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Southern pacific rattlesnake (Crotalus oreganus helleri) at the Santa Barbara Zoo.

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A Northwestern neotropical rattlesnake (Crotalus durissus culminatus) at the Gladys Porter Zoo in Brownsville, Texas. This is a xanthic specimen, lacking normal pigmentation.

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A Northwestern neotropical rattlesnake (Crotalus durissus culminatus) at the Gladys Porter Zoo in Brownsville, Texas. This is a xanthic specimen, lacking normal pigmentation.

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A Northwestern neotropical rattlesnake (Crotalus durissus culminatus) at the Gladys Porter Zoo in Brownsville, Texas. This is a xanthic specimen, lacking normal pigmentation.

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San Lucan speckled rattlesnake (Crotalus mitchellii mitchellii) at the Omaha Zoo.

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San Lucan speckled rattlesnake (Crotalus mitchellii mitchellii) at the Omaha Zoo.

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San Lucan speckled rattlesnake (Crotalus mitchellii mitchellii) at the Omaha Zoo.

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San Lucan speckled rattlesnake (Crotalus mitchellii mitchellii) at the Omaha Zoo.

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Armstrong’s Dusky Rattlesnake (Crotalus armstrongi) at the Houston Zoo.

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An Arizona black rattlesnake (Crotalus cerberus) at the Omaha Zoo.

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A southern ridge-nosed rattlesnake (Crotalus willardi meridionalis) at the Omaha Zoo.

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A federally threatened New Mexico ridge-nosed rattlesnake, Crotalus willardi obscurus, at the Arizona Sonora Desert Museum.

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A federally threatened New Mexico ridge-nosed rattlesnake, Crotalus willardi obscurus, at the Arizona Sonora Desert Museum.

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A federally threatened New Mexico ridge-nosed rattlesnake, Crotalus willardi obscurus, at the Arizona Sonora Desert Museum.

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A federally threatened New Mexico ridge-nosed rattlesnake, Crotalus willardi obscurus, at the Arizona Sonora Desert Museum.

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A federally threatened New Mexico ridge-nosed rattlesnake, Crotalus willardi obscurus, at the Arizona Sonora Desert Museum.

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The snake pit at the 45th annual Mangum Rattlesnake Derby in Mangum, Oklahoma. This rattlesnake festival takes in between 1,500 and 2,000 pounds of western diamondback rattlesnakes (Crotalus atrox) each year. Some 30,000 people come here on the last weekend of April to see such things as a photo booth in which people can pose with a live rattler that’s been defanged and had its mouth stitched shut, a safari bus tour in which folks can pick up a live rattlesnake, a cafe serving rattlesnake meat, and a butcher shop.

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The snake pit at the 45th annual Mangum Rattlesnake Derby in Mangum, Oklahoma. This rattlesnake festival takes in between 1,500 and 2,000 pounds of western diamondback rattlesnakes (Crotalus atrox) each year. Some 30,000 people come here on the last weekend of April to see such things as a photo booth in which people can pose with a live rattler that’s been defanged and had its mouth stitched shut, a safari bus tour in which folks can pick up a live rattlesnake, a cafe serving rattlesnake meat, and a butcher shop.

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The snake pit at the 45th annual Mangum Rattlesnake Derby in Mangum, Oklahoma. This rattlesnake festival takes in between 1,500 and 2,000 pounds of western diamondback rattlesnakes (Crotalus atrox) each year. Some 30,000 people come here on the last weekend of April to see such things as a photo booth in which people can pose with a live rattler that’s been defanged and had its mouth stitched shut, a safari bus tour in which folks can pick up a live rattlesnake, a cafe serving rattlesnake meat, and a butcher shop.

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Snake wranglers from the 45th annual Mangum Rattlesnake Derby in Mangum, Oklahoma. This rattlesnake festival takes in between 1,500 and 2,000 pounds of western diamondback rattlesnakes (Crotalus atrox) each year.

