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The cloaca is the posterior body opening through which snakes both excrete waste and reproduce. If the female wants to mate, she lifts her tail and allows him to mate with her. The snakes can mate for several hours, and if one of the snakes decides to move, the other is dragged along. Females might mate with several males in a season.
Sidewinding is a type of locomotion unique to snakes, used to move across loose or slippery substrates. It is most often used by the Saharan horned viper, Cerastes cerastes , the Mojave sidewinder rattlesnake , Crotalus cerastes , and the Namib desert sidewinding adder, Bitis peringueyi , to move across loose desert sands, and also by ...
The Western hooknose snake is a small species, growing to 36.5 cm (14 + 3 ⁄ 8 in) in total length (including tail). It is gray or grayish brown in color, with 25-48 dark brown or black blotches down the back, [3] and a cream-colored underside. It has a slightly upturned snout, to which the common name, "hooknose", refers.
Bitis peringueyi is a small snake with an average total length (including tail) of 20–25 cm (8–10 in), its maximum recorded total length is 32 cm (13 in). [5]The head is short and flat with eyes located on top of the head.
Rectilinear locomotion relies upon two opposing muscles, the costocutaneous inferior and superior, which are present on every rib and connect the ribs to the skin. [5] [6] Although it was originally believed that the ribs moved in a "walking" pattern during rectilinear movement, studies have shown that the ribs themselves do not move, only the muscles and the skin move to produce forward ...
The desert rosy boa (Lichanura trivirgata) is a species of snake in the family Boidae. The desert rosy boa is native to the American Southwest and Baja California and Sonora in Mexico . The desert rosy boa is one of four species in the boa family native to the continental United States , the other three being the coastal rosy boa ( Lichanura ...
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Gyalopion quadrangulare, the thornscrub hook-nosed snake or desert hook-nosed snake, is a species of non-venomous snake in the family Colubridae. The species is found in Arizona in the United States and Mexico .