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The optimal body temperature for the tuatara is from 16 to 21 °C (61 to 70 °F), the lowest of any reptile. [80] The body temperature of tuatara is lower than that of other reptiles, ranging from 5.2–11.2 °C (41.4–52.2 °F) over a day, whereas most reptiles have body temperatures around 20 °C (68 °F). [81]
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.
Varanus varius has the typical body built of a true monitor True monitors are characterized by their wide skulls and strong jaws, with the nostrils cranially positioned on the sides of their snout. Their teeth are curved, serrated and concealed by thick lips, making them invisible even if their mouths are open.
It was a small, lizard-like animal, about 20 to 30 centimetres (7.9 to 11.8 in) long, with numerous sharp teeth indicating an insectivorous diet. [40] Other examples include Westlothiana (for the moment considered a reptiliomorph rather than a true amniote) [41] and Paleothyris, both of similar build and presumably similar habit.
A small body size would allow these lizards to take advantage of the brief warm periods experienced at high latitudes or elevations, which a larger lizard would otherwise not be able to exploit. [5] These animals illustrate the breadth of information that remains unknown with regard to herbivorous lepidosaurs.
The slender glass lizard, which is usually tan or brown with long stripes along the length of its body, can grow as large as 42 inches long, and that would be a very large example, Owens said ...
In terms of food, the small, three-pointed teeth indicate an ability to process plants and small prey like snakes, fish, and insects, but a large cheek area could mean more substantial animals ...
Most lizard species and some snake species are insectivores. The remaining snake species, tuataras, and amphisbaenians, are carnivores. While some snake species are generalist, others eat a narrow range of prey - for example, Salvadora only eat lizards. [33] The remaining lizards are omnivores and can consume plants or insects. The broad ...