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Crotalus is a genus of pit vipers, commonly known as rattlesnakes or rattlers, [2] in the family Viperidae. The genus is found only in the Americas from southern Canada to northern Argentina . [ 1 ]
Crotalus viridis (Common names: prairie rattlesnake, [3] [4] Great Plains rattlesnake, [5]) is a venomous pit viper species native to the western United States, southwestern Canada, and northern Mexico.
Crotalus durissus, known as the South American rattlesnake, [2] tropical rattlesnake, [4] and by other names, is a highly venomous pit viper species found in South America. It is the most widely distributed member of its genus. [ 2 ]
Rattlesnake skin has a set of overlapping scales that cover the entire body, providing protection from a variety of threats, including dehydration and physical trauma. [63] The typical rattlesnake, genus Crotalus, has the top of its head covered with small scales, except, with a few species, a few crowded plates directly over the snout. [64]
Crotalus scutulatus is known commonly as the Mohave Rattlesnake. [3] [4] Other common English names include Mojave Rattlesnake [5] [6] and, referring specifically to the nominate (northern) subspecies: Northern Mohave Rattlesnake [4] and Mojave Green Rattlesnake, [7] [5] the latter name commonly shortened to the more colloquial “Mojave green”. [8]
The black-tailed rattlesnake (Crotalus molossus) is a venomous pit viper species found in the southwestern United States and Mexico. Four subspecies are currently recognized, including the nominate subspecies described here.
Crotalus helleri or Crotalus oreganus helleri, also known commonly as the Southern Pacific rattlesnake, [3] the black diamond rattlesnake, [4] and by several other common names, is a pit viper species [5] or subspecies [3] found in southwestern California and south into Baja California, Mexico, that is known for its regional variety of dangerous venom types.
Timber rattlesnake, Crotalus horridus This is a list of all sure genera, species and subspecies of the subfamily Crotalinae, [1] otherwise referred to as crotalines, pit vipers, or pitvipers, and including rattlesnakes Crotalus and Sistrurus.