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Parietal scales are the scales of a snake located on the snake's head and are connected to the frontals towards the posterior. [1] These plate-like scales are analogous to and take their name from the parietal bone, which forms the roof and sides of the cranium in humans.
Scales in the central or throat region, which are in contact with the first ventral scales of a snake's body and are flanked by the chin shields, are called gular scales. The mental groove is a longitudinal groove on the underside of the head between the large, paired chin shields and continuing between the smaller gular scales.
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The shape and arrangement of scales is used to identify snake species. The shape and number of scales on the head, back and belly are characteristic to family, genus and species. Scales have a nomenclature analogous to the position on the body. In "advanced" (Caenophidian) snakes, the broad belly scales and rows of dorsal scales correspond to ...
Frontal and parietal scales are usually not present, but if so, they are small and irregularly shaped, with the frontal separated from the supraoculars by 2 scale rows. The supraocular scales are large and distinct, separated by 4–7 scale rows. There are 10–12 (rarely 8–18) small circumorbital scales below the supraocular.
A bite by a North American copperhead on the ankle is usually a moderate injury to a healthy adult, but a bite to a child's abdomen or face by the same snake may be fatal. The outcome of all snakebites depends on a multitude of factors: the type of snake, the size, physical condition, and temperature of the snake, the age and physical condition ...
Even a dead snake’s reflexes can bite and inject venom. The Iconic Rattlesnake “Rattle” Keeping your property clean of rodents and piles of debris will also help keep rattlesnakes away.
The Sumatran short-tailed python has narrow subocular scales between the bottom of the eye and the top of the labial scales. The parietal scales do not join each other. P. curtus and P. breitensteini can be distinguished by the frontal and parietal scales on the tops of their heads. In both P. brongersmai and P. breitensteini, the parietal ...