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The Great basin rattlesnake was first formally named by Laurence Monroe Klauber in 1930 as a subspecies of Crotalus confluentus (now known as Crotalus viridis). [5] It is commonly considered a subspecies of Crotalus oreganus. [6] [4] The type locality is "10 miles northwest of Abraham on the Road to Joy, Millard County, Utah." [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.
In Canada, it is found in southern interior of British Columbia and is one of only three remaining rattlesnake species in the country. [11] In the United States, it occurs in Washington, Oregon, California, western and southern Idaho, Nevada, Utah, Arizona, western Colorado, and small parts of New Mexico and Wyoming. [12]
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. [65] 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. [66]
Smaller species feed mainly on lizards, while larger species start by feeding on lizards as juveniles and then switch to preying mainly on mammals as adults. Prey items more frequently taken include rabbits , ground squirrels such as prairie dogs , tree squirrels , chipmunks , gophers , and rats and mice , [ 11 ] while those less frequently ...
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. Like all other pit vipers, it is venomous.
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]
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.