chipkali live

As in snakes and many mammals, all lizards have a specialised olfactory system, the vomeronasal organ , used to detect pheromones. Mammalian prey typically consists of rodents and leporids ; the Komodo dragon can kill prey as large as water buffalo. Lizards make use of a variety of antipredator adaptations , including venom , camouflage , reflex bleeding , and the ability to sacrifice and regrow their tails. This may be evidence that unidirectional airflow is an ancestral trait in diapsids. They may play dead to deceive a predator that has caught them; attempt to outrun the rattlesnake , which does not pursue prey; but stay still, relying on their cryptic coloration, for Masticophis whip snakes which can catch even swift prey. Males establish and maintain territories that contain resources which attract females and which they defend from other males. Lizards signal both to attract mates and to intimidate rivals.

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Mating call of a male Tokay gecko. Three lineages, the geckosanolesand chameleonshave modified the scales under their toes to form adhesive padshighly prominent in the first two groups. Chameleons have very long sticky tongues which can be extended rapidly to catch their insect prey.

This was previously thought to only exist in the archosaurs chjpkali and birds.

Gila monsters and beaded lizards climb trees to reach both the eggs and young livve birds. The flat-tail horned lizard ‘s body is coloured like its desert background, and is flattened and fringed with white scales to minimise its shadow.


Most lizards are quadrupedal, running with a strong side-to-side motion. Species typically have uniform teeth suited to their diet, but several species have variable teeth, such as cutting teeth in the front of the jaws and crushing teeth in the rear. Lizards appear in myths and folktales around the world.

Common house gecko

The skin is tough and leathery, and is shed sloughed as the animal grows. Lizards range in size from luve and geckos a few centimeters long to the 3 meter long Komodo dragon. Many lizards, including geckos and skinksare capable of shedding their tails autotomy.

Monitor lizards have acute vision, hearing, and olfactory senses. They prefer warmer, tropical climates but are adaptable and can live in all but the most extreme environments. Later authors used the term “Sauria” in a more restricted sense, i. Retrieved 28 May Gila toxin reduces plasma glucose; the substance is now synthesised for chikpali in the anti- diabetes drug exenatide Byetta.

Some lizards, particularly iguanas, have retained a photosensory organ on the top of their heads called the parietal eyechpkali basal “primitive” feature also present in the tuatara.

Males typically direct signals at rivals, while females direct them at potential mates. Some such as the forest-dwelling Draco lizards are able to glide.

The position of the lizards and other Squamata among the reptiles was studied using fossil evidence by Rainer Schoch and Hans-Dieter Sues in Schlegel[2]. Geckos are considered poisonous in many parts of the world.


This suggests that these genes evolved in the common ancestor of lizards and snakessome million years ago forming a single cladethe Toxicofera.

Common house gecko – Wikipedia

This helps them detect predators stalking it from above. Comparative transcriptomics casts doubt on the single, early evolution of the reptile venom system”. University Press of Florida.

This article includes a list of referencesbut its sources remain unclear because it has insufficient inline citations. However, this is an interpretation, and the sound may also be described as “tchak tchak tchak” often sounded three times in sequence. Males establish and maintain territories that contain resources which attract females and which they defend from other males.

Lizard – Wikipedia

This classification is rarely used today because Sauria so-defined is a paraphyletic group. In African, Aboriginal and Melanesian folklore they are linked to cultural heroes or ancestral figures. While it is usually males that display, in some species females also use such communication.

The Tikiguania remains may instead be late Tertiary or Quaternary in age, having been washed into much chippkali Triassic sediments. In the beaded lizards, whiptails and monitor lizards, the tongue is forked and used mainly or exclusively to sense the environment, continually flicking out to sample the environment, and back to transfer molecules to the vomeronasal organ responsible for chemosensation, analogous to but different from smell or taste.