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Salvadora is a genus of colubrid snakes commonly called patchnose snakes or patch-nosed snakes, which are endemic to the western United States and Mexico. [1] They are characterized by having a distinctive scale on the tip of the snout.
Salvadora grahamiae, also known commonly as the eastern patch-nosed snake and the mountain patchnose snake, is a species of snake in the family Colubridae. The species is native to the southwestern United States and adjacent northeastern Mexico .
Salvadora hexalepis, the western patch-nosed snake, is a species of non-venomous colubrid snake, which is endemic to the southwestern United States and northern Mexico. [ 5 ] Geographic range
The longest venomous snake is the king cobra (Ophiophagus hannah), with lengths (recorded in captivity) of up to 5.7 m (19 ft) and a weight of up to 12.7 kg (28 lb). [53] It is also the largest elapid. The second-longest venomous snake in the world is possibly the African black mamba (Dendroaspis polylepis), which
Ptyas mucosa, the Indian rat snake, is a common species of colubrid snake found in parts of southern and southeastern Asia. Growing to a length of 1.5 to 1.9 m (5 to 6 ft), they are very slender, diurnal and semi-arboreal.
Original description : A size comparison of four different snakes; comparing large individuals of the extant green anaconda (Eunectes murinus) and reticulated python (Malayopython reticulatus) to total length estimates of the extinct Gigantophis and Titanoboa. • The green anaconda is the largest (most massive) extant snake.
Salvadora lineata, the Texas patchnose snake, is a species of snake of the family Colubridae. [1] The snake is found in the United States and Mexico. [1] Mating.
The scales however grow larger in size and may change shape with each moult. [9] Snakes have smaller scales around the mouth and sides of the body which allow expansion so that a snake can consume prey of much larger width than itself. Snake scales are made of keratin, the same material that hair and fingernails are made of. [9]