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Foreword by Wolfgang Wuster
Origins Biogeography and Classification
The Vipers Environment
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altitude ambush anal is entire antivenom antivenom cover areas Atheris behaviour bite Bitis arietans bitten blotches Body colour body scales breeding Bush Viper Carpet Viper Causus Cerastes cerastes coloratus Common name Crotalus described Diet Distribution dorsal dorsum eastern envenoming European Adder fangs female Field notes forest gabonica genus habitat head hibernation Horned Joger kaznakovi keeled and number Kenya known latastei lebetina lizards Macrovipera male Meadow Viper metres mid-body Monotypic Montivipera Mountain Viper Night Adder Nilson & Andren nocturnal northern occur oviparous Phelps Fig pitvipers populations predators prey Pseudocerastes Puff Adder pyramidum range Rattlesnake renardi Reproduction reptiles rocky Russell's Viper Saw-scaled Viper scales are keeled scales are strongly siamensis small mammals South Africa species specimens strongly keeled subcaudals subgenus subspecies swelling Taxonomy type mating system usually venomous snakes ventral surface ventrals number Viper Description Vipera ammodytes Vipera berus Vipera ursinii Viperinae Viviparous Warrell Western Cape Wuster xanthina