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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 ]
The supraocular are separated from the supranasals by 2 canthal scales. 2 apical scales border the rostral. The rostral is wider than it is high. There are 12-16 intercanthals. The total number of scales on the top of the head is 39-40. There are 13-15 circumorbital scales with an incomplete outer ring of 13-17 scales.
Vipera darevskii, known as Darevsky's viper, [2] is a small species of viper, a venomous snake in the subfamily Viperinae of the family Viperidae. The species is native to northwestern Armenia, northeastern Turkey, and possibly also adjacent southern Georgia. [2] There are no subspecies that are recognized as being valid. [3]
Vipera aspis zinnikeri is a venomous viper subspecies [4] ... The dorsal pattern is fused into a broad, wavy or zigzag dark stripe that contains a straight-edged ...
The species is also known as the Southern Italian asp, [2] the South-Italian asp viper, [3] or Hugy's viper. [7] Previously, several other common names were used to describe a subspecies that is now part of the synonymy of this form, the Monte Cristo viper [2] or Monte Cristo asp viper [3] for Vipera aspis montecristi.
Specimens of this species may weigh up to 6 kilograms (13 lb) and are often 1.2 to 1.8 meters (3.9 to 5.9 ft) in length. Very big females can reach lengths up to 2.5 metres (8.2 ft), although this is uncommon. [3] [20] These are among the most sexually dimorphic of all snakes. The two sexes are born the same size, but by age 7 to 12 months ...
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 ...
Common names: Baskian viper, [3] Iberian cross adder, [4] Portuguese viper, [5] [6] Seoane's viper. [1] Vipera seoanei is a venomous viper species endemic to extreme southwestern France and the northern regions of Spain and Portugal. [1] [2] Two subspecies are currently recognized, including the nominate race described here. [5]