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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."
This is a medium to large rattlesnake. Adults measure 16–54 inches (41–137 cm) in total length. Dorsally, they have dark blotches on a variety of base colors ranging from reddish, pink, yellow/green, light tan, to gray. The blotches usually become crossbands near the tail. The young usually have more prominent blotches and facial markings ...
Crotalus oreganus oreganus – Ashton & de Queiroz, 2001 [ 3 ] 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.
Trinomial name. Pituophis catenifer deserticola. Stejneger, 1893. Pituophis catenifer deserticola, commonly known by its standardized English name since the 1950s, the Great Basin gophersnake, [1][2][3] is a subspecies of non venomous colubrid snake ranging in parts of western United States and adjacent southwestern Canada. [4][5]
Crotalus. This article is about the genus of snakes. For the liturgical rattle, see Crotalus (instrument). 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 ]
A Western rattlesnake, also known as Northern Pacific rattlesnake. The species is rarely found in Southern California, but a man in the Mojave Desert received one in the mail.
Rattlesnakes are venomous snakes that form the genera Crotalus and Sistrurus [ 1 ] of the subfamily Crotalinae (the pit vipers). All rattlesnakes are vipers. Rattlesnakes are predators that live in a wide array of habitats, hunting small animals such as birds and rodents. Rattlesnakes receive their name from the rattle located at the end of ...
John Day Fossil Beds National Monument is a U.S. national monument in Wheeler and Grant counties in east-central Oregon.Located within the John Day River basin and managed by the National Park Service, the park is known for its well-preserved layers of fossil plants and mammals that lived in the region between the late Eocene, about 45 million years ago, and the late Miocene, about 5 million ...