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Rattlesnake

Rattlesnakes are a group of venomous snakes of the genera Crotalus and Sistrurus of the subfamily Crotalinae ("pit vipers"). The 32 known species of rattlesnakes have between 65 and 70 subspecies, all native to the Americas, ranging from southern Alberta and southern British Columbia in Canada to Central Argentina.

Rattlesnakes are predators that live in a wide array of habitats, hunting small animals such as birds and rodents. They kill their prey with a venomous bite, rather than by constricting. All rattlesnakes possess a set of fangs with which they inject large quantities of hemotoxic venom. The venom travels through the bloodstream, destroying tissue and causing swelling, internal bleeding, and intense pain. Some species, such as the tiger rattlesnake and the Mojave rattlesnake, additionally possess a neurotoxic component in their venom that causes paralysis and other nervous system symptoms.

The threat of envenomation, advertised by the loud shaking of the titular noisemaker ("rattle") at the end of their tails, deters many predators. However, rattlesnakes fall prey to hawks, weasels, king snakes, and a variety of other species. Rattlesnakes are heavily preyed upon as neonates, while they are still weak and mentally immature. Large numbers of rattlesnakes are killed by humans. Rattlesnake populations in many areas are severely threatened by habitat destruction, poaching, and extermination campaigns.

Rattlesnake bites are the leading cause of snakebite injuries in North America. However, rattlesnakes rarely bite unless provoked or threatened; if treated promptly, the bites are rarely fatal.

AppearancesEdit

Rattlesnakes receive their name from the rattle located at the end of their tails, which, when shaken, makes a loud rattling noise that deters predators or serves as a warning to passers-by. The scientific name Crotalus derives from the Greek, κρόταλον, meaning "castanet". The name Sistrurus is the Latinized form of the Greek word for "tail rattler" (Σείστρουρος, seistrouros) and shares its root with the ancient Egyptian musical instrument, the sistrum, a type of rattle.

Season 1 Characters
Abby Ai Alanna Alex Andy Anika Ashley Bradly Carlos Cheuk-Ken Chloe Chris Cole Daisuke Daria David Dean Dena Elisa Emily Emma Erica Eugene Fritz Fumiko Gloria Gwen Haley Harlan Haru Hayley Hiromi Hiroshi Jackie Jake James Jennifer Jeremiah Jessie Jill Jordyn Katarina Kathrin Kayden Keiko Keira Kentaro Kevin Liberty Luca Lucía Maria Marisa Martin Matt Maximus Michael Michelle Mike Misaki Miyu Naomi Nelly Nicholas Nikhil Oscar Pierre Ren Rin Ryan Saburo Sakura Samantha Sarah Shawna Shinnosuke Shouta Silke Steve Susana Takashi Takumi Tatsuaki Theo Tomoko Tyler Tyrone Víctor Vincenzo Yoko Yoshi Zachary
Season 2 Characters
Abe Akira Alisha Alyssa Amit Bares Charles Chika Dave Dorothy Eddy Eduardo Eric Eva Gabi George Giovanna Greg Hansel Helen Holly Ian Ignis Jackie Jaedan Jonah Joseph Josh Julie Lanna Marco Matthew Megan Mia Midori Miguel Norbert Omar Pablo Patrick Rachel Rainer Sandra Santa Shohei Siobhán Sota Steph Stéphanie Tommy Ursula Wally
Season 3 Characters
Alyssa Barbara Frankie Hiromasa Kylah Leah
Season 4 Characters
Anna Asami Ashley Gabriele Kevin Kris Shinta Stefania Tierra Trina