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Rattlesnakes receive their name from the rattle located at the end of their tails, which makes a loud rattling noise when vibrated that deters predators. [2] Rattlesnakes are the leading contributor to snakebite injuries in North America, but rarely bite unless provoked or threatened; if treated promptly, the bites are seldom fatal.
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. [3]: 516
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.
The prey of the timber rattlesnake are mainly small mammals, but may include small birds, frogs, and other small animals. [30] Like most rattlesnakes, timber rattlesnakes are known to use chemical cues to find sites to ambush their prey and often strike their prey and track them until they can be consumed.
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]
Of the 6 venomous snake species native to N.C., 3 are rattlesnakes – pigmy, timber & Eastern diamondback. Each one is protected by the North Carolina Endangered Species Act.
"On average, each female gives birth to around 8 pups, so that will end up being a lot of baby snakes," Roberts said. "The full number of snakes with babies included is likely not 2,000 and is ...
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.