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Vipera berus, also known as the common European adder [3] and the common European viper, [4] is a species of venomous snake in the family Viperidae. The species is extremely widespread and can be found throughout much of Europe , and as far as East Asia . [ 2 ]
Vipera kaznakovi, also known as the Caucasus viper, Kaznakow's viper, [2] Kaznakov's viper, [3] and by other common names, is a species of venomous snake in the subfamily Viperinae of the family Viperidae. The species is native to Turkey, Georgia, and Russia. [1] There are no subspecies that are recognized as being valid. [4]
Studies have indicated these snakes learn to improve their strike accuracy over time. [11] Many temperate species of pit vipers (e.g. most rattlesnakes) congregate in sheltered areas or "dens" to overwinter (brumate, see hibernation), the snakes benefiting from the combined heat. In cool temperatures and while pregnant, pit vipers also bask on ...
The venom of the fer-de-lance is so potent that didelphine opossums (i.e., opossums like the Virginia opossum), which are normally immune to the venom of pit vipers and rattlesnakes, are still capable of succumbing to the venom of this snake. This is especially the case if the opossum is not fully grown (and thus the venom is more concentrated ...
Like most vipers, B. insularis gives live birth to its young. The average number of golden lancehead young per gravidity is 6.5. [ 9 ] No data are published for the size of the golden lancehead at birth, but newborns are probably of a similar size to B. jararaca, the neonates of which have a snout-to-vent length of 24.5 to 25.3 cm ( 9 + 3 ⁄ 4 ...
Lachesis muta is the third longest venomous snake in the world, exceeded in length only by the king cobra and the black mamba. Weight in this species is estimated at an average of 3 to 5 kg (6.6 to 11.0 lb), somewhat less than the heaviest rattlesnakes (like the eastern diamondback rattlesnake ) or Bitis vipers (such as the Gaboon viper and ...
Crotalus cerastes, known as the sidewinder, horned rattlesnake or sidewinder rattlesnake, [3] is a pit viper species belonging to the genus Crotalus (the rattlesnakes), and is found in the desert regions of the Southwestern United States and northwestern Mexico.
Macrovipera lebetinus, known as the blunt-nosed viper, Lebetine viper, Levant viper, [3] and by other common names, is a viper species found on islands in the Aegean Sea and in much of the Middle East, and as far east as Kashmir. Like all other vipers, it is venomous. Five subspecies are currently recognized, including the nominate race ...