Iguana Facts



  • Iguanas are large lizards that live in tropical regions around the Pacific and in the Americas.
  • Larger iguanas are the only vegetarian lizards. Unlike other lizards, most eat fruit, flowers and leaves, rather than insects.
  • The common iguana lives high up in trees, but comes down to lay its eggs in a hole in the ground.
  • Before each dive into water, marine iguanas warm themselves in the sun to gain energy.
  • Common iguanas will jump 6 m or more out of the trees to the ground if they are disturbed.
  • The rhinoceros iguana of the West Indies gets its name from the pointed scales on its snout.
  • The marine iguana of the Galapagos Islands is the only lizard that spends much of its life in the sea.
  • Marine iguanas keep their eggs warm ready for hatching in the mouth of volcanoes, risking death to put them there.
  • When in the water, a marine iguana may dive for 15 minutes or more, pushing itself along with its tail.
  • Although marine iguanas cannot breathe underwater, their heart rate slows so that they use less oxygen.
  • The chuckwalla inflates its body with air and wedges itself in a rock crack if it is in danger.