Smartest Reptile Species in the World . The proof is in my videos like these " Iguana Proves America Got Talent"    • Iguana Proves America Has Talent   or "Iguana Breaks World Record on Obstacle Course (    • Iguana Breaks World Record on Obstacl...   ) or Iguana Greets Man like a Dog 4    • Lizard  Greets Man Like a Dog 4, Budd...