Kingdom : Animalia
                    Class : Reptilia
                 Family : Viperidae
                  Genus : Crotalus Linnaeus
                                  Sistrusus Garman

                      Size : 2 m - 2.4m (6ft - 8ft)
                 Weight : Up to 10 lb (4.5 kg)
           Top Speed : 3.2km/h-4.8km/h
                                    (2mph-3 mph)
                 Colour : Pink, Green,
                                     Rust, Black

            Life Span : 20 - 30 years
           Skin Type : Scales
Special Features : Rattle ion the end of the 
                                tail and a set of heat-
                                 sensing Pits to locate 
                                  their Prey
  1. Rattlesnakes are poisonous snakes found all around the world except the frigid polar regions.
  2. They belong to the pit-viper group.
  3. The distinctive rattle ion the end of their tail helps them in being recognized as rattlesnakes.
  4. Most of them have hemo toxic venom that attacks and destroys tissues.
  5. The Mojave rattlesnake is the most dangerous species of rattlesnake because of the presence of neuro toxin in its venom.
  6. Rattlesnakes vary in color and tend to blend well with their background.
  7. Interestingly, they are able to use as much venom as they wish.
  8. The venom is only used defensively when they feel threatened.
  9. Some species of rattlesnake are more reactive to threat than the others, with most running away rather than encountering humans.
  10. Their heat sensing pits on their faces are used for “seeing” heat images.
  11. Their wounded preys are tracked by following the heat signatures if the preys.
  12. They use their venom to subdue small mammals like rabbits and mice.
  13. Even before the rattlesnake swallows its prey, the injected venom starts digesting the prey from inside.
  14. A third of the human bites are devoid of any venom.
  15. The bites have to be treated by putting a constriction band just above the bite on the limb followed by a antivenom treatment at hospital.
  16. Rattlesnakes have their predators in king snakes, roadrunners, pigs, eagles and hawks.

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