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Arizona Black Rattlesnake

Crotalus cerberus


  • The southwestern United States


  • Desert


  • Rats
  • Squirrels
  • Mice
  • Lizards
  • Birds

Non-reflective scales scatter light and help the snake hide, thanks in part to the central ridge on each scale called a “keel”.

Like all pit vipers, this snake can detect body heat with the pits beneath its eyes. Small mammals succumb to a swift strike from venom-injecting fangs. Depending on factors like the frequency of its meals, the snake can shed its skin multiple times in one year. Each shed produces a new rattle.

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