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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.
The timber rattlesnake, canebrake rattlesnake, or banded rattlesnake (Crotalus horridus) [6] is a species of pit viper endemic to eastern North America. Like all other pit vipers, it is venomous , with a very toxic bite. [ 7 ]
The United States in the Great Basin region. Its range includes Idaho south of lat. 44° North, Utah west of long. 111° West, Arizona west and north of the Colorado River as well as the north rim of the Grand Canyon, the entire state of Nevada (excluding Esmeralda, Nye and Clark counties), California east of the Sierra Nevada from Lower Klamath Lake south to below Lake Mono, Oregon south and ...
English: Map showing the approximate global distribution of snakes. Terrestrial snake data based on Ernst ...
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 .
The genus Crotalus is ovoviviparous, giving birth to live young. [6] The basic lifecycle of many Nearctic species has been known for quite some time. Females at an age of 26 months undergo vitellogenesis as they enter their third hibernation , [ 13 ] mate the following spring, and give birth later in September or October.
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.
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 ...