Original: The Common collared lizard , Oklahoma collared lizard or collared lizard , Crotaphytus collaris , is a North American lizard that can reach a foot ( 30 cm ) long in length ( including the tail ) , with a large head and powerful jaws .
Simplified: The Oklahoma Collared Lizard or Collared Lizard , Crotaphytus collaris , is a North American lizard that can reach a foot ( 30 cm ) long in length ( including the tail ) , with a large head and powerful jaws .