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Rattlesnakes of this species considered medium-sized weigh up to 1.23 to 2.7 kg (3 to 6 lb), while very large specimens can reportedly weigh up to 6.7 kg (15 lb). [7] [8] [9] Overall, it is likely the second largest-bodied species of rattlesnake, behind only its close cousin the eastern diamondback rattlesnake.
Crotalus oreganus, a.k.a. the western rattlesnake, a venomous pitviper species found in North America in the western United States, parts of British Columbia and northwestern Mexico. Crotalus ruber, a.k.a. the red diamond rattlesnake, a venomous pitviper species found in southwestern California in the United States and Baja California in Mexico.
The eastern diamondback rattlesnake (Crotalus adamanteus) kills the most people in the US, with the western diamondback rattlesnake (Crotalus atrox) ranking second. [1] However, some authorities believe the western diamondback is responsible for the most deaths. [2] [3]
Western diamondback rattlesnake (Crotalus atrox), responsible for the majority of venomous snakebites in North America, coiled in defensive posture with rattle erect. Rattlesnakes are native to the Americas from southern Canada to central Argentina, with the majority of species inhabiting arid regions. [7]
Members of the genus Crotalus range in size from only 50–70 cm (20–28 in) (C. intermedius, C. pricei), to over 150 cm (59 in) (eastern and western diamondback rattlesnakes). [3] In general, adult males are slightly larger than females. Compared to most snakes, they are heavy-bodied, although some African vipers are much thicker. [6]
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.
Crotalus oreganus, commonly known as the Western rattlesnake or northern Pacific rattlesnake, [4] [5] is a venomous pit viper species found in western North America from the Baja California Peninsula to the southern interior of British Columbia.
Most roundups target the western diamondback rattlesnake (Crotalus atrox), though some events target prairie rattlesnakes (C. viridis), timber rattlesnakes (C. horridus), or the eastern diamondback rattlesnake (C. adamanteus). [3] [7] A harvest of several hundred to several thousand kilograms of snakes is typical for many roundups.