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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 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
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 .
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.
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
Rhadinophanes, a monotypic genus with its sole representative, the graceful mountain snake, Rhadinophanes monticola Index of animals with the same common name This page is an index of articles on animal species (or higher taxonomic groups) with the same common name ( vernacular name).
Salvadora bairdi, also known commonly as Baird's patchnose snake and la culebra chata de Baird in Mexican Spanish, is a species of snake in the subfamily Colubrinae of the family Colubridae. [2] The species is native to central Mexico .
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]