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Hypsiglena torquata, the night snake, is a species of rear-fanged colubrid. It is found from Mexico , through much of the eastern United States and south central British Columbia , Canada [ 3 ] [ 4 ] It is characterized by dark brown systematic blotches down its back and sides, a bar behind each eye, vertical pupils, and neck adornment.
Hypsiglena is a genus of small, rear-fanged snakes, commonly referred to as night snakes, in the subfamily Dipsadinae of the family Colubridae. The genus consists of nine species . Three of these species have subspecies , which have been maintained pending further investigation.
Snakes found with a similar profile generally preyed upon dormant animals such as skinks. [49] The eastern brown snake is the second-most commonly reported species responsible for envenoming of dogs in New South Wales. [80] Dogs and cats are much more likely than people to have neurotoxic symptoms such as weakness or paralysis.
The brown tree snake is a nocturnal and arboreal species that uses both visual and chemical cues when hunting, either in the rainforest canopy or on the ground. [3] It is a member of the subfamily Colubrinae, genus Boiga, which is a group of roughly twenty-five species that are referred to as "cat-eyed" snakes for their vertical pupils. [4]
Snakes are elongated, limbless reptiles of the suborder Serpentes (/ s ɜːr ˈ p ɛ n t iː z /). Like all other squamates, snakes are ectothermic, amniote vertebrates covered in overlapping scales. Many species of snakes have skulls with several more joints than their lizard ancestors, enabling them to swallow prey much larger than their ...
The head and tail are superficially similar as the head and neck are indistinct. Unlike other snakes, the head scales resemble the body scales. The eyes are barely discernible as small dots under the head scales. The tip of the tail has a small, pointed spur. Along the body are fourteen rows of dorsal scales. Coloration ranges from charcoal ...
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Causus rhombeatus, commonly known as the rhombic night adder, is a species of venomous snake in the subfamily Viperinae of the family Viperidae. The species is native to Sub-Saharan Africa . No subspecies are recognized as being valid.