h

Family: Varanidae

Kingdom: Animalia

Order: Squamata


What is the common name of Varanus?

The common name of Varanus is Monitor Lizard.


Q: What is a Varanus?

A: Varanus is a genus of reptiles belonging to the family Varanidae. These are commonly referred to as monitor lizards.


Q: Where are Varanus lizards found?

A: Varanus lizards are found in various parts of the world, including Africa, Asia, Australia, and some Pacific islands. They inhabit a wide range of ecosystems, from tropical forests to arid deserts.


Q: How big do Varanus lizards get?

A: The size of Varanus lizards varies widely depending on the species. Some species are relatively small, around 20-30 cm in length, while others can grow to over 3 meters in length.


Q: What do Varanus lizards eat?

A: Varanus lizards are carnivorous and their diet includes a variety of prey such as insects, small mammals, birds, eggs, and even carrion. Some larger species have been known to hunt larger prey like deer fawns or other reptiles.


Q: Are Varanus lizards dangerous to humans?

A: Most Varanus species are not considered dangerous to humans. However, some larger species have powerful bites and sharp claws that could potentially harm humans if they feel threatened. Generally, they prefer to avoid confrontations and will only become aggressive if cornered.


Q: How do Varanus lizards reproduce?

A: Varanus lizards are egg layers. They lay eggs in burrows or other hidden spots, and the eggs hatch after a certain incubation period. The young lizards are independent from birth and must fend for themselves.


Q: Are Varanus lizards kept as pets?

A: Yes, some species of Varanus lizards are kept as pets by experienced reptile enthusiasts. However, they require specialized care and a suitable habitat, so they are not recommended for beginners.


Q: Do Varanus lizards have any cultural significance?

A: Yes, in some cultures, Varanus lizards hold cultural or mythological significance. For example, in some parts of Southeast Asia, monitor lizards are considered symbols of power or are featured in local folklore.


Q: How do Varanus lizards defend themselves?

A: Varanus lizards have various defense mechanisms. They can use their sharp claws and teeth to bite and scratch, and some species have powerful tails that they can use to whip at potential threats. Additionally, they might hiss, puff up their bodies, and even change color to intimidate predators or threats.


Q: Are Varanus lizards protected species?

A: Some species of Varanus lizards are protected due to habitat loss, poaching, and other threats. Conservation efforts are in place to ensure the survival of these species in the wild. However, the level of protection varies depending on the species and its location.


No comments:

Post a Comment

ads