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Crotalus willardi is a venomous pit viper species found in the southwestern United States and Mexico. This snake is found mainly in the "sky island" region. [5] The IUCN reports this snake's conservation status as being of Least Concern. [1] It is the official state reptile of Arizona. [6]
Metlapilcoatlus nummifer, commonly known as Mexican jumping pit viper [2] or jumping viper, [3] ... These snakes have sometimes been mistaken for young bushmasters ...
The Crotalinae, commonly known as pit vipers, [2] [3] or pit adders, are a subfamily of vipers found in Asia and the Americas. Like all other vipers, they are venomous . They are distinguished by the presence of a heat-sensing pit organ located between the eye and the nostril on both sides of the head.
According to Yoshimitsu (2005), this species and the Okinawan habu (Protobothrops flavoviridis), another pit viper, are the most venomous snakes in Japan. [6] The venom's lethality as measured by LD 50 in mice following intraperitoneal injection is in the range 0.3 mg/kg [ 12 ] to 1.22 mg/kg. [ 13 ]
Bothrops jararaca—known as the jararaca [4] or yarara [5] —is a highly venomous pit viper species endemic to South America in southern Brazil, Paraguay, and northern Argentina. The specific name, jararaca, is derived from Old Tupi îararaka. Within its geographic range, it is often abundant and is an important cause of snakebite. [4]
It’s estimated that 2.7 million people get venomous snake bites per year, according to the World Health Organization. Between 81,000 and 138,000 die each year, and about three times as many more ...
Trimeresurus mcgregori, commonly known as McGregor's pit viper [4] or the Batanes pit viper, is a species of venomous snake in the subfamily Crotalinae of the family Viperidae. [ 5 ] [ 4 ] The species is endemic to the Philippines .
Rock squirrels, which are common in the Grand Canyon area, evade the snake through a process called "mobbing," where the squirrel will attack the snake by kicking dirt and rocks and rapidly waving their tails to heat the air around them, causing the snake to believe there is a larger mammal coming to attack.