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Some species, like cobras or hognose snakes, first elevate their head and spread out the skin of their neck in an effort to look large and threatening. Failure of this strategy may lead to other measures practiced particularly by cobras, vipers, and closely related species, which use venom to attack.
The hemipenis is the intromittent organ of Squamata, [4] which is the second largest order of vertebrates with over 9,000 species distributed around the world. They differ from the intromittent organs of most other amniotes such as mammals, archosaurs and turtles that have a single genital tubercle, as squamates have the paired genitalia remaining separate. [5]
Lizard is the common name used for all squamate reptiles other than snakes (and to a lesser extent amphisbaenians), encompassing over 7,000 species, [1] ranging across all continents except Antarctica, as well as most oceanic island chains.
A reptile can be described as all of the following: Lifeform. Animal. Chordate. Vertebrate. Amniote; Ectotherm; Types of reptiles. List of reptiles. List of largest ...
Yes, some reptiles like to be touched and handled. Dr. MacMillan says: "Pet iguanas seem to enjoy this type of human contact, and many turtles will push into your hand for more if you are petting ...
The earliest known eureptile ("true reptile") was Hylonomus, a small and superficially lizard-like animal which lived in Nova Scotia during the Bashkirian age of the Late Carboniferous, around . Genetic and fossil data argues that the two largest lineages of reptiles, Archosauromorpha (crocodilians, birds, and kin) and Lepidosauromorpha ...
They can be based on various reptiles, like lizards, crocodiles, alligators, snakes, dinosaurs, and the fictional dragons. They are often depicted as powerful warriors, though their relative intelligence to humans varies – as with other anthropomorphic races, a greater resemblance to humans often denotes more "civilized" behavior.
Marine reptiles are reptiles which have become secondarily adapted for an aquatic or semiaquatic life in a marine environment. Only about 100 of the 12,000 extant reptile species and subspecies are classed as marine reptiles, including marine iguanas, sea snakes, sea turtles and saltwater crocodiles. [1]