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A western diamondback rattlesnake (Crotalus atrox) in the foothills of the Wichita Mountains in Oklahoma. Studies are showing that rattlesnakes that have the genetic tendency to migrate are being killed in ever-increasing numbers on our nation’s roads, leaving those snakes with non-migrating tendencies behind to breed.

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The snake pit at the 45th annual Mangum Rattlesnake Derby in Mangum, Oklahoma. This rattlesnake festival takes in between 1,500 and 2,000 pounds of western diamondback rattlesnakes (Crotalus atrox) each year. Some 30,000 people come here on the last weekend of April to see such things as a photo booth in which people can pose with a live rattler that’s been defanged and had its mouth stitched shut, a safari bus tour in which folks can pick up a live rattlesnake, a cafe serving rattlesnake meat, and a butcher shop.

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A western diamondback rattlesnake (Crotalus atrox) in the foothills of the Wichita Mountains in Oklahoma. Studies are showing that rattlesnakes that have the genetic tendency to migrate are being killed in ever-increasing numbers on our nation’s roads, leaving those snakes with non-migrating tendencies behind to breed.

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A western diamondback rattlesnake (Crotalus atrox) in the foothills of the Wichita Mountains in Oklahoma. Studies are showing that rattlesnakes that have the genetic tendency to migrate are being killed in ever-increasing numbers on our nation’s roads, leaving those snakes with non-migrating tendencies behind to breed.

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A western diamondback rattlesnake (Crotalus atrox) in the foothills of the Wichita Mountains in Oklahoma. Studies are showing that rattlesnakes that have the genetic tendency to migrate are being killed in ever-increasing numbers on our nation’s roads, leaving those snakes with non-migrating tendencies behind to breed.

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A western diamondback rattlesnake (Crotalus atrox) in the foothills of the Wichita Mountains in Oklahoma. Studies are showing that rattlesnakes that have the genetic tendency to migrate are being killed in ever-increasing numbers on our nation’s roads, leaving those snakes with non-migrating tendencies behind to breed.

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A western diamondback rattlesnake (Crotalus atrox) in the foothills of the Wichita Mountains in Oklahoma. Studies are showing that rattlesnakes that have the genetic tendency to migrate are being killed in ever-increasing numbers on our nation’s roads, leaving those snakes with non-migrating tendencies behind to breed.

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A western diamondback rattlesnake (Crotalus atrox) in the foothills of the Wichita Mountains in Oklahoma. Studies are showing that rattlesnakes that have the genetic tendency to migrate are being killed in ever-increasing numbers on our nation’s roads, leaving those snakes with non-migrating tendencies behind to breed.

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A western diamondback rattlesnake (Crotalus atrox) in the foothills of the Wichita Mountains in Oklahoma. Studies are showing that rattlesnakes that have the genetic tendency to migrate are being killed in ever-increasing numbers on our nation’s roads, leaving those snakes with non-migrating tendencies behind to breed.

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A western diamondback rattlesnake (Crotalus atrox) in the foothills of the Wichita Mountains in Oklahoma. Studies are showing that rattlesnakes that have the genetic tendency to migrate are being killed in ever-increasing numbers on our nation’s roads, leaving those snakes with non-migrating tendencies behind to breed.

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A Queretaran dusky rattlesnake (Crotalus aquilus) at the Chapultepec Zoo, Mexico City, Mexico.

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A Queretaran dusky rattlesnake (Crotalus aquilus) at the Chapultepec Zoo, Mexico City, Mexico.

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A Queretaran dusky rattlesnake (Crotalus aquilus) at the Chapultepec Zoo, Mexico City, Mexico.

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A Queretaran dusky rattlesnake (Crotalus aquilus) at the Chapultepec Zoo, Mexico City, Mexico.

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A Queretaran dusky rattlesnake (Crotalus aquilus) at the Chapultepec Zoo, Mexico City, Mexico.

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An eastern twin-spotted rattlesnake (Crotalus pricei miquihuanus) at the San Antonio Zoo, San Antonio, Texas.

Photo: Julie Jensen Director of Marketing | WVC O: 866.800.7326 | D: 702.443.9249 | E: j.jensen@wvc.org

